diff options
Diffstat (limited to 'drivers')
333 files changed, 4283 insertions, 3685 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index f688c214be0c..b4f5e8542829 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -283,34 +283,22 @@ config ACPI_TOSHIBA If you have a legacy free Toshiba laptop (such as the Libretto L1 series), say Y. -config ACPI_CUSTOM_DSDT - bool "Include Custom DSDT" +config ACPI_CUSTOM_DSDT_FILE + string "Custom DSDT Table file to include" + default "" depends on !STANDALONE - default n help This option supports a custom DSDT by linking it into the kernel. See Documentation/acpi/dsdt-override.txt - If unsure, say N. - -config ACPI_CUSTOM_DSDT_FILE - string "Custom DSDT Table file to include" - depends on ACPI_CUSTOM_DSDT - default "" - help Enter the full path name to the file which includes the AmlCode declaration. -config ACPI_CUSTOM_DSDT_INITRD - bool "Read Custom DSDT from initramfs" - depends on BLK_DEV_INITRD - default n - help - This option supports a custom DSDT by optionally loading it from initrd. - See Documentation/acpi/dsdt-override.txt + If unsure, don't enter a file name. - If you are not using this feature now, but may use it later, - it is safe to say Y here. +config ACPI_CUSTOM_DSDT + bool + default ACPI_CUSTOM_DSDT_FILE != "" config ACPI_BLACKLIST_YEAR int "Disable ACPI for systems before Jan 1st this year" if X86_32 diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c index d25ef961415c..44ad90c03c2e 100644 --- a/drivers/acpi/asus_acpi.c +++ b/drivers/acpi/asus_acpi.c @@ -610,7 +610,7 @@ write_led(const char __user * buffer, unsigned long count, (led_out) ? (hotk->status | ledmask) : (hotk->status & ~ledmask); if (invert) /* invert target value */ - led_out = !led_out & 0x1; + led_out = !led_out; if (!write_acpi_int(hotk->handle, ledname, led_out, NULL)) printk(KERN_WARNING "Asus ACPI: LED (%s) write failed\n", diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index f6215e809808..d5729d5dc190 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -293,13 +293,12 @@ static int extract_package(struct acpi_battery *battery, strncpy(ptr, (u8 *)&element->integer.value, sizeof(acpi_integer)); ptr[sizeof(acpi_integer)] = 0; - } else return -EFAULT; + } else + *ptr = 0; /* don't have value */ } else { - if (element->type == ACPI_TYPE_INTEGER) { - int *x = (int *)((u8 *)battery + - offsets[i].offset); - *x = element->integer.value; - } else return -EFAULT; + int *x = (int *)((u8 *)battery + offsets[i].offset); + *x = (element->type == ACPI_TYPE_INTEGER) ? + element->integer.value : -1; } } return 0; diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index ce3c0a2cbac4..5b6760e0f957 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -776,7 +776,7 @@ static int __init acpi_init(void) acpi_kobj = kobject_create_and_add("acpi", firmware_kobj); if (!acpi_kobj) { - printk(KERN_WARNING "%s: kset create error\n", __FUNCTION__); + printk(KERN_WARNING "%s: kset create error\n", __func__); acpi_kobj = NULL; } diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 24a7865a57cb..6c5da83cdb68 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -449,6 +449,7 @@ static int acpi_button_add(struct acpi_device *device) input->phys = button->phys; input->id.bustype = BUS_HOST; input->id.product = button->type; + input->dev.parent = &device->dev; switch (button->type) { case ACPI_BUTTON_TYPE_POWER: diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 307cef65c247..fa44fb96fc34 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -710,6 +710,7 @@ static ssize_t write_undock(struct device *dev, struct device_attribute *attr, if (!count) return -EINVAL; + begin_undock(dock_station); ret = handle_eject_request(dock_station, ACPI_NOTIFY_EJECT_REQUEST); return ret ? ret: count; } diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index caf873c14bfb..7222a18a0319 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -943,11 +943,7 @@ int __init acpi_ec_ecdt_probe(void) boot_ec->command_addr = ecdt_ptr->control.address; boot_ec->data_addr = ecdt_ptr->data.address; boot_ec->gpe = ecdt_ptr->gpe; - if (ACPI_FAILURE(acpi_get_handle(NULL, ecdt_ptr->id, - &boot_ec->handle))) { - pr_info("Failed to locate handle for boot EC\n"); - boot_ec->handle = ACPI_ROOT_OBJECT; - } + boot_ec->handle = ACPI_ROOT_OBJECT; } else { /* This workaround is needed only on some broken machines, * which require early EC, but fail to provide ECDT */ diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 8edba7b678eb..a697fb6cf050 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -91,10 +91,6 @@ static DEFINE_SPINLOCK(acpi_res_lock); #define OSI_STRING_LENGTH_MAX 64 /* arbitrary */ static char osi_additional_string[OSI_STRING_LENGTH_MAX]; -#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD -static int acpi_no_initrd_override; -#endif - /* * "Ode to _OSI(Linux)" * @@ -324,67 +320,6 @@ acpi_os_predefined_override(const struct acpi_predefined_names *init_val, return AE_OK; } -#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD -static struct acpi_table_header *acpi_find_dsdt_initrd(void) -{ - struct file *firmware_file; - mm_segment_t oldfs; - unsigned long len, len2; - struct acpi_table_header *dsdt_buffer, *ret = NULL; - struct kstat stat; - char *ramfs_dsdt_name = "/DSDT.aml"; - - printk(KERN_INFO PREFIX "Checking initramfs for custom DSDT\n"); - - /* - * Never do this at home, only the user-space is allowed to open a file. - * The clean way would be to use the firmware loader. - * But this code must be run before there is any userspace available. - * A static/init firmware infrastructure doesn't exist yet... - */ - if (vfs_stat(ramfs_dsdt_name, &stat) < 0) - return ret; - - len = stat.size; - /* check especially against empty files */ - if (len <= 4) { - printk(KERN_ERR PREFIX "Failed: DSDT only %lu bytes.\n", len); - return ret; - } - - firmware_file = filp_open(ramfs_dsdt_name, O_RDONLY, 0); - if (IS_ERR(firmware_file)) { - printk(KERN_ERR PREFIX "Failed to open %s.\n", ramfs_dsdt_name); - return ret; - } - - dsdt_buffer = kmalloc(len, GFP_ATOMIC); - if (!dsdt_buffer) { - printk(KERN_ERR PREFIX "Failed to allocate %lu bytes.\n", len); - goto err; - } - - oldfs = get_fs(); - set_fs(KERNEL_DS); - len2 = vfs_read(firmware_file, (char __user *)dsdt_buffer, len, - &firmware_file->f_pos); - set_fs(oldfs); - if (len2 < len) { - printk(KERN_ERR PREFIX "Failed to read %lu bytes from %s.\n", - len, ramfs_dsdt_name); - ACPI_FREE(dsdt_buffer); - goto err; - } - - printk(KERN_INFO PREFIX "Found %lu byte DSDT in %s.\n", - len, ramfs_dsdt_name); - ret = dsdt_buffer; -err: - filp_close(firmware_file, NULL); - return ret; -} -#endif - acpi_status acpi_os_table_override(struct acpi_table_header * existing_table, struct acpi_table_header ** new_table) @@ -398,16 +333,6 @@ acpi_os_table_override(struct acpi_table_header * existing_table, if (strncmp(existing_table->signature, "DSDT", 4) == 0) *new_table = (struct acpi_table_header *)AmlCode; #endif -#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD - if ((strncmp(existing_table->signature, "DSDT", 4) == 0) && - !acpi_no_initrd_override) { - struct acpi_table_header *initrd_table; - - initrd_table = acpi_find_dsdt_initrd(); - if (initrd_table) - *new_table = initrd_table; - } -#endif if (*new_table != NULL) { printk(KERN_WARNING PREFIX "Override [%4.4s-%8.8s], " "this is unsafe: tainting kernel\n", @@ -418,15 +343,6 @@ acpi_os_table_override(struct acpi_table_header * existing_table, return AE_OK; } -#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD -static int __init acpi_no_initrd_override_setup(char *s) -{ - acpi_no_initrd_override = 1; - return 1; -} -__setup("acpi_no_initrd_override", acpi_no_initrd_override_setup); -#endif - static irqreturn_t acpi_irq(int irq, void *dev_id) { u32 handled; @@ -1237,7 +1153,7 @@ int acpi_check_resource_conflict(struct resource *res) if (clash) { if (acpi_enforce_resources != ENFORCE_RESOURCES_NO) { - printk(KERN_INFO "%sACPI: %s resource %s [0x%llx-0x%llx]" + printk("%sACPI: %s resource %s [0x%llx-0x%llx]" " conflicts with ACPI region %s" " [0x%llx-0x%llx]\n", acpi_enforce_resources == ENFORCE_RESOURCES_LAX diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 7f19859580c7..89022a74faee 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -25,6 +25,7 @@ */ +#include <linux/dmi.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -76,6 +77,101 @@ static struct acpi_prt_entry *acpi_pci_irq_find_prt_entry(int segment, return NULL; } +/* http://bugzilla.kernel.org/show_bug.cgi?id=4773 */ +static struct dmi_system_id medion_md9580[] = { + { + .ident = "Medion MD9580-F laptop", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"), + DMI_MATCH(DMI_PRODUCT_NAME, "A555"), + }, + }, + { } +}; + +/* http://bugzilla.kernel.org/show_bug.cgi?id=5044 */ +static struct dmi_system_id dell_optiplex[] = { + { + .ident = "Dell Optiplex GX1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX1 600S+"), + }, + }, + { } +}; + +/* http://bugzilla.kernel.org/show_bug.cgi?id=10138 */ +static struct dmi_system_id hp_t5710[] = { + { + .ident = "HP t5710", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "hp t5000 series"), + DMI_MATCH(DMI_BOARD_NAME, "098Ch"), + }, + }, + { } +}; + +struct prt_quirk { + struct dmi_system_id *system; + unsigned int segment; + unsigned int bus; + unsigned int device; + unsigned char pin; + char *source; /* according to BIOS */ + char *actual_source; +}; + +/* + * These systems have incorrect _PRT entries. The BIOS claims the PCI + * interrupt at the listed segment/bus/device/pin is connected to the first + * link device, but it is actually connected to the second. + */ +static struct prt_quirk prt_quirks[] = { + { medion_md9580, 0, 0, 9, 'A', + "\\_SB_.PCI0.ISA_.LNKA", + "\\_SB_.PCI0.ISA_.LNKB"}, + { dell_optiplex, 0, 0, 0xd, 'A', + "\\_SB_.LNKB", + "\\_SB_.LNKA"}, + { hp_t5710, 0, 0, 1, 'A', + "\\_SB_.PCI0.LNK1", + "\\_SB_.PCI0.LNK3"}, +}; + +static void +do_prt_fixups(struct acpi_prt_entry *entry, struct acpi_pci_routing_table *prt) +{ + int i; + struct prt_quirk *quirk; + + for (i = 0; i < ARRAY_SIZE(prt_quirks); i++) { + quirk = &prt_quirks[i]; + + /* All current quirks involve link devices, not GSIs */ + if (!prt->source) + continue; + + if (dmi_check_system(quirk->system) && + entry->id.segment == quirk->segment && + entry->id.bus == quirk->bus && + entry->id.device == quirk->device && + entry->pin + 'A' == quirk->pin && + !strcmp(prt->source, quirk->source) && + strlen(prt->source) >= strlen(quirk->actual_source)) { + printk(KERN_WARNING PREFIX "firmware reports " + "%04x:%02x:%02x[%c] connected to %s; " + "changing to %s\n", + entry->id.segment, entry->id.bus, + entry->id.device, 'A' + entry->pin, + prt->source, quirk->actual_source); + strcpy(prt->source, quirk->actual_source); + } + } +} + static int acpi_pci_irq_add_entry(acpi_handle handle, int segment, int bus, struct acpi_pci_routing_table *prt) @@ -96,6 +192,8 @@ acpi_pci_irq_add_entry(acpi_handle handle, entry->id.function = prt->address & 0xFFFF; entry->pin = prt->pin; + do_prt_fixups(entry, prt); + /* * Type 1: Dynamic * --------------- diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index f14ff1ffab29..c3fed31166b5 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -184,7 +184,7 @@ static void acpi_pci_bridge_scan(struct acpi_device *device) } } -static int acpi_pci_root_add(struct acpi_device *device) +static int __devinit acpi_pci_root_add(struct acpi_device *device) { int result = 0; struct acpi_pci_root *root = NULL; diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index a3cc8a98255c..36a68fa114e3 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -840,17 +840,19 @@ static int is_processor_present(acpi_handle handle) status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); - /* - * if a processor object does not have an _STA object, - * OSPM assumes that the processor is present. - */ - if (status == AE_NOT_FOUND) - return 1; if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_PRESENT)) return 1; - ACPI_EXCEPTION((AE_INFO, status, "Processor Device is not present")); + /* + * _STA is mandatory for a processor that supports hot plug + */ + if (status == AE_NOT_FOUND) + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Processor does not support hot plug\n")); + else + ACPI_EXCEPTION((AE_INFO, status, + "Processor Device is not present")); return 0; } @@ -886,8 +888,8 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device) return 0; } -static void -acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) +static void __ref acpi_processor_hotplug_notify(acpi_handle handle, + u32 event, void *data) { struct acpi_processor *pr; struct acpi_device *device = NULL; @@ -897,9 +899,10 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) switch (event) { case ACPI_NOTIFY_BUS_CHECK: case ACPI_NOTIFY_DEVICE_CHECK: - printk("Processor driver received %s event\n", + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Processor driver received %s event\n", (event == ACPI_NOTIFY_BUS_CHECK) ? - "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK"); + "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK")); if (!is_processor_present(handle)) break; diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 6f3b217699e9..788da9781f80 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -216,8 +216,10 @@ static void acpi_safe_halt(void) * test NEED_RESCHED: */ smp_mb(); - if (!need_resched()) + if (!need_resched()) { safe_halt(); + local_irq_disable(); + } current_thread_info()->status |= TS_POLLING; } @@ -421,7 +423,9 @@ static void acpi_processor_idle(void) else acpi_safe_halt(); - local_irq_enable(); + if (irqs_disabled()) + local_irq_enable(); + return; } @@ -530,7 +534,9 @@ static void acpi_processor_idle(void) * skew otherwise. */ sleep_ticks = 0xFFFFFFFF; - local_irq_enable(); + if (irqs_disabled()) + local_irq_enable(); + break; case ACPI_STATE_C2: @@ -1481,7 +1487,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, return 0; } - acpi_unlazy_tlb(smp_processor_id()); /* * Must be done before busmaster disable as we might need to * access HPET ! @@ -1571,6 +1576,8 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, return 0; } + acpi_unlazy_tlb(smp_processor_id()); + /* Tell the scheduler that we are going deep-idle: */ sched_clock_idle_sleep_event(); /* @@ -1686,7 +1693,9 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr) switch (cx->type) { case ACPI_STATE_C1: state->flags |= CPUIDLE_FLAG_SHALLOW; - state->flags |= CPUIDLE_FLAG_TIME_VALID; + if (cx->entry_method == ACPI_CSTATE_FFH) + state->flags |= CPUIDLE_FLAG_TIME_VALID; + state->enter = acpi_idle_enter_c1; dev->safe_state = state; break; diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c index a2cf3008ce6c..bcf2c70fca87 100644 --- a/drivers/acpi/sbshc.c +++ b/drivers/acpi/sbshc.c @@ -130,7 +130,6 @@ static int acpi_smbus_transaction(struct acpi_smb_hc *hc, u8 protocol, goto end; } smb_hc_write(hc, ACPI_SMB_COMMAND, command); - smb_hc_write(hc, ACPI_SMB_COMMAND, command); if (!(protocol & 0x01)) { smb_hc_write(hc, ACPI_SMB_BLOCK_COUNT, length); for (i = 0; i < length; ++i) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 3fac011f9cf9..e6ce262b5d44 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -39,20 +39,26 @@ static int create_modalias(struct acpi_device *acpi_dev, char *modalias, int size) { int len; + int count; - if (!acpi_dev->flags.hardware_id) + if (!acpi_dev->flags.hardware_id && !acpi_dev->flags.compatible_ids) return -ENODEV; - len = snprintf(modalias, size, "acpi:%s:", - acpi_dev->pnp.hardware_id); - if (len < 0 || len >= size) - return -EINVAL; + len = snprintf(modalias, size, "acpi:"); size -= len; + if (acpi_dev->flags.hardware_id) { + count = snprintf(&modalias[len], size, "%s:", + acpi_dev->pnp.hardware_id); + if (count < 0 || count >= size) + return -EINVAL; + len += count; + size -= count; + } + if (acpi_dev->flags.compatible_ids) { struct acpi_compatible_id_list *cid_list; int i; - int count; cid_list = acpi_dev->pnp.cid_list; for (i = 0; i < cid_list->count; i++) { @@ -609,7 +615,8 @@ acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd) status = acpi_evaluate_object(handle, "_EJD", NULL, &buffer); if (ACPI_SUCCESS(status)) { obj = buffer.pointer; - status = acpi_get_handle(NULL, obj->string.pointer, ejd); + status = acpi_get_handle(ACPI_ROOT_OBJECT, obj->string.pointer, + ejd); kfree(buffer.pointer); } return status; @@ -966,7 +973,7 @@ static void acpi_device_set_id(struct acpi_device *device, case ACPI_BUS_TYPE_DEVICE: status = acpi_get_object_info(handle, &buffer); if (ACPI_FAILURE(status)) { - printk(KERN_ERR PREFIX "%s: Error reading device info\n", __FUNCTION__); + printk(KERN_ERR PREFIX "%s: Error reading device info\n", __func__); return; } diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c index 293a1cbb47c0..d2f71a54726c 100644 --- a/drivers/acpi/sleep/main.c +++ b/drivers/acpi/sleep/main.c @@ -504,7 +504,7 @@ static void acpi_power_off_prepare(void) static void acpi_power_off(void) { /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ - printk("%s called\n", __FUNCTION__); + printk("%s called\n", __func__); local_irq_disable(); acpi_enable_wakeup_device(ACPI_STATE_S5); acpi_enter_sleep_state(ACPI_STATE_S5); diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index 55cf4c05bb74..4749f379a915 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -319,7 +319,7 @@ void acpi_irq_stats_init(void) goto fail; for (i = 0; i < num_counters; ++i) { - char buffer[10]; + char buffer[12]; char *name; if (i < num_gpes) diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 8d4b79b4f933..c4e00ac8ea85 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -879,6 +879,8 @@ static void acpi_thermal_check(void *data) } /* sys I/F for generic thermal sysfs support */ +#define KELVIN_TO_MILLICELSIUS(t) (t * 100 - 273200) + static int thermal_get_temp(struct thermal_zone_device *thermal, char *buf) { struct acpi_thermal *tz = thermal->devdata; @@ -886,7 +888,7 @@ static int thermal_get_temp(struct thermal_zone_device *thermal, char *buf) if (!tz) return -EINVAL; - return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS(tz->temperature)); + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(tz->temperature)); } static const char enabled[] = "kernel"; @@ -980,21 +982,21 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, if (tz->trips.critical.flags.valid) { if (!trip) - return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS( + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS( tz->trips.critical.temperature)); trip--; } if (tz->trips.hot.flags.valid) { if (!trip) - return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS( + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS( tz->trips.hot.temperature)); trip--; } if (tz->trips.passive.flags.valid) { if (!trip) - return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS( + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS( tz->trips.passive.temperature)); trip--; } @@ -1002,7 +1004,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].flags.valid; i++) { if (!trip) - return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS( + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS( tz->trips.active[i].temperature)); trip--; } diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c index 9e8c20c6a0b7..0a43c8e0eff3 100644 --- a/drivers/acpi/toshiba_acpi.c +++ b/drivers/acpi/toshiba_acpi.c @@ -99,6 +99,13 @@ MODULE_LICENSE("GPL"); #define HCI_VIDEO_OUT_CRT 0x2 #define HCI_VIDEO_OUT_TV 0x4 +static const struct acpi_device_id toshiba_device_ids[] = { + {"TOS6200", 0}, + {"TOS1900", 0}, + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, toshiba_device_ids); + /* utility */ diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c index c7e128e5369b..7361204b1eef 100644 --- a/drivers/acpi/utilities/utdebug.c +++ b/drivers/acpi/utilities/utdebug.c @@ -109,7 +109,7 @@ void acpi_ut_track_stack_ptr(void) * RETURN: Updated pointer to the function name * * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present. - * This allows compiler macros such as __FUNCTION__ to be used + * This allows compiler macros such as __func__ to be used * with no change to the debug output. * ******************************************************************************/ diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c index 76ee766c84f9..e08b3fa6639f 100644 --- a/drivers/acpi/utilities/utobject.c +++ b/drivers/acpi/utilities/utobject.c @@ -432,7 +432,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object, * element -- which is legal) */ if (!internal_object) { - *obj_length = 0; + *obj_length = sizeof(union acpi_object); return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index eba55b7d6c95..44ea60cf21c0 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -407,6 +407,12 @@ acpi_evaluate_reference(acpi_handle handle, break; } + if (!element->reference.handle) { + printk(KERN_WARNING PREFIX "Invalid reference in" + " package %s\n", pathname); + status = AE_NULL_ENTRY; + break; + } /* Get the acpi_handle. */ list->handles[i] = element->reference.handle; diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 12cce69b5441..12fb44f16766 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -713,7 +713,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) kfree(obj); - if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){ + if (device->cap._BCL && device->cap._BCM && max_level > 0) { int result; static int count = 0; char *name; @@ -807,40 +807,11 @@ static void acpi_video_bus_find_cap(struct acpi_video_bus *video) static int acpi_video_bus_check(struct acpi_video_bus *video) { acpi_status status = -ENOENT; - long device_id; - struct device *dev; - struct acpi_device *device; + if (!video) return -EINVAL; - device = video->device; - - status = - acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id); - - if (!ACPI_SUCCESS(status)) - return -ENODEV; - - /* We need to attempt to determine whether the _ADR refers to a - PCI device or not. There's no terribly good way to do this, - so the best we can hope for is to assume that there'll never - be a video device in the host bridge */ - if (device_id >= 0x10000) { - /* It looks like a PCI device. Does it exist? */ - dev = acpi_get_physical_device(device->handle); - } else { - /* It doesn't look like a PCI device. Does its parent - exist? */ - acpi_handle phandle; - if (acpi_get_parent(device->handle, &phandle)) - return -ENODEV; - dev = acpi_get_physical_device(phandle); - } - if (!dev) - return -ENODEV; - put_device(dev); - /* Since there is no HID, CID and so on for VGA driver, we have * to check well known required nodes. */ @@ -1201,7 +1172,7 @@ static int acpi_video_bus_ROM_seq_show(struct seq_file *seq, void *offset) if (!video) goto end; - printk(KERN_INFO PREFIX "Please implement %s\n", __FUNCTION__); + printk(KERN_INFO PREFIX "Please implement %s\n", __func__); seq_printf(seq, "<TODO>\n"); end: @@ -1366,37 +1337,8 @@ acpi_video_bus_write_DOS(struct file *file, static int acpi_video_bus_add_fs(struct acpi_device *device) { - long device_id; - int status; struct proc_dir_entry *entry = NULL; struct acpi_video_bus *video; - struct device *dev; - - status = - acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id); - - if (!ACPI_SUCCESS(status)) - return -ENODEV; - - /* We need to attempt to determine whether the _ADR refers to a - PCI device or not. There's no terribly good way to do this, - so the best we can hope for is to assume that there'll never - be a video device in the host bridge */ - if (device_id >= 0x10000) { - /* It looks like a PCI device. Does it exist? */ - dev = acpi_get_physical_device(device->handle); - } else { - /* It doesn't look like a PCI device. Does its parent - exist? */ - acpi_handle phandle; - if (acpi_get_parent(device->handle, &phandle)) - return -ENODEV; - dev = acpi_get_physical_device(phandle); - } - if (!dev) - return -ENODEV; - put_device(dev); - video = acpi_driver_data(device); diff --git a/drivers/acpi/wmi.c b/drivers/acpi/wmi.c index efacc9f8bfe3..c33b1c6e93b1 100644 --- a/drivers/acpi/wmi.c +++ b/drivers/acpi/wmi.c @@ -293,7 +293,7 @@ struct acpi_buffer *out) { struct guid_block *block = NULL; struct wmi_block *wblock = NULL; - acpi_handle handle; + acpi_handle handle, wc_handle; acpi_status status, wc_status = AE_ERROR; struct acpi_object_list input, wc_input; union acpi_object wc_params[1], wq_params[1]; @@ -338,8 +338,10 @@ struct acpi_buffer *out) * expensive, but have no corresponding WCxx method. So we * should not fail if this happens. */ - wc_status = acpi_evaluate_object(handle, wc_method, - &wc_input, NULL); + wc_status = acpi_get_handle(handle, wc_method, &wc_handle); + if (ACPI_SUCCESS(wc_status)) + wc_status = acpi_evaluate_object(handle, wc_method, + &wc_input, NULL); } strcpy(method, "WQ"); @@ -351,7 +353,7 @@ struct acpi_buffer *out) * If ACPI_WMI_EXPENSIVE, call the relevant WCxx method, even if * the WQxx method failed - we should disable collection anyway. */ - if ((block->flags & ACPI_WMI_EXPENSIVE) && wc_status) { + if ((block->flags & ACPI_WMI_EXPENSIVE) && ACPI_SUCCESS(wc_status)) { wc_params[0].integer.value = 0; status = acpi_evaluate_object(handle, wc_method, &wc_input, NULL); diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index e469647330de..25aba69b59b4 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -30,6 +30,7 @@ config ATA_NONSTANDARD config ATA_ACPI bool depends on ACPI && PCI + select ACPI_DOCK default y help This option adds support for ATA-related ACPI objects. diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 6978469eb16d..b1eb4e24c86a 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -49,6 +49,10 @@ #define DRV_NAME "ahci" #define DRV_VERSION "3.0" +static int ahci_skip_host_reset; +module_param_named(skip_host_reset, ahci_skip_host_reset, int, 0444); +MODULE_PARM_DESC(skip_host_reset, "skip global host reset (0=don't skip, 1=skip)"); + static int ahci_enable_alpm(struct ata_port *ap, enum link_pm policy); static void ahci_disable_alpm(struct ata_port *ap); @@ -429,6 +433,7 @@ static const struct ata_port_info ahci_port_info[] = { /* board_ahci_sb600 */ { AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL | + AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_SECT255 | AHCI_HFLAG_NO_PMP), .flags = AHCI_FLAG_COMMON, .link_flags = AHCI_LFLAG_COMMON, @@ -587,6 +592,7 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* Marvell */ { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */ + { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */ /* Generic, PCI class code for AHCI */ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, @@ -661,6 +667,7 @@ static void ahci_save_initial_config(struct pci_dev *pdev, void __iomem *mmio = pcim_iomap_table(pdev)[AHCI_PCI_BAR]; u32 cap, port_map; int i; + int mv; /* make sure AHCI mode is enabled before accessing CAP */ ahci_enable_ahci(mmio); @@ -696,12 +703,16 @@ static void ahci_save_initial_config(struct pci_dev *pdev, * presence register, as bit 4 (counting from 0) */ if (hpriv->flags & AHCI_HFLAG_MV_PATA) { + if (pdev->device == 0x6121) + mv = 0x3; + else + mv = 0xf; dev_printk(KERN_ERR, &pdev->dev, "MV_AHCI HACK: port_map %x -> %x\n", - hpriv->port_map, - hpriv->port_map & 0xf); + port_map, + port_map & mv); - port_map &= 0xf; + port_map &= mv; } /* cross check port_map and cap.n_ports */ @@ -1088,29 +1099,35 @@ static int ahci_reset_controller(struct ata_host *host) ahci_enable_ahci(mmio); /* global controller reset */ - tmp = readl(mmio + HOST_CTL); - if ((tmp & HOST_RESET) == 0) { - writel(tmp | HOST_RESET, mmio + HOST_CTL); - readl(mmio + HOST_CTL); /* flush */ - } + if (!ahci_skip_host_reset) { + tmp = readl(mmio + HOST_CTL); + if ((tmp & HOST_RESET) == 0) { + writel(tmp | HOST_RESET, mmio + HOST_CTL); + readl(mmio + HOST_CTL); /* flush */ + } - /* reset must complete within 1 second, or - * the hardware should be considered fried. - */ - ssleep(1); + /* reset must complete within 1 second, or + * the hardware should be considered fried. + */ + ssleep(1); - tmp = readl(mmio + HOST_CTL); - if (tmp & HOST_RESET) { - dev_printk(KERN_ERR, host->dev, - "controller reset failed (0x%x)\n", tmp); - return -EIO; - } + tmp = readl(mmio + HOST_CTL); + if (tmp & HOST_RESET) { + dev_printk(KERN_ERR, host->dev, + "controller reset failed (0x%x)\n", tmp); + return -EIO; + } - /* turn on AHCI mode */ - ahci_enable_ahci(mmio); + /* turn on AHCI mode */ + ahci_enable_ahci(mmio); - /* some registers might be cleared on reset. restore initial values */ - ahci_restore_initial_config(host); + /* Some registers might be cleared on reset. Restore + * initial values. + */ + ahci_restore_initial_config(host); + } else + dev_printk(KERN_INFO, host->dev, + "skipping global host reset\n"); if (pdev->vendor == PCI_VENDOR_ID_INTEL) { u16 tmp16; @@ -1162,9 +1179,14 @@ static void ahci_init_controller(struct ata_host *host) int i; void __iomem *port_mmio; u32 tmp; + int mv; if (hpriv->flags & AHCI_HFLAG_MV_PATA) { - port_mmio = __ahci_port_base(host, 4); + if (pdev->device == 0x6121) + mv = 2; + else + mv = 4; + port_mmio = __ahci_port_base(host, mv); writel(0, port_mmio + PORT_IRQ_MASK); @@ -1196,8 +1218,11 @@ static void ahci_dev_config(struct ata_device *dev) { struct ahci_host_priv *hpriv = dev->link->ap->host->private_data; - if (hpriv->flags & AHCI_HFLAG_SECT255) + if (hpriv->flags & AHCI_HFLAG_SECT255) { dev->max_sectors = 255; + ata_dev_printk(dev, KERN_INFO, + "SB600 AHCI: limiting to 255 sectors per cmd\n"); + } } static unsigned int ahci_dev_classify(struct ata_port *ap) @@ -2241,7 +2266,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) return rc; - rc = pcim_iomap_regions(pdev, 1 << AHCI_PCI_BAR, DRV_NAME); + /* AHCI controllers often implement SFF compatible interface. + * Grab all PCI BARs just in case. + */ + rc = pcim_iomap_regions_request_all(pdev, 1 << AHCI_PCI_BAR, DRV_NAME); if (rc == -EBUSY) pcim_pin_device(pdev); if (rc) diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 0770cb7391a4..bf98a566adac 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -118,45 +118,77 @@ static void ata_acpi_associate_ide_port(struct ata_port *ap) ap->pflags |= ATA_PFLAG_INIT_GTM_VALID; } -static void ata_acpi_handle_hotplug(struct ata_port *ap, struct kobject *kobj, +static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev, u32 event) { char event_string[12]; char *envp[] = { event_string, NULL }; - struct ata_eh_info *ehi = &ap->link.eh_info; - - if (event == 0 || event == 1) { - unsigned long flags; - spin_lock_irqsave(ap->lock, flags); - ata_ehi_clear_desc(ehi); - ata_ehi_push_desc(ehi, "ACPI event"); - ata_ehi_hotplugged(ehi); - ata_port_freeze(ap); - spin_unlock_irqrestore(ap->lock, flags); + struct ata_eh_info *ehi; + struct kobject *kobj = NULL; + int wait = 0; + unsigned long flags; + + if (!ap) + ap = dev->link->ap; + ehi = &ap->link.eh_info; + + spin_lock_irqsave(ap->lock, flags); + + switch (event) { + case ACPI_NOTIFY_BUS_CHECK: + case ACPI_NOTIFY_DEVICE_CHECK: + ata_ehi_push_desc(ehi, "ACPI event"); + ata_ehi_hotplugged(ehi); + ata_port_freeze(ap); + break; + + case ACPI_NOTIFY_EJECT_REQUEST: + ata_ehi_push_desc(ehi, "ACPI event"); + if (dev) + dev->flags |= ATA_DFLAG_DETACH; + else { + struct ata_link *tlink; + struct ata_device *tdev; + + ata_port_for_each_link(tlink, ap) + ata_link_for_each_dev(tdev, tlink) + tdev->flags |= ATA_DFLAG_DETACH; + } + + ata_port_schedule_eh(ap); + wait = 1; + break; } + if (dev) { + if (dev->sdev) + kobj = &dev->sdev->sdev_gendev.kobj; + } else + kobj = &ap->dev->kobj; + if (kobj) { sprintf(event_string, "BAY_EVENT=%d", event); kobject_uevent_env(kobj, KOBJ_CHANGE, envp); } + + spin_unlock_irqrestore(ap->lock, flags); + + if (wait) + ata_port_wait_eh(ap); } static void ata_acpi_dev_notify(acpi_handle handle, u32 event, void *data) { struct ata_device *dev = data; - struct kobject *kobj = NULL; - if (dev->sdev) - kobj = &dev->sdev->sdev_gendev.kobj; - - ata_acpi_handle_hotplug(dev->link->ap, kobj, event); + ata_acpi_handle_hotplug(NULL, dev, event); } static void ata_acpi_ap_notify(acpi_handle handle, u32 event, void *data) { struct ata_port *ap = data; - ata_acpi_handle_hotplug(ap, &ap->dev->kobj, event); + ata_acpi_handle_hotplug(ap, NULL, event); } /** @@ -191,20 +223,30 @@ void ata_acpi_associate(struct ata_host *host) else ata_acpi_associate_ide_port(ap); - if (ap->acpi_handle) - acpi_install_notify_handler (ap->acpi_handle, - ACPI_SYSTEM_NOTIFY, - ata_acpi_ap_notify, - ap); + if (ap->acpi_handle) { + acpi_install_notify_handler(ap->acpi_handle, + ACPI_SYSTEM_NOTIFY, + ata_acpi_ap_notify, ap); +#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE) + /* we might be on a docking station */ + register_hotplug_dock_device(ap->acpi_handle, + ata_acpi_ap_notify, ap); +#endif + } for (j = 0; j < ata_link_max_devices(&ap->link); j++) { struct ata_device *dev = &ap->link.device[j]; - if (dev->acpi_handle) - acpi_install_notify_handler (dev->acpi_handle, - ACPI_SYSTEM_NOTIFY, - ata_acpi_dev_notify, - dev); + if (dev->acpi_handle) { + acpi_install_notify_handler(dev->acpi_handle, + ACPI_SYSTEM_NOTIFY, + ata_acpi_dev_notify, dev); +#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE) + /* we might be on a docking station */ + register_hotplug_dock_device(dev->acpi_handle, + ata_acpi_dev_notify, dev); +#endif + } } } } diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4bbe31f98ef8..48519887f94a 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -972,7 +972,7 @@ static void ata_dev_disable_pm(struct ata_device *dev) void ata_lpm_schedule(struct ata_port *ap, enum link_pm policy) { ap->pm_policy = policy; - ap->link.eh_info.action |= ATA_EHI_LPM; + ap->link.eh_info.action |= ATA_EH_LPM; ap->link.eh_info.flags |= ATA_EHI_NO_AUTOPSY; ata_port_schedule_eh(ap); } @@ -1416,12 +1416,12 @@ static int ata_hpa_resize(struct ata_device *dev) /* read native max address */ rc = ata_read_native_max_address(dev, &native_sectors); if (rc) { - /* If HPA isn't going to be unlocked, skip HPA - * resizing from the next try. + /* If device aborted the command or HPA isn't going to + * be unlocked, skip HPA resizing. */ - if (!ata_ignore_hpa) { + if (rc == -EACCES || !ata_ignore_hpa) { ata_dev_printk(dev, KERN_WARNING, "HPA support seems " - "broken, will skip HPA handling\n"); + "broken, skipping HPA handling\n"); dev->horkage |= ATA_HORKAGE_BROKEN_HPA; /* we can continue if device aborted the command */ @@ -2092,24 +2092,34 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, id, sizeof(id[0]) * ATA_ID_WORDS, 0); if (err_mask) { if (err_mask & AC_ERR_NODEV_HINT) { - DPRINTK("ata%u.%d: NODEV after polling detection\n", - ap->print_id, dev->devno); + ata_dev_printk(dev, KERN_DEBUG, + "NODEV after polling detection\n"); return -ENOENT; } - /* Device or controller might have reported the wrong - * device class. Give a shot at the other IDENTIFY if - * the current one is aborted by the device. - */ - if (may_fallback && - (err_mask == AC_ERR_DEV) && (tf.feature & ATA_ABORTED)) { - may_fallback = 0; + if ((err_mask == AC_ERR_DEV) && (tf.feature & ATA_ABORTED)) { + /* Device or controller might have reported + * the wrong device class. Give a shot at the + * other IDENTIFY if the current one is + * aborted by the device. + */ + if (may_fallback) { + may_fallback = 0; - if (class == ATA_DEV_ATA) - class = ATA_DEV_ATAPI; - else - class = ATA_DEV_ATA; - goto retry; + if (class == ATA_DEV_ATA) + class = ATA_DEV_ATAPI; + else + class = ATA_DEV_ATA; + goto retry; + } + + /* Control reaches here iff the device aborted + * both flavors of IDENTIFYs which happens + * sometimes with phantom devices. + */ + ata_dev_printk(dev, KERN_DEBUG, + "both IDENTIFYs aborted, assuming NODEV\n"); + return -ENOENT; } rc = -EIO; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 681252fd8143..a5830329eda4 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2748,7 +2748,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset, ehc->i.flags &= ~ATA_EHI_SETMODE; } - if (ehc->i.action & ATA_EHI_LPM) + if (ehc->i.action & ATA_EH_LPM) ata_link_for_each_dev(dev, link) ata_dev_enable_pm(dev, ap->pm_policy); diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 8f0e8f2bc628..15795394b0a8 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -527,6 +527,14 @@ static struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev, return qc; } +static void ata_qc_set_pc_nbytes(struct ata_queued_cmd *qc) +{ + struct scsi_cmnd *scmd = qc->scsicmd; + + qc->extrabytes = scmd->request->extra_len; + qc->nbytes = scsi_bufflen(scmd) + qc->extrabytes; +} + /** * ata_dump_status - user friendly display of error info * @id: id of the port in question @@ -2539,7 +2547,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) } qc->tf.command = ATA_CMD_PACKET; - qc->nbytes = scsi_bufflen(scmd) + scmd->request->extra_len; + ata_qc_set_pc_nbytes(qc); /* check whether ATAPI DMA is safe */ if (!using_pio && ata_check_atapi_dma(qc)) @@ -2550,7 +2558,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) * want to set it properly, and for DMA where it is * effectively meaningless. */ - nbytes = min(scmd->request->data_len, (unsigned int)63 * 1024); + nbytes = min(ata_qc_raw_nbytes(qc), (unsigned int)63 * 1024); /* Most ATAPI devices which honor transfer chunk size don't * behave according to the spec when odd chunk size which @@ -2876,7 +2884,7 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc) * TODO: find out if we need to do more here to * cover scatter/gather case. */ - qc->nbytes = scsi_bufflen(scmd) + scmd->request->extra_len; + ata_qc_set_pc_nbytes(qc); /* request result TF and be quiet about device error */ qc->flags |= ATA_QCFLAG_RESULT_TF | ATA_QCFLAG_QUIET; diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index 7e68edf3c0f3..8786455c901d 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -295,7 +295,7 @@ static void ali_lock_sectors(struct ata_device *adev) static int ali_check_atapi_dma(struct ata_queued_cmd *qc) { /* If its not a media command, its not worth it */ - if (qc->nbytes < 2048) + if (atapi_cmd_type(qc->cdb[0]) == ATAPI_MISC) return -EOPNOTSUPP; return 0; } diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index 109ddd42c266..257951d03dbb 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -564,7 +564,7 @@ static int it821x_check_atapi_dma(struct ata_queued_cmd *qc) struct it821x_dev *itdev = ap->private_data; /* Only use dma for transfers to/from the media. */ - if (qc->nbytes < 2048) + if (ata_qc_raw_nbytes(qc) < 2048) return -EOPNOTSUPP; /* No ATAPI DMA in smart mode */ diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c index 503245a1eafa..3988e44f4934 100644 --- a/drivers/ata/pata_sil680.c +++ b/drivers/ata/pata_sil680.c @@ -269,7 +269,11 @@ static u8 sil680_init_chip(struct pci_dev *pdev, int *try_mmio) dev_dbg(&pdev->dev, "sil680: BA5_EN = %d clock = %02X\n", tmpbyte & 1, tmpbyte & 0x30); - *try_mmio = (tmpbyte & 1) || pci_resource_start(pdev, 5); + *try_mmio = 0; +#ifdef CONFIG_PPC + if (machine_is(cell)) + *try_mmio = (tmpbyte & 1) || pci_resource_start(pdev, 5); +#endif switch(tmpbyte & 0x30) { case 0x00: diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index f251a5f569d5..11c1afea2db2 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -46,7 +46,7 @@ #include "sata_promise.h" #define DRV_NAME "sata_promise" -#define DRV_VERSION "2.11" +#define DRV_VERSION "2.12" enum { PDC_MAX_PORTS = 4, @@ -145,7 +145,9 @@ static int pdc_old_sata_check_atapi_dma(struct ata_queued_cmd *qc); static void pdc_irq_clear(struct ata_port *ap); static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc); static void pdc_freeze(struct ata_port *ap); +static void pdc_sata_freeze(struct ata_port *ap); static void pdc_thaw(struct ata_port *ap); +static void pdc_sata_thaw(struct ata_port *ap); static void pdc_pata_error_handler(struct ata_port *ap); static void pdc_sata_error_handler(struct ata_port *ap); static void pdc_post_internal_cmd(struct ata_queued_cmd *qc); @@ -180,8 +182,8 @@ static const struct ata_port_operations pdc_sata_ops = { .qc_prep = pdc_qc_prep, .qc_issue = pdc_qc_issue_prot, - .freeze = pdc_freeze, - .thaw = pdc_thaw, + .freeze = pdc_sata_freeze, + .thaw = pdc_sata_thaw, .error_handler = pdc_sata_error_handler, .post_internal_cmd = pdc_post_internal_cmd, .cable_detect = pdc_sata_cable_detect, @@ -205,8 +207,8 @@ static const struct ata_port_operations pdc_old_sata_ops = { .qc_prep = pdc_qc_prep, .qc_issue = pdc_qc_issue_prot, - .freeze = pdc_freeze, - .thaw = pdc_thaw, + .freeze = pdc_sata_freeze, + .thaw = pdc_sata_thaw, .error_handler = pdc_sata_error_handler, .post_internal_cmd = pdc_post_internal_cmd, .cable_detect = pdc_sata_cable_detect, @@ -631,6 +633,41 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc) } } +static int pdc_is_sataii_tx4(unsigned long flags) +{ + const unsigned long mask = PDC_FLAG_GEN_II | PDC_FLAG_4_PORTS; + return (flags & mask) == mask; +} + +static unsigned int pdc_port_no_to_ata_no(unsigned int port_no, + int is_sataii_tx4) +{ + static const unsigned char sataii_tx4_port_remap[4] = { 3, 1, 0, 2}; + return is_sataii_tx4 ? sataii_tx4_port_remap[port_no] : port_no; +} + +static unsigned int pdc_sata_nr_ports(const struct ata_port *ap) +{ + return (ap->flags & PDC_FLAG_4_PORTS) ? 4 : 2; +} + +static unsigned int pdc_sata_ata_port_to_ata_no(const struct ata_port *ap) +{ + const struct ata_host *host = ap->host; + unsigned int nr_ports = pdc_sata_nr_ports(ap); + unsigned int i; + + for(i = 0; i < nr_ports && host->ports[i] != ap; ++i) + ; + BUG_ON(i >= nr_ports); + return pdc_port_no_to_ata_no(i, pdc_is_sataii_tx4(ap->flags)); +} + +static unsigned int pdc_sata_hotplug_offset(const struct ata_port *ap) +{ + return (ap->flags & PDC_FLAG_GEN_II) ? PDC2_SATA_PLUG_CSR : PDC_SATA_PLUG_CSR; +} + static void pdc_freeze(struct ata_port *ap) { void __iomem *mmio = ap->ioaddr.cmd_addr; @@ -643,6 +680,29 @@ static void pdc_freeze(struct ata_port *ap) readl(mmio + PDC_CTLSTAT); /* flush */ } +static void pdc_sata_freeze(struct ata_port *ap) +{ + struct ata_host *host = ap->host; + void __iomem *host_mmio = host->iomap[PDC_MMIO_BAR]; + unsigned int hotplug_offset = pdc_sata_hotplug_offset(ap); + unsigned int ata_no = pdc_sata_ata_port_to_ata_no(ap); + u32 hotplug_status; + + /* Disable hotplug events on this port. + * + * Locking: + * 1) hotplug register accesses must be serialised via host->lock + * 2) ap->lock == &ap->host->lock + * 3) ->freeze() and ->thaw() are called with ap->lock held + */ + hotplug_status = readl(host_mmio + hotplug_offset); + hotplug_status |= 0x11 << (ata_no + 16); + writel(hotplug_status, host_mmio + hotplug_offset); + readl(host_mmio + hotplug_offset); /* flush */ + + pdc_freeze(ap); +} + static void pdc_thaw(struct ata_port *ap) { void __iomem *mmio = ap->ioaddr.cmd_addr; @@ -658,6 +718,26 @@ static void pdc_thaw(struct ata_port *ap) readl(mmio + PDC_CTLSTAT); /* flush */ } +static void pdc_sata_thaw(struct ata_port *ap) +{ + struct ata_host *host = ap->host; + void __iomem *host_mmio = host->iomap[PDC_MMIO_BAR]; + unsigned int hotplug_offset = pdc_sata_hotplug_offset(ap); + unsigned int ata_no = pdc_sata_ata_port_to_ata_no(ap); + u32 hotplug_status; + + pdc_thaw(ap); + + /* Enable hotplug events on this port. + * Locking: see pdc_sata_freeze(). + */ + hotplug_status = readl(host_mmio + hotplug_offset); + hotplug_status |= 0x11 << ata_no; + hotplug_status &= ~(0x11 << (ata_no + 16)); + writel(hotplug_status, host_mmio + hotplug_offset); + readl(host_mmio + hotplug_offset); /* flush */ +} + static void pdc_common_error_handler(struct ata_port *ap, ata_reset_fn_t hardreset) { if (!(ap->pflags & ATA_PFLAG_FROZEN)) @@ -765,19 +845,6 @@ static void pdc_irq_clear(struct ata_port *ap) readl(mmio + PDC_INT_SEQMASK); } -static int pdc_is_sataii_tx4(unsigned long flags) -{ - const unsigned long mask = PDC_FLAG_GEN_II | PDC_FLAG_4_PORTS; - return (flags & mask) == mask; -} - -static unsigned int pdc_port_no_to_ata_no(unsigned int port_no, - int is_sataii_tx4) -{ - static const unsigned char sataii_tx4_port_remap[4] = { 3, 1, 0, 2}; - return is_sataii_tx4 ? sataii_tx4_port_remap[port_no] : port_no; -} - static irqreturn_t pdc_interrupt(int irq, void *dev_instance) { struct ata_host *host = dev_instance; @@ -799,6 +866,8 @@ static irqreturn_t pdc_interrupt(int irq, void *dev_instance) mmio_base = host->iomap[PDC_MMIO_BAR]; + spin_lock(&host->lock); + /* read and clear hotplug flags for all ports */ if (host->ports[0]->flags & PDC_FLAG_GEN_II) hotplug_offset = PDC2_SATA_PLUG_CSR; @@ -814,11 +883,9 @@ static irqreturn_t pdc_interrupt(int irq, void *dev_instance) if (mask == 0xffffffff && hotplug_status == 0) { VPRINTK("QUICK EXIT 2\n"); - return IRQ_NONE; + goto done_irq; } - spin_lock(&host->lock); - mask &= 0xffff; /* only 16 tags possible */ if (mask == 0 && hotplug_status == 0) { VPRINTK("QUICK EXIT 3\n"); diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index c662d686154a..47c57a4294b7 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -331,8 +331,8 @@ module_param(fs_keystream, int, 0); #define FS_DEBUG_QSIZE 0x00001000 -#define func_enter() fs_dprintk (FS_DEBUG_FLOW, "fs: enter %s\n", __FUNCTION__) -#define func_exit() fs_dprintk (FS_DEBUG_FLOW, "fs: exit %s\n", __FUNCTION__) +#define func_enter() fs_dprintk(FS_DEBUG_FLOW, "fs: enter %s\n", __func__) +#define func_exit() fs_dprintk(FS_DEBUG_FLOW, "fs: exit %s\n", __func__) static struct fs_dev *fs_boards = NULL; diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c index f97e050338f0..432181ed7bb5 100644 --- a/drivers/atm/fore200e.c +++ b/drivers/atm/fore200e.c @@ -95,8 +95,8 @@ #if 1 #define ASSERT(expr) if (!(expr)) { \ printk(FORE200E "assertion failed! %s[%d]: %s\n", \ - __FUNCTION__, __LINE__, #expr); \ - panic(FORE200E "%s", __FUNCTION__); \ + __func__, __LINE__, #expr); \ + panic(FORE200E "%s", __func__); \ } #else #define ASSERT(expr) do {} while (0) @@ -1988,19 +1988,19 @@ fore200e_fetch_stats(struct fore200e* fore200e, struct sonet_stats __user *arg) if (fore200e_getstats(fore200e) < 0) return -EIO; - tmp.section_bip = cpu_to_be32(fore200e->stats->oc3.section_bip8_errors); - tmp.line_bip = cpu_to_be32(fore200e->stats->oc3.line_bip24_errors); - tmp.path_bip = cpu_to_be32(fore200e->stats->oc3.path_bip8_errors); - tmp.line_febe = cpu_to_be32(fore200e->stats->oc3.line_febe_errors); - tmp.path_febe = cpu_to_be32(fore200e->stats->oc3.path_febe_errors); - tmp.corr_hcs = cpu_to_be32(fore200e->stats->oc3.corr_hcs_errors); - tmp.uncorr_hcs = cpu_to_be32(fore200e->stats->oc3.ucorr_hcs_errors); - tmp.tx_cells = cpu_to_be32(fore200e->stats->aal0.cells_transmitted) + - cpu_to_be32(fore200e->stats->aal34.cells_transmitted) + - cpu_to_be32(fore200e->stats->aal5.cells_transmitted); - tmp.rx_cells = cpu_to_be32(fore200e->stats->aal0.cells_received) + - cpu_to_be32(fore200e->stats->aal34.cells_received) + - cpu_to_be32(fore200e->stats->aal5.cells_received); + tmp.section_bip = be32_to_cpu(fore200e->stats->oc3.section_bip8_errors); + tmp.line_bip = be32_to_cpu(fore200e->stats->oc3.line_bip24_errors); + tmp.path_bip = be32_to_cpu(fore200e->stats->oc3.path_bip8_errors); + tmp.line_febe = be32_to_cpu(fore200e->stats->oc3.line_febe_errors); + tmp.path_febe = be32_to_cpu(fore200e->stats->oc3.path_febe_errors); + tmp.corr_hcs = be32_to_cpu(fore200e->stats->oc3.corr_hcs_errors); + tmp.uncorr_hcs = be32_to_cpu(fore200e->stats->oc3.ucorr_hcs_errors); + tmp.tx_cells = be32_to_cpu(fore200e->stats->aal0.cells_transmitted) + + be32_to_cpu(fore200e->stats->aal34.cells_transmitted) + + be32_to_cpu(fore200e->stats->aal5.cells_transmitted); + tmp.rx_cells = be32_to_cpu(fore200e->stats->aal0.cells_received) + + be32_to_cpu(fore200e->stats->aal34.cells_received) + + be32_to_cpu(fore200e->stats->aal5.cells_received); if (arg) return copy_to_user(arg, &tmp, sizeof(struct sonet_stats)) ? -EFAULT : 0; @@ -2587,7 +2587,7 @@ fore200e_start_fw(struct fore200e* fore200e) static int __devinit fore200e_load_fw(struct fore200e* fore200e) { - u32* fw_data = (u32*) fore200e->bus->fw_data; + __le32* fw_data = (__le32*) fore200e->bus->fw_data; u32 fw_size = (u32) *fore200e->bus->fw_size / sizeof(u32); struct fw_header* fw_header = (struct fw_header*) fw_data; @@ -2965,8 +2965,8 @@ fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) " 4b5b:\n" " crc_header_errors:\t\t%10u\n" " framing_errors:\t\t%10u\n", - cpu_to_be32(fore200e->stats->phy.crc_header_errors), - cpu_to_be32(fore200e->stats->phy.framing_errors)); + be32_to_cpu(fore200e->stats->phy.crc_header_errors), + be32_to_cpu(fore200e->stats->phy.framing_errors)); if (!left--) return sprintf(page, "\n" @@ -2978,13 +2978,13 @@ fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) " path_febe_errors:\t\t%10u\n" " corr_hcs_errors:\t\t%10u\n" " ucorr_hcs_errors:\t\t%10u\n", - cpu_to_be32(fore200e->stats->oc3.section_bip8_errors), - cpu_to_be32(fore200e->stats->oc3.path_bip8_errors), - cpu_to_be32(fore200e->stats->oc3.line_bip24_errors), - cpu_to_be32(fore200e->stats->oc3.line_febe_errors), - cpu_to_be32(fore200e->stats->oc3.path_febe_errors), - cpu_to_be32(fore200e->stats->oc3.corr_hcs_errors), - cpu_to_be32(fore200e->stats->oc3.ucorr_hcs_errors)); + be32_to_cpu(fore200e->stats->oc3.section_bip8_errors), + be32_to_cpu(fore200e->stats->oc3.path_bip8_errors), + be32_to_cpu(fore200e->stats->oc3.line_bip24_errors), + be32_to_cpu(fore200e->stats->oc3.line_febe_errors), + be32_to_cpu(fore200e->stats->oc3.path_febe_errors), + be32_to_cpu(fore200e->stats->oc3.corr_hcs_errors), + be32_to_cpu(fore200e->stats->oc3.ucorr_hcs_errors)); if (!left--) return sprintf(page,"\n" @@ -2995,12 +2995,12 @@ fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) " vpi no conn:\t\t%10u\n" " vci out of range:\t\t%10u\n" " vci no conn:\t\t%10u\n", - cpu_to_be32(fore200e->stats->atm.cells_transmitted), - cpu_to_be32(fore200e->stats->atm.cells_received), - cpu_to_be32(fore200e->stats->atm.vpi_bad_range), - cpu_to_be32(fore200e->stats->atm.vpi_no_conn), - cpu_to_be32(fore200e->stats->atm.vci_bad_range), - cpu_to_be32(fore200e->stats->atm.vci_no_conn)); + be32_to_cpu(fore200e->stats->atm.cells_transmitted), + be32_to_cpu(fore200e->stats->atm.cells_received), + be32_to_cpu(fore200e->stats->atm.vpi_bad_range), + be32_to_cpu(fore200e->stats->atm.vpi_no_conn), + be32_to_cpu(fore200e->stats->atm.vci_bad_range), + be32_to_cpu(fore200e->stats->atm.vci_no_conn)); if (!left--) return sprintf(page,"\n" @@ -3008,9 +3008,9 @@ fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) " TX:\t\t\t%10u\n" " RX:\t\t\t%10u\n" " dropped:\t\t\t%10u\n", - cpu_to_be32(fore200e->stats->aal0.cells_transmitted), - cpu_to_be32(fore200e->stats->aal0.cells_received), - cpu_to_be32(fore200e->stats->aal0.cells_dropped)); + be32_to_cpu(fore200e->stats->aal0.cells_transmitted), + be32_to_cpu(fore200e->stats->aal0.cells_received), + be32_to_cpu(fore200e->stats->aal0.cells_dropped)); if (!left--) return sprintf(page,"\n" @@ -3026,15 +3026,15 @@ fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) " RX:\t\t\t%10u\n" " dropped:\t\t\t%10u\n" " protocol errors:\t\t%10u\n", - cpu_to_be32(fore200e->stats->aal34.cells_transmitted), - cpu_to_be32(fore200e->stats->aal34.cells_received), - cpu_to_be32(fore200e->stats->aal34.cells_dropped), - cpu_to_be32(fore200e->stats->aal34.cells_crc_errors), - cpu_to_be32(fore200e->stats->aal34.cells_protocol_errors), - cpu_to_be32(fore200e->stats->aal34.cspdus_transmitted), - cpu_to_be32(fore200e->stats->aal34.cspdus_received), - cpu_to_be32(fore200e->stats->aal34.cspdus_dropped), - cpu_to_be32(fore200e->stats->aal34.cspdus_protocol_errors)); + be32_to_cpu(fore200e->stats->aal34.cells_transmitted), + be32_to_cpu(fore200e->stats->aal34.cells_received), + be32_to_cpu(fore200e->stats->aal34.cells_dropped), + be32_to_cpu(fore200e->stats->aal34.cells_crc_errors), + be32_to_cpu(fore200e->stats->aal34.cells_protocol_errors), + be32_to_cpu(fore200e->stats->aal34.cspdus_transmitted), + be32_to_cpu(fore200e->stats->aal34.cspdus_received), + be32_to_cpu(fore200e->stats->aal34.cspdus_dropped), + be32_to_cpu(fore200e->stats->aal34.cspdus_protocol_errors)); if (!left--) return sprintf(page,"\n" @@ -3050,15 +3050,15 @@ fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) " dropped:\t\t\t%10u\n" " CRC errors:\t\t%10u\n" " protocol errors:\t\t%10u\n", - cpu_to_be32(fore200e->stats->aal5.cells_transmitted), - cpu_to_be32(fore200e->stats->aal5.cells_received), - cpu_to_be32(fore200e->stats->aal5.cells_dropped), - cpu_to_be32(fore200e->stats->aal5.congestion_experienced), - cpu_to_be32(fore200e->stats->aal5.cspdus_transmitted), - cpu_to_be32(fore200e->stats->aal5.cspdus_received), - cpu_to_be32(fore200e->stats->aal5.cspdus_dropped), - cpu_to_be32(fore200e->stats->aal5.cspdus_crc_errors), - cpu_to_be32(fore200e->stats->aal5.cspdus_protocol_errors)); + be32_to_cpu(fore200e->stats->aal5.cells_transmitted), + be32_to_cpu(fore200e->stats->aal5.cells_received), + be32_to_cpu(fore200e->stats->aal5.cells_dropped), + be32_to_cpu(fore200e->stats->aal5.congestion_experienced), + be32_to_cpu(fore200e->stats->aal5.cspdus_transmitted), + be32_to_cpu(fore200e->stats->aal5.cspdus_received), + be32_to_cpu(fore200e->stats->aal5.cspdus_dropped), + be32_to_cpu(fore200e->stats->aal5.cspdus_crc_errors), + be32_to_cpu(fore200e->stats->aal5.cspdus_protocol_errors)); if (!left--) return sprintf(page,"\n" @@ -3069,11 +3069,11 @@ fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) " large b2:\t\t\t%10u\n" " RX PDUs:\t\t\t%10u\n" " TX PDUs:\t\t\t%10lu\n", - cpu_to_be32(fore200e->stats->aux.small_b1_failed), - cpu_to_be32(fore200e->stats->aux.large_b1_failed), - cpu_to_be32(fore200e->stats->aux.small_b2_failed), - cpu_to_be32(fore200e->stats->aux.large_b2_failed), - cpu_to_be32(fore200e->stats->aux.rpd_alloc_failed), + be32_to_cpu(fore200e->stats->aux.small_b1_failed), + be32_to_cpu(fore200e->stats->aux.large_b1_failed), + be32_to_cpu(fore200e->stats->aux.small_b2_failed), + be32_to_cpu(fore200e->stats->aux.large_b2_failed), + be32_to_cpu(fore200e->stats->aux.rpd_alloc_failed), fore200e->tx_sat); if (!left--) diff --git a/drivers/atm/fore200e.h b/drivers/atm/fore200e.h index b85a54613dea..183841cc8fdf 100644 --- a/drivers/atm/fore200e.h +++ b/drivers/atm/fore200e.h @@ -349,90 +349,90 @@ typedef struct oc3_block { /* physical encoding statistics */ typedef struct stats_phy { - u32 crc_header_errors; /* cells received with bad header CRC */ - u32 framing_errors; /* cells received with bad framing */ - u32 pad[ 2 ]; /* i960 padding */ + __be32 crc_header_errors; /* cells received with bad header CRC */ + __be32 framing_errors; /* cells received with bad framing */ + __be32 pad[ 2 ]; /* i960 padding */ } stats_phy_t; /* OC-3 statistics */ typedef struct stats_oc3 { - u32 section_bip8_errors; /* section 8 bit interleaved parity */ - u32 path_bip8_errors; /* path 8 bit interleaved parity */ - u32 line_bip24_errors; /* line 24 bit interleaved parity */ - u32 line_febe_errors; /* line far end block errors */ - u32 path_febe_errors; /* path far end block errors */ - u32 corr_hcs_errors; /* correctable header check sequence */ - u32 ucorr_hcs_errors; /* uncorrectable header check sequence */ - u32 pad[ 1 ]; /* i960 padding */ + __be32 section_bip8_errors; /* section 8 bit interleaved parity */ + __be32 path_bip8_errors; /* path 8 bit interleaved parity */ + __be32 line_bip24_errors; /* line 24 bit interleaved parity */ + __be32 line_febe_errors; /* line far end block errors */ + __be32 path_febe_errors; /* path far end block errors */ + __be32 corr_hcs_errors; /* correctable header check sequence */ + __be32 ucorr_hcs_errors; /* uncorrectable header check sequence */ + __be32 pad[ 1 ]; /* i960 padding */ } stats_oc3_t; /* ATM statistics */ typedef struct stats_atm { - u32 cells_transmitted; /* cells transmitted */ - u32 cells_received; /* cells received */ - u32 vpi_bad_range; /* cell drops: VPI out of range */ - u32 vpi_no_conn; /* cell drops: no connection for VPI */ - u32 vci_bad_range; /* cell drops: VCI out of range */ - u32 vci_no_conn; /* cell drops: no connection for VCI */ - u32 pad[ 2 ]; /* i960 padding */ + __be32 cells_transmitted; /* cells transmitted */ + __be32 cells_received; /* cells received */ + __be32 vpi_bad_range; /* cell drops: VPI out of range */ + __be32 vpi_no_conn; /* cell drops: no connection for VPI */ + __be32 vci_bad_range; /* cell drops: VCI out of range */ + __be32 vci_no_conn; /* cell drops: no connection for VCI */ + __be32 pad[ 2 ]; /* i960 padding */ } stats_atm_t; /* AAL0 statistics */ typedef struct stats_aal0 { - u32 cells_transmitted; /* cells transmitted */ - u32 cells_received; /* cells received */ - u32 cells_dropped; /* cells dropped */ - u32 pad[ 1 ]; /* i960 padding */ + __be32 cells_transmitted; /* cells transmitted */ + __be32 cells_received; /* cells received */ + __be32 cells_dropped; /* cells dropped */ + __be32 pad[ 1 ]; /* i960 padding */ } stats_aal0_t; /* AAL3/4 statistics */ typedef struct stats_aal34 { - u32 cells_transmitted; /* cells transmitted from segmented PDUs */ - u32 cells_received; /* cells reassembled into PDUs */ - u32 cells_crc_errors; /* payload CRC error count */ - u32 cells_protocol_errors; /* SAR or CS layer protocol errors */ - u32 cells_dropped; /* cells dropped: partial reassembly */ - u32 cspdus_transmitted; /* CS PDUs transmitted */ - u32 cspdus_received; /* CS PDUs received */ - u32 cspdus_protocol_errors; /* CS layer protocol errors */ - u32 cspdus_dropped; /* reassembled PDUs drop'd (in cells) */ - u32 pad[ 3 ]; /* i960 padding */ + __be32 cells_transmitted; /* cells transmitted from segmented PDUs */ + __be32 cells_received; /* cells reassembled into PDUs */ + __be32 cells_crc_errors; /* payload CRC error count */ + __be32 cells_protocol_errors; /* SAR or CS layer protocol errors */ + __be32 cells_dropped; /* cells dropped: partial reassembly */ + __be32 cspdus_transmitted; /* CS PDUs transmitted */ + __be32 cspdus_received; /* CS PDUs received */ + __be32 cspdus_protocol_errors; /* CS layer protocol errors */ + __be32 cspdus_dropped; /* reassembled PDUs drop'd (in cells) */ + __be32 pad[ 3 ]; /* i960 padding */ } stats_aal34_t; /* AAL5 statistics */ typedef struct stats_aal5 { - u32 cells_transmitted; /* cells transmitted from segmented SDUs */ - u32 cells_received; /* cells reassembled into SDUs */ - u32 cells_dropped; /* reassembled PDUs dropped (in cells) */ - u32 congestion_experienced; /* CRC error and length wrong */ - u32 cspdus_transmitted; /* CS PDUs transmitted */ - u32 cspdus_received; /* CS PDUs received */ - u32 cspdus_crc_errors; /* CS PDUs CRC errors */ - u32 cspdus_protocol_errors; /* CS layer protocol errors */ - u32 cspdus_dropped; /* reassembled PDUs dropped */ - u32 pad[ 3 ]; /* i960 padding */ + __be32 cells_transmitted; /* cells transmitted from segmented SDUs */ + __be32 cells_received; /* cells reassembled into SDUs */ + __be32 cells_dropped; /* reassembled PDUs dropped (in cells) */ + __be32 congestion_experienced; /* CRC error and length wrong */ + __be32 cspdus_transmitted; /* CS PDUs transmitted */ + __be32 cspdus_received; /* CS PDUs received */ + __be32 cspdus_crc_errors; /* CS PDUs CRC errors */ + __be32 cspdus_protocol_errors; /* CS layer protocol errors */ + __be32 cspdus_dropped; /* reassembled PDUs dropped */ + __be32 pad[ 3 ]; /* i960 padding */ } stats_aal5_t; /* auxiliary statistics */ typedef struct stats_aux { - u32 small_b1_failed; /* receive BD allocation failures */ - u32 large_b1_failed; /* receive BD allocation failures */ - u32 small_b2_failed; /* receive BD allocation failures */ - u32 large_b2_failed; /* receive BD allocation failures */ - u32 rpd_alloc_failed; /* receive PDU allocation failures */ - u32 receive_carrier; /* no carrier = 0, carrier = 1 */ - u32 pad[ 2 ]; /* i960 padding */ + __be32 small_b1_failed; /* receive BD allocation failures */ + __be32 large_b1_failed; /* receive BD allocation failures */ + __be32 small_b2_failed; /* receive BD allocation failures */ + __be32 large_b2_failed; /* receive BD allocation failures */ + __be32 rpd_alloc_failed; /* receive PDU allocation failures */ + __be32 receive_carrier; /* no carrier = 0, carrier = 1 */ + __be32 pad[ 2 ]; /* i960 padding */ } stats_aux_t; @@ -643,10 +643,10 @@ typedef struct host_bsq { /* header of the firmware image */ typedef struct fw_header { - u32 magic; /* magic number */ - u32 version; /* firmware version id */ - u32 load_offset; /* fw load offset in board memory */ - u32 start_offset; /* fw execution start address in board memory */ + __le32 magic; /* magic number */ + __le32 version; /* firmware version id */ + __le32 load_offset; /* fw load offset in board memory */ + __le32 start_offset; /* fw execution start address in board memory */ } fw_header_t; #define FW_HEADER_MAGIC 0x65726f66 /* 'fore' */ diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index eee54c0cde68..b967919fb7e2 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -555,7 +555,7 @@ idt77252_tx_dump(struct idt77252_dev *card) struct vc_map *vc; int i; - printk("%s\n", __FUNCTION__); + printk("%s\n", __func__); for (i = 0; i < card->tct_size; i++) { vc = card->vcs[i]; if (!vc) @@ -1035,7 +1035,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) skb = sb_pool_skb(card, le32_to_cpu(rsqe->word_2)); if (skb == NULL) { printk("%s: NULL skb in %s, rsqe: %08x %08x %08x %08x\n", - card->name, __FUNCTION__, + card->name, __func__, le32_to_cpu(rsqe->word_1), le32_to_cpu(rsqe->word_2), le32_to_cpu(rsqe->word_3), le32_to_cpu(rsqe->word_4)); return; @@ -1873,7 +1873,7 @@ add_rx_skb(struct idt77252_dev *card, int queue, return; if (sb_pool_add(card, skb, queue)) { - printk("%s: SB POOL full\n", __FUNCTION__); + printk("%s: SB POOL full\n", __func__); goto outfree; } @@ -1883,7 +1883,7 @@ add_rx_skb(struct idt77252_dev *card, int queue, IDT77252_PRV_PADDR(skb) = paddr; if (push_rx_skb(card, skb, queue)) { - printk("%s: FB QUEUE full\n", __FUNCTION__); + printk("%s: FB QUEUE full\n", __func__); goto outunmap; } } @@ -3821,12 +3821,12 @@ static int __init idt77252_init(void) { struct sk_buff *skb; - printk("%s: at %p\n", __FUNCTION__, idt77252_init); + printk("%s: at %p\n", __func__, idt77252_init); if (sizeof(skb->cb) < sizeof(struct atm_skb_data) + sizeof(struct idt77252_skb_prv)) { printk(KERN_ERR "%s: skb->cb is too small (%lu < %lu)\n", - __FUNCTION__, (unsigned long) sizeof(skb->cb), + __func__, (unsigned long) sizeof(skb->cb), (unsigned long) sizeof(struct atm_skb_data) + sizeof(struct idt77252_skb_prv)); return -EIO; diff --git a/drivers/base/core.c b/drivers/base/core.c index 7de543d1d0b4..24198ad01976 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -19,6 +19,7 @@ #include <linux/kdev_t.h> #include <linux/notifier.h> #include <linux/genhd.h> +#include <linux/kallsyms.h> #include <asm/semaphore.h> #include "base.h" @@ -68,6 +69,10 @@ static ssize_t dev_attr_show(struct kobject *kobj, struct attribute *attr, if (dev_attr->show) ret = dev_attr->show(dev, dev_attr, buf); + if (ret >= (ssize_t)PAGE_SIZE) { + print_symbol("dev_attr_show: %s returned bad count\n", + (unsigned long)dev_attr->show); + } return ret; } diff --git a/drivers/base/driver.c b/drivers/base/driver.c index bf31a0170a48..9a6537f14401 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -133,6 +133,7 @@ int driver_add_kobj(struct device_driver *drv, struct kobject *kobj, { va_list args; char *name; + int ret; va_start(args, fmt); name = kvasprintf(GFP_KERNEL, fmt, args); @@ -141,7 +142,9 @@ int driver_add_kobj(struct device_driver *drv, struct kobject *kobj, if (!name) return -ENOMEM; - return kobject_add(kobj, &drv->p->kobj, "%s", name); + ret = kobject_add(kobj, &drv->p->kobj, "%s", name); + kfree(name); + return ret; } EXPORT_SYMBOL_GPL(driver_add_kobj); diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index b6d230b3209f..0d1d2133d9bc 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -44,16 +44,6 @@ config MAC_FLOPPY If you have a SWIM-3 (Super Woz Integrated Machine 3; from Apple) floppy controller, say Y here. Most commonly found in PowerMacs. -config BLK_DEV_PS2 - tristate "PS/2 ESDI hard disk support" - depends on MCA && MCA_LEGACY && BROKEN - help - Say Y here if you have a PS/2 machine with a MCA bus and an ESDI - hard disk. - - To compile this driver as a module, choose M here: the - module will be called ps2esdi. - config AMIGA_Z2RAM tristate "Amiga Zorro II ramdisk support" depends on ZORRO diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 01c972415cb2..5e584306be99 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_ATARI_FLOPPY) += ataflop.o obj-$(CONFIG_AMIGA_Z2RAM) += z2ram.o obj-$(CONFIG_BLK_DEV_RAM) += brd.o obj-$(CONFIG_BLK_DEV_LOOP) += loop.o -obj-$(CONFIG_BLK_DEV_PS2) += ps2esdi.o obj-$(CONFIG_BLK_DEV_XD) += xd.o obj-$(CONFIG_BLK_CPQ_DA) += cpqarray.o obj-$(CONFIG_BLK_CPQ_CISS_DA) += cciss.o diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 32c79a55511b..7652e87d60c5 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -217,7 +217,6 @@ static int use_virtual_dma; */ static DEFINE_SPINLOCK(floppy_lock); -static struct completion device_release; static unsigned short virtual_dma_port = 0x3f0; irqreturn_t floppy_interrupt(int irq, void *dev_id); @@ -4144,7 +4143,6 @@ DEVICE_ATTR(cmos,S_IRUGO,floppy_cmos_show,NULL); static void floppy_device_release(struct device *dev) { - complete(&device_release); } static struct platform_device floppy_device[N_DRIVE]; @@ -4539,7 +4537,6 @@ void cleanup_module(void) { int drive; - init_completion(&device_release); blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256); unregister_blkdev(FLOPPY_MAJOR, "fd"); @@ -4564,8 +4561,6 @@ void cleanup_module(void) /* eject disk, if any */ fd_eject(0); - - wait_for_completion(&device_release); } module_param(floppy, charp, 0); diff --git a/drivers/block/ps2esdi.c b/drivers/block/ps2esdi.c deleted file mode 100644 index 3c796e236253..000000000000 --- a/drivers/block/ps2esdi.c +++ /dev/null @@ -1,1079 +0,0 @@ -/* ps2esdi driver based on assembler code by Arindam Banerji, - written by Peter De Schrijver */ -/* Reassuring note to IBM : This driver was NOT developed by vice-versa - engineering the PS/2's BIOS */ -/* Dedicated to Wannes, Tofke, Ykke, Godot, Killroy and all those - other lovely fish out there... */ -/* This code was written during the long and boring WINA - elections 1994 */ -/* Thanks to Arindam Banerij for giving me the source of his driver */ -/* This code may be freely distributed and modified in any way, - as long as these notes remain intact */ - -/* Revised: 05/07/94 by Arindam Banerji (axb@cse.nd.edu) */ -/* Revised: 09/08/94 by Peter De Schrijver (stud11@cc4.kuleuven.ac.be) - Thanks to Arindam Banerij for sending me the docs of the adapter */ - -/* BA Modified for ThinkPad 720 by Boris Ashkinazi */ -/* (bash@vnet.ibm.com) 08/08/95 */ - -/* Modified further for ThinkPad-720C by Uri Blumenthal */ -/* (uri@watson.ibm.com) Sep 11, 1995 */ - -/* TODO : - + Timeouts - + Get disk parameters - + DMA above 16MB - + reset after read/write error - */ - -#define DEVICE_NAME "PS/2 ESDI" - -#include <linux/major.h> -#include <linux/errno.h> -#include <linux/wait.h> -#include <linux/interrupt.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/genhd.h> -#include <linux/ps2esdi.h> -#include <linux/blkdev.h> -#include <linux/mca-legacy.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/module.h> -#include <linux/hdreg.h> - -#include <asm/system.h> -#include <asm/io.h> -#include <asm/dma.h> -#include <asm/mca_dma.h> -#include <asm/uaccess.h> - -#define PS2ESDI_IRQ 14 -#define MAX_HD 2 -#define MAX_RETRIES 5 -#define MAX_16BIT 65536 -#define ESDI_TIMEOUT 0xf000 -#define ESDI_STAT_TIMEOUT 4 - -#define TYPE_0_CMD_BLK_LENGTH 2 -#define TYPE_1_CMD_BLK_LENGTH 4 - -static void reset_ctrl(void); - -static int ps2esdi_geninit(void); - -static void do_ps2esdi_request(struct request_queue * q); - -static void ps2esdi_readwrite(int cmd, struct request *req); - -static void ps2esdi_fill_cmd_block(u_short * cmd_blk, u_short cmd, -u_short cyl, u_short head, u_short sector, u_short length, u_char drive); - -static int ps2esdi_out_cmd_blk(u_short * cmd_blk); - -static void ps2esdi_prep_dma(char *buffer, u_short length, u_char dma_xmode); - -static irqreturn_t ps2esdi_interrupt_handler(int irq, void *dev_id); -static void (*current_int_handler) (u_int) = NULL; -static void ps2esdi_normal_interrupt_handler(u_int); -static void ps2esdi_initial_reset_int_handler(u_int); -static void ps2esdi_geometry_int_handler(u_int); -static int ps2esdi_getgeo(struct block_device *bdev, struct hd_geometry *geo); - -static int ps2esdi_read_status_words(int num_words, int max_words, u_short * buffer); - -static void dump_cmd_complete_status(u_int int_ret_code); - -static void ps2esdi_get_device_cfg(void); - -static void ps2esdi_reset_timer(unsigned long unused); - -static u_int dma_arb_level; /* DMA arbitration level */ - -static DECLARE_WAIT_QUEUE_HEAD(ps2esdi_int); - -static int no_int_yet; -static int ps2esdi_drives; -static u_short io_base; -static DEFINE_TIMER(esdi_timer, ps2esdi_reset_timer, 0, 0); -static int reset_status; -static int ps2esdi_slot = -1; -static int tp720esdi = 0; /* Is it Integrated ESDI of ThinkPad-720? */ -static int intg_esdi = 0; /* If integrated adapter */ -struct ps2esdi_i_struct { - unsigned int head, sect, cyl, wpcom, lzone, ctl; -}; -static DEFINE_SPINLOCK(ps2esdi_lock); -static struct request_queue *ps2esdi_queue; -static struct request *current_req; - -#if 0 -#if 0 /* try both - I don't know which one is better... UB */ -static struct ps2esdi_i_struct ps2esdi_info[MAX_HD] = -{ - {4, 48, 1553, 0, 0, 0}, - {0, 0, 0, 0, 0, 0}}; -#else -static struct ps2esdi_i_struct ps2esdi_info[MAX_HD] = -{ - {64, 32, 161, 0, 0, 0}, - {0, 0, 0, 0, 0, 0}}; -#endif -#endif -static struct ps2esdi_i_struct ps2esdi_info[MAX_HD] = -{ - {0, 0, 0, 0, 0, 0}, - {0, 0, 0, 0, 0, 0}}; - -static struct block_device_operations ps2esdi_fops = -{ - .owner = THIS_MODULE, - .getgeo = ps2esdi_getgeo, -}; - -static struct gendisk *ps2esdi_gendisk[2]; - -/* initialization routine called by ll_rw_blk.c */ -static int __init ps2esdi_init(void) -{ - - int error = 0; - - /* register the device - pass the name and major number */ - if (register_blkdev(PS2ESDI_MAJOR, "ed")) - return -EBUSY; - - /* set up some global information - indicating device specific info */ - ps2esdi_queue = blk_init_queue(do_ps2esdi_request, &ps2esdi_lock); - if (!ps2esdi_queue) { - unregister_blkdev(PS2ESDI_MAJOR, "ed"); - return -ENOMEM; - } - - /* some minor housekeeping - setup the global gendisk structure */ - error = ps2esdi_geninit(); - if (error) { - printk(KERN_WARNING "PS2ESDI: error initialising" - " device, releasing resources\n"); - unregister_blkdev(PS2ESDI_MAJOR, "ed"); - blk_cleanup_queue(ps2esdi_queue); - return error; - } - return 0; -} /* ps2esdi_init */ - -#ifndef MODULE - -module_init(ps2esdi_init); - -#else - -static int cyl[MAX_HD] = {-1,-1}; -static int head[MAX_HD] = {-1, -1}; -static int sect[MAX_HD] = {-1, -1}; - -module_param(tp720esdi, bool, 0); -module_param_array(cyl, int, NULL, 0); -module_param_array(head, int, NULL, 0); -module_param_array(sect, int, NULL, 0); -MODULE_LICENSE("GPL"); - -int init_module(void) { - int drive; - - for(drive = 0; drive < MAX_HD; drive++) { - struct ps2esdi_i_struct *info = &ps2esdi_info[drive]; - - if (cyl[drive] != -1) { - info->cyl = info->lzone = cyl[drive]; - info->wpcom = 0; - } - if (head[drive] != -1) { - info->head = head[drive]; - info->ctl = (head[drive] > 8 ? 8 : 0); - } - if (sect[drive] != -1) info->sect = sect[drive]; - } - return ps2esdi_init(); -} - -void -cleanup_module(void) { - int i; - if(ps2esdi_slot) { - mca_mark_as_unused(ps2esdi_slot); - mca_set_adapter_procfn(ps2esdi_slot, NULL, NULL); - } - release_region(io_base, 4); - free_dma(dma_arb_level); - free_irq(PS2ESDI_IRQ, &ps2esdi_gendisk); - unregister_blkdev(PS2ESDI_MAJOR, "ed"); - blk_cleanup_queue(ps2esdi_queue); - for (i = 0; i < ps2esdi_drives; i++) { - del_gendisk(ps2esdi_gendisk[i]); - put_disk(ps2esdi_gendisk[i]); - } -} -#endif /* MODULE */ - -/* handles boot time command line parameters */ -void __init tp720_setup(char *str, int *ints) -{ - /* no params, just sets the tp720esdi flag if it exists */ - - printk("%s: TP 720 ESDI flag set\n", DEVICE_NAME); - tp720esdi = 1; -} - -void __init ed_setup(char *str, int *ints) -{ - int hdind = 0; - - /* handles 3 parameters only - corresponding to - 1. Number of cylinders - 2. Number of heads - 3. Sectors/track - */ - - if (ints[0] != 3) - return; - - /* print out the information - seen at boot time */ - printk("%s: ints[0]=%d ints[1]=%d ints[2]=%d ints[3]=%d\n", - DEVICE_NAME, ints[0], ints[1], ints[2], ints[3]); - - /* set the index into device specific information table */ - if (ps2esdi_info[0].head != 0) - hdind = 1; - - /* set up all the device information */ - ps2esdi_info[hdind].head = ints[2]; - ps2esdi_info[hdind].sect = ints[3]; - ps2esdi_info[hdind].cyl = ints[1]; - ps2esdi_info[hdind].wpcom = 0; - ps2esdi_info[hdind].lzone = ints[1]; - ps2esdi_info[hdind].ctl = (ints[2] > 8 ? 8 : 0); -#if 0 /* this may be needed for PS2/Mod.80, but it hurts ThinkPad! */ - ps2esdi_drives = hdind + 1; /* increment index for the next time */ -#endif -} /* ed_setup */ - -static int ps2esdi_getinfo(char *buf, int slot, void *d) -{ - int len = 0; - - len += sprintf(buf + len, "DMA Arbitration Level: %d\n", - dma_arb_level); - len += sprintf(buf + len, "IO Port: %x\n", io_base); - len += sprintf(buf + len, "IRQ: 14\n"); - len += sprintf(buf + len, "Drives: %d\n", ps2esdi_drives); - - return len; -} - -/* ps2 esdi specific initialization - called thru the gendisk chain */ -static int __init ps2esdi_geninit(void) -{ - /* - The first part contains the initialization code - for the ESDI disk subsystem. All we really do - is search for the POS registers of the controller - to do some simple setup operations. First, we - must ensure that the controller is installed, - enabled, and configured as PRIMARY. Then we must - determine the DMA arbitration level being used by - the controller so we can handle data transfer - operations properly. If all of this works, then - we will set the INIT_FLAG to a non-zero value. - */ - - int slot = 0, i, reset_start, reset_end; - u_char status; - unsigned short adapterID; - int error = 0; - - if ((slot = mca_find_adapter(INTG_ESDI_ID, 0)) != MCA_NOTFOUND) { - adapterID = INTG_ESDI_ID; - printk("%s: integrated ESDI adapter found in slot %d\n", - DEVICE_NAME, slot+1); -#ifndef MODULE - mca_set_adapter_name(slot, "PS/2 Integrated ESDI"); -#endif - } else if ((slot = mca_find_adapter(NRML_ESDI_ID, 0)) != -1) { - adapterID = NRML_ESDI_ID; - printk("%s: normal ESDI adapter found in slot %d\n", - DEVICE_NAME, slot+1); - mca_set_adapter_name(slot, "PS/2 ESDI"); - } else { - return -ENODEV; - } - - ps2esdi_slot = slot; - mca_mark_as_used(slot); - mca_set_adapter_procfn(slot, (MCA_ProcFn) ps2esdi_getinfo, NULL); - - /* Found the slot - read the POS register 2 to get the necessary - configuration and status information. POS register 2 has the - following information : - Bit Function - 7 reserved = 0 - 6 arbitration method - 0 - fairness enabled - 1 - fairness disabled, linear priority assignment - 5-2 arbitration level - 1 alternate address - 1 alternate address - 0 - use addresses 0x3510 - 0x3517 - 0 adapter enable - */ - - status = mca_read_stored_pos(slot, 2); - /* is it enabled ? */ - if (!(status & STATUS_ENABLED)) { - printk("%s: ESDI adapter disabled\n", DEVICE_NAME); - error = -ENODEV; - goto err_out1; - } - /* try to grab IRQ, and try to grab a slow IRQ if it fails, so we can - share with the SCSI driver */ - if (request_irq(PS2ESDI_IRQ, ps2esdi_interrupt_handler, - IRQF_DISABLED | IRQF_SHARED, "PS/2 ESDI", &ps2esdi_gendisk) - && request_irq(PS2ESDI_IRQ, ps2esdi_interrupt_handler, - IRQF_SHARED, "PS/2 ESDI", &ps2esdi_gendisk) - ) { - printk("%s: Unable to get IRQ %d\n", DEVICE_NAME, PS2ESDI_IRQ); - error = -EBUSY; - goto err_out1; - } - if (status & STATUS_ALTERNATE) - io_base = ALT_IO_BASE; - else - io_base = PRIMARY_IO_BASE; - - if (!request_region(io_base, 4, "ed")) { - printk(KERN_WARNING"Unable to request region 0x%x\n", io_base); - error = -EBUSY; - goto err_out2; - } - /* get the dma arbitration level */ - dma_arb_level = (status >> 2) & 0xf; - - /* BA */ - printk("%s: DMA arbitration level : %d\n", - DEVICE_NAME, dma_arb_level); - - LITE_ON; - current_int_handler = ps2esdi_initial_reset_int_handler; - reset_ctrl(); - reset_status = 0; - reset_start = jiffies; - while (!reset_status) { - init_timer(&esdi_timer); - esdi_timer.expires = jiffies + HZ; - esdi_timer.data = 0; - add_timer(&esdi_timer); - sleep_on(&ps2esdi_int); - } - reset_end = jiffies; - LITE_OFF; - printk("%s: reset interrupt after %d jiffies, %u.%02u secs\n", - DEVICE_NAME, reset_end - reset_start, (reset_end - reset_start) / HZ, - (reset_end - reset_start) % HZ); - - - /* Integrated ESDI Disk and Controller has only one drive! */ - if (adapterID == INTG_ESDI_ID) {/* if not "normal" PS2 ESDI adapter */ - ps2esdi_drives = 1; /* then we have only one physical disk! */ intg_esdi = 1; - } - - - - /* finally this part sets up some global data structures etc. */ - - ps2esdi_get_device_cfg(); - - /* some annoyance in the above routine returns TWO drives? - Is something else happining in the background? - Regaurdless we fix the # of drives again. AJK */ - /* Integrated ESDI Disk and Controller has only one drive! */ - if (adapterID == INTG_ESDI_ID) /* if not "normal" PS2 ESDI adapter */ - ps2esdi_drives = 1; /* Not three or two, ONE DAMNIT! */ - - current_int_handler = ps2esdi_normal_interrupt_handler; - - if (request_dma(dma_arb_level, "ed") !=0) { - printk(KERN_WARNING "PS2ESDI: Can't request dma-channel %d\n" - ,(int) dma_arb_level); - error = -EBUSY; - goto err_out3; - } - blk_queue_max_sectors(ps2esdi_queue, 128); - - error = -ENOMEM; - for (i = 0; i < ps2esdi_drives; i++) { - struct gendisk *disk = alloc_disk(64); - if (!disk) - goto err_out4; - disk->major = PS2ESDI_MAJOR; - disk->first_minor = i<<6; - sprintf(disk->disk_name, "ed%c", 'a'+i); - disk->fops = &ps2esdi_fops; - ps2esdi_gendisk[i] = disk; - } - - for (i = 0; i < ps2esdi_drives; i++) { - struct gendisk *disk = ps2esdi_gendisk[i]; - set_capacity(disk, ps2esdi_info[i].head * ps2esdi_info[i].sect * - ps2esdi_info[i].cyl); - disk->queue = ps2esdi_queue; - disk->private_data = &ps2esdi_info[i]; - add_disk(disk); - } - return 0; -err_out4: - while (i--) - put_disk(ps2esdi_gendisk[i]); -err_out3: - release_region(io_base, 4); -err_out2: - free_irq(PS2ESDI_IRQ, &ps2esdi_gendisk); -err_out1: - if(ps2esdi_slot) { - mca_mark_as_unused(ps2esdi_slot); - mca_set_adapter_procfn(ps2esdi_slot, NULL, NULL); - } - return error; -} - -static void __init ps2esdi_get_device_cfg(void) -{ - u_short cmd_blk[TYPE_0_CMD_BLK_LENGTH]; - - /*BA */ printk("%s: Drive 0\n", DEVICE_NAME); - current_int_handler = ps2esdi_geometry_int_handler; - cmd_blk[0] = CMD_GET_DEV_CONFIG | 0x600; - cmd_blk[1] = 0; - no_int_yet = TRUE; - ps2esdi_out_cmd_blk(cmd_blk); - if (no_int_yet) - sleep_on(&ps2esdi_int); - - if (ps2esdi_drives > 1) { - printk("%s: Drive 1\n", DEVICE_NAME); /*BA */ - cmd_blk[0] = CMD_GET_DEV_CONFIG | (1 << 5) | 0x600; - cmd_blk[1] = 0; - no_int_yet = TRUE; - ps2esdi_out_cmd_blk(cmd_blk); - if (no_int_yet) - sleep_on(&ps2esdi_int); - } /* if second physical drive is present */ - return; -} - -/* strategy routine that handles most of the IO requests */ -static void do_ps2esdi_request(struct request_queue * q) -{ - struct request *req; - /* since, this routine is called with interrupts cleared - they - must be before it finishes */ - - req = elv_next_request(q); - if (!req) - return; - -#if 0 - printk("%s:got request. device : %s command : %d sector : %ld count : %ld, buffer: %p\n", - DEVICE_NAME, - req->rq_disk->disk_name, - req->cmd, req->sector, - req->current_nr_sectors, req->buffer); -#endif - - /* check for above 16Mb dmas */ - if (isa_virt_to_bus(req->buffer + req->current_nr_sectors * 512) > 16 * MB) { - printk("%s: DMA above 16MB not supported\n", DEVICE_NAME); - end_request(req, FAIL); - return; - } - - if (req->sector+req->current_nr_sectors > get_capacity(req->rq_disk)) { - printk("Grrr. error. ps2esdi_drives: %d, %llu %llu\n", - ps2esdi_drives, req->sector, - (unsigned long long)get_capacity(req->rq_disk)); - end_request(req, FAIL); - return; - } - - switch (rq_data_dir(req)) { - case READ: - ps2esdi_readwrite(READ, req); - break; - case WRITE: - ps2esdi_readwrite(WRITE, req); - break; - default: - printk("%s: Unknown command\n", req->rq_disk->disk_name); - end_request(req, FAIL); - break; - } /* handle different commands */ -} /* main strategy routine */ - -/* resets the ESDI adapter */ -static void reset_ctrl(void) -{ - - u_long expire; - u_short status; - - /* enable interrupts on the controller */ - status = inb(ESDI_INTRPT); - outb((status & 0xe0) | ATT_EOI, ESDI_ATTN); /* to be sure we don't have - any interrupt pending... */ - outb_p(CTRL_ENABLE_INTR, ESDI_CONTROL); - - /* read the ESDI status port - if the controller is not busy, - simply do a soft reset (fast) - otherwise we'll have to do a - hard (slow) reset. */ - if (!(inb_p(ESDI_STATUS) & STATUS_BUSY)) { - /*BA */ printk("%s: soft reset...\n", DEVICE_NAME); - outb_p(CTRL_SOFT_RESET, ESDI_ATTN); - } - /* soft reset */ - else { - /*BA */ - printk("%s: hard reset...\n", DEVICE_NAME); - outb_p(CTRL_HARD_RESET, ESDI_CONTROL); - expire = jiffies + 2*HZ; - while (time_before(jiffies, expire)); - outb_p(1, ESDI_CONTROL); - } /* hard reset */ - - -} /* reset the controller */ - -/* called by the strategy routine to handle read and write requests */ -static void ps2esdi_readwrite(int cmd, struct request *req) -{ - struct ps2esdi_i_struct *p = req->rq_disk->private_data; - unsigned block = req->sector; - unsigned count = req->current_nr_sectors; - int drive = p - ps2esdi_info; - u_short track, head, cylinder, sector; - u_short cmd_blk[TYPE_1_CMD_BLK_LENGTH]; - - /* do some relevant arithmatic */ - track = block / p->sect; - head = track % p->head; - cylinder = track / p->head; - sector = block % p->sect; - -#if 0 - printk("%s: cyl=%d head=%d sect=%d\n", DEVICE_NAME, cylinder, head, sector); -#endif - /* call the routine that actually fills out a command block */ - ps2esdi_fill_cmd_block - (cmd_blk, - (cmd == READ) ? CMD_READ : CMD_WRITE, - cylinder, head, sector, count, drive); - - /* send the command block to the controller */ - current_req = req; - spin_unlock_irq(&ps2esdi_lock); - if (ps2esdi_out_cmd_blk(cmd_blk)) { - spin_lock_irq(&ps2esdi_lock); - printk("%s: Controller failed\n", DEVICE_NAME); - if ((++req->errors) >= MAX_RETRIES) - end_request(req, FAIL); - } - /* check for failure to put out the command block */ - else { - spin_lock_irq(&ps2esdi_lock); -#if 0 - printk("%s: waiting for xfer\n", DEVICE_NAME); -#endif - /* turn disk lights on */ - LITE_ON; - } - -} /* ps2esdi_readwrite */ - -/* fill out the command block */ -static void ps2esdi_fill_cmd_block(u_short * cmd_blk, u_short cmd, - u_short cyl, u_short head, u_short sector, u_short length, u_char drive) -{ - - cmd_blk[0] = (drive << 5) | cmd; - cmd_blk[1] = length; - cmd_blk[2] = ((cyl & 0x1f) << 11) | (head << 5) | sector; - cmd_blk[3] = (cyl & 0x3E0) >> 5; - -} /* fill out the command block */ - -/* write a command block to the controller */ -static int ps2esdi_out_cmd_blk(u_short * cmd_blk) -{ - - int i; - unsigned long jif; - u_char status; - - /* enable interrupts */ - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - - /* do not write to the controller, if it is busy */ - for (jif = jiffies + ESDI_STAT_TIMEOUT; - time_after(jif, jiffies) && - (inb(ESDI_STATUS) & STATUS_BUSY); ) - ; - -#if 0 - printk("%s: i(1)=%ld\n", DEVICE_NAME, jif); -#endif - - /* if device is still busy - then just time out */ - if (inb(ESDI_STATUS) & STATUS_BUSY) { - printk("%s: ps2esdi_out_cmd timed out (1)\n", DEVICE_NAME); - return ERROR; - } /* timeout ??? */ - /* Set up the attention register in the controller */ - outb(((*cmd_blk) & 0xE0) | 1, ESDI_ATTN); - -#if 0 - printk("%s: sending %d words to controller\n", DEVICE_NAME, (((*cmd_blk) >> 14) + 1) << 1); -#endif - - /* one by one send each word out */ - for (i = (((*cmd_blk) >> 14) + 1) << 1; i; i--) { - status = inb(ESDI_STATUS); - for (jif = jiffies + ESDI_STAT_TIMEOUT; - time_after(jif, jiffies) && (status & STATUS_BUSY) && - (status & STATUS_CMD_INF); status = inb(ESDI_STATUS)); - if ((status & (STATUS_BUSY | STATUS_CMD_INF)) == STATUS_BUSY) { -#if 0 - printk("%s: sending %04X\n", DEVICE_NAME, *cmd_blk); -#endif - outw(*cmd_blk++, ESDI_CMD_INT); - } else { - printk("%s: ps2esdi_out_cmd timed out while sending command (status=%02X)\n", - DEVICE_NAME, status); - return ERROR; - } - } /* send all words out */ - return OK; -} /* send out the commands */ - - -/* prepare for dma - do all the necessary setup */ -static void ps2esdi_prep_dma(char *buffer, u_short length, u_char dma_xmode) -{ - unsigned long flags = claim_dma_lock(); - - mca_disable_dma(dma_arb_level); - - mca_set_dma_addr(dma_arb_level, isa_virt_to_bus(buffer)); - - mca_set_dma_count(dma_arb_level, length * 512 / 2); - - mca_set_dma_mode(dma_arb_level, dma_xmode); - - mca_enable_dma(dma_arb_level); - - release_dma_lock(flags); - -} /* prepare for dma */ - - - -static irqreturn_t ps2esdi_interrupt_handler(int irq, void *dev_id) -{ - u_int int_ret_code; - - if (inb(ESDI_STATUS) & STATUS_INTR) { - int_ret_code = inb(ESDI_INTRPT); - if (current_int_handler) { - /* Disable adapter interrupts till processing is finished */ - outb(CTRL_DISABLE_INTR, ESDI_CONTROL); - current_int_handler(int_ret_code); - } else - printk("%s: help ! No interrupt handler.\n", DEVICE_NAME); - } else { - return IRQ_NONE; - } - return IRQ_HANDLED; -} - -static void ps2esdi_initial_reset_int_handler(u_int int_ret_code) -{ - - switch (int_ret_code & 0xf) { - case INT_RESET: - /*BA */ - printk("%s: initial reset completed.\n", DEVICE_NAME); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - wake_up(&ps2esdi_int); - break; - case INT_ATTN_ERROR: - printk("%s: Attention error. interrupt status : %02X\n", DEVICE_NAME, - int_ret_code); - printk("%s: status: %02x\n", DEVICE_NAME, inb(ESDI_STATUS)); - break; - default: - printk("%s: initial reset handler received interrupt: %02X\n", - DEVICE_NAME, int_ret_code); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - break; - } - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); -} - - -static void ps2esdi_geometry_int_handler(u_int int_ret_code) -{ - u_int status, drive_num; - unsigned long rba; - int i; - - drive_num = int_ret_code >> 5; - switch (int_ret_code & 0xf) { - case INT_CMD_COMPLETE: - for (i = ESDI_TIMEOUT; i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL); i--); - if (!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) { - printk("%s: timeout reading status word\n", DEVICE_NAME); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - break; - } - status = inw(ESDI_STT_INT); - if ((status & 0x1F) == CMD_GET_DEV_CONFIG) { -#define REPLY_WORDS 5 /* we already read word 0 */ - u_short reply[REPLY_WORDS]; - - if (ps2esdi_read_status_words((status >> 8) - 1, REPLY_WORDS, reply)) { - /*BA */ - printk("%s: Device Configuration Status for drive %u\n", - DEVICE_NAME, drive_num); - - printk("%s: Spares/cyls: %u", DEVICE_NAME, reply[0] >> 8); - - printk - ("Config bits: %s%s%s%s%s\n", - (reply[0] & CONFIG_IS) ? "Invalid Secondary, " : "", - ((reply[0] & CONFIG_ZD) && !(reply[0] & CONFIG_IS)) - ? "Zero Defect, " : "Defects Present, ", - (reply[0] & CONFIG_SF) ? "Skewed Format, " : "", - (reply[0] & CONFIG_FR) ? "Removable, " : "Non-Removable, ", - (reply[0] & CONFIG_RT) ? "No Retries" : "Retries"); - - rba = reply[1] | ((unsigned long) reply[2] << 16); - printk("%s: Number of RBA's: %lu\n", DEVICE_NAME, rba); - - printk("%s: Physical number of cylinders: %u, Sectors/Track: %u, Heads: %u\n", - DEVICE_NAME, reply[3], reply[4] >> 8, reply[4] & 0xff); - - if (!ps2esdi_info[drive_num].head) { - ps2esdi_info[drive_num].head = 64; - ps2esdi_info[drive_num].sect = 32; - ps2esdi_info[drive_num].cyl = rba / (64 * 32); - ps2esdi_info[drive_num].wpcom = 0; - ps2esdi_info[drive_num].lzone = ps2esdi_info[drive_num].cyl; - ps2esdi_info[drive_num].ctl = 8; - if (tp720esdi) { /* store the retrieved parameters */ - ps2esdi_info[0].head = reply[4] & 0Xff; - ps2esdi_info[0].sect = reply[4] >> 8; - ps2esdi_info[0].cyl = reply[3]; - ps2esdi_info[0].wpcom = 0; - ps2esdi_info[0].lzone = reply[3]; - } else { - if (!intg_esdi) - ps2esdi_drives++; - } - } -#ifdef OBSOLETE - if (!ps2esdi_info[drive_num].head) { - ps2esdi_info[drive_num].head = reply[4] & 0Xff; - ps2esdi_info[drive_num].sect = reply[4] >> 8; - ps2esdi_info[drive_num].cyl = reply[3]; - ps2esdi_info[drive_num].wpcom = 0; - ps2esdi_info[drive_num].lzone = reply[3]; - if (tp720esdi) { /* store the retrieved parameters */ - ps2esdi_info[0].head = reply[4] & 0Xff; - ps2esdi_info[0].sect = reply[4] >> 8; - ps2esdi_info[0].cyl = reply[3]; - ps2esdi_info[0].wpcom = 0; - ps2esdi_info[0].lzone = reply[3]; - } else { - ps2esdi_drives++; - } - } -#endif - - } else - printk("%s: failed while getting device config\n", DEVICE_NAME); -#undef REPLY_WORDS - } else - printk("%s: command %02X unknown by geometry handler\n", - DEVICE_NAME, status & 0x1f); - - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - break; - - case INT_ATTN_ERROR: - printk("%s: Attention error. interrupt status : %02X\n", DEVICE_NAME, - int_ret_code); - printk("%s: Device not available\n", DEVICE_NAME); - break; - case INT_CMD_ECC: - case INT_CMD_RETRY: - case INT_CMD_ECC_RETRY: - case INT_CMD_WARNING: - case INT_CMD_ABORT: - case INT_CMD_FAILED: - case INT_DMA_ERR: - case INT_CMD_BLK_ERR: - /*BA */ printk("%s: Whaa. Error occurred...\n", DEVICE_NAME); - dump_cmd_complete_status(int_ret_code); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - break; - default: - printk("%s: Unknown interrupt reason: %02X\n", - DEVICE_NAME, int_ret_code & 0xf); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - break; - } - - wake_up(&ps2esdi_int); - no_int_yet = FALSE; - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - -} - -static void ps2esdi_normal_interrupt_handler(u_int int_ret_code) -{ - unsigned long flags; - u_int status; - u_int ending; - int i; - - switch (int_ret_code & 0x0f) { - case INT_TRANSFER_REQ: - ps2esdi_prep_dma(current_req->buffer, - current_req->current_nr_sectors, - (rq_data_dir(current_req) == READ) - ? MCA_DMA_MODE_16 | MCA_DMA_MODE_WRITE | MCA_DMA_MODE_XFER - : MCA_DMA_MODE_16 | MCA_DMA_MODE_READ); - outb(CTRL_ENABLE_DMA | CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = -1; - break; - - case INT_ATTN_ERROR: - printk("%s: Attention error. interrupt status : %02X\n", DEVICE_NAME, - int_ret_code); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = FAIL; - break; - - case INT_CMD_COMPLETE: - for (i = ESDI_TIMEOUT; i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL); i--); - if (!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) { - printk("%s: timeout reading status word\n", DEVICE_NAME); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - if ((++current_req->errors) >= MAX_RETRIES) - ending = FAIL; - else - ending = -1; - break; - } - status = inw(ESDI_STT_INT); - switch (status & 0x1F) { - case (CMD_READ & 0xff): - case (CMD_WRITE & 0xff): - LITE_OFF; - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = SUCCES; - break; - default: - printk("%s: interrupt for unknown command %02X\n", - DEVICE_NAME, status & 0x1f); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = -1; - break; - } - break; - case INT_CMD_ECC: - case INT_CMD_RETRY: - case INT_CMD_ECC_RETRY: - LITE_OFF; - dump_cmd_complete_status(int_ret_code); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = SUCCES; - break; - case INT_CMD_WARNING: - case INT_CMD_ABORT: - case INT_CMD_FAILED: - case INT_DMA_ERR: - LITE_OFF; - dump_cmd_complete_status(int_ret_code); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - if ((++current_req->errors) >= MAX_RETRIES) - ending = FAIL; - else - ending = -1; - break; - - case INT_CMD_BLK_ERR: - dump_cmd_complete_status(int_ret_code); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = FAIL; - break; - - case INT_CMD_FORMAT: - printk("%s: huh ? Who issued this format command ?\n" - ,DEVICE_NAME); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = -1; - break; - - case INT_RESET: - /* BA printk("%s: reset completed.\n", DEVICE_NAME) */ ; - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = -1; - break; - - default: - printk("%s: Unknown interrupt reason: %02X\n", - DEVICE_NAME, int_ret_code & 0xf); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = -1; - break; - } - if(ending != -1) { - spin_lock_irqsave(&ps2esdi_lock, flags); - end_request(current_req, ending); - current_req = NULL; - do_ps2esdi_request(ps2esdi_queue); - spin_unlock_irqrestore(&ps2esdi_lock, flags); - } -} /* handle interrupts */ - - - -static int ps2esdi_read_status_words(int num_words, - int max_words, - u_short * buffer) -{ - int i; - - for (; max_words && num_words; max_words--, num_words--, buffer++) { - for (i = ESDI_TIMEOUT; i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL); i--); - if (!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) { - printk("%s: timeout reading status word\n", DEVICE_NAME); - return FAIL; - } - *buffer = inw(ESDI_STT_INT); - } - return SUCCES; -} - - - - -static void dump_cmd_complete_status(u_int int_ret_code) -{ -#define WAIT_FOR_STATUS \ - for(i=ESDI_TIMEOUT;i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL);i--); \ - if(!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) { \ - printk("%s: timeout reading status word\n",DEVICE_NAME); \ - return; \ - } - - int i, word_count; - u_short stat_word; - u_long rba; - - printk("%s: Device: %u, interrupt ID: %02X\n", - DEVICE_NAME, int_ret_code >> 5, - int_ret_code & 0xf); - - WAIT_FOR_STATUS; - stat_word = inw(ESDI_STT_INT); - word_count = (stat_word >> 8) - 1; - printk("%s: %u status words, command: %02X\n", DEVICE_NAME, word_count, - stat_word & 0xff); - - if (word_count--) { - WAIT_FOR_STATUS; - stat_word = inw(ESDI_STT_INT); - printk("%s: command status code: %02X, command error code: %02X\n", - DEVICE_NAME, stat_word >> 8, stat_word & 0xff); - } - if (word_count--) { - WAIT_FOR_STATUS; - stat_word = inw(ESDI_STT_INT); - printk("%s: device error code: %s%s%s%s%s,%02X\n", DEVICE_NAME, - (stat_word & 0x1000) ? "Ready, " : "Not Ready, ", - (stat_word & 0x0800) ? "Selected, " : "Not Selected, ", - (stat_word & 0x0400) ? "Write Fault, " : "", - (stat_word & 0x0200) ? "Track 0, " : "", - (stat_word & 0x0100) ? "Seek or command complete, " : "", - stat_word >> 8); - } - if (word_count--) { - WAIT_FOR_STATUS; - stat_word = inw(ESDI_STT_INT); - printk("%s: Blocks to do: %u", DEVICE_NAME, stat_word); - } - if (word_count -= 2) { - WAIT_FOR_STATUS; - rba = inw(ESDI_STT_INT); - WAIT_FOR_STATUS; - rba |= inw(ESDI_STT_INT) << 16; - printk(", Last Cyl: %u Head: %u Sector: %u\n", - (u_short) ((rba & 0x1ff80000) >> 11), - (u_short) ((rba & 0x7E0) >> 5), (u_short) (rba & 0x1f)); - } else - printk("\n"); - - if (word_count--) { - WAIT_FOR_STATUS; - stat_word = inw(ESDI_STT_INT); - printk("%s: Blocks required ECC: %u", DEVICE_NAME, stat_word); - } - printk("\n"); - -#undef WAIT_FOR_STATUS - -} - -static int ps2esdi_getgeo(struct block_device *bdev, struct hd_geometry *geo) -{ - struct ps2esdi_i_struct *p = bdev->bd_disk->private_data; - - geo->heads = p->head; - geo->sectors = p->sect; - geo->cylinders = p->cyl; - return 0; -} - -static void ps2esdi_reset_timer(unsigned long unused) -{ - - int status; - - status = inb(ESDI_INTRPT); - if ((status & 0xf) == INT_RESET) { - outb((status & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - reset_status = 1; - } - wake_up(&ps2esdi_int); -} diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c index 9e61fca46117..41ca721d2523 100644 --- a/drivers/block/viodasd.c +++ b/drivers/block/viodasd.c @@ -528,8 +528,7 @@ static int block_event_to_scatterlist(const struct vioblocklpevent *bevent, numsg = VIOMAXBLOCKDMA; *total_len = 0; - memset(sg, 0, sizeof(sg[0]) * VIOMAXBLOCKDMA); - + sg_init_table(sg, VIOMAXBLOCKDMA); for (i = 0; (i < numsg) && (rw_data->dma_info[i].len > 0); ++i) { sg_dma_address(&sg[i]) = rw_data->dma_info[i].token; sg_dma_len(&sg[i]) = rw_data->dma_info[i].len; diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 3b1a68d6eddb..0cfbe8c594a5 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -238,6 +238,7 @@ static int virtblk_probe(struct virtio_device *vdev) vblk->disk->first_minor = index_to_minor(index); vblk->disk->private_data = vblk; vblk->disk->fops = &virtblk_fops; + vblk->disk->driverfs_dev = &vdev->dev; index++; /* If barriers are supported, tell block layer that queue is ordered */ diff --git a/drivers/bluetooth/hci_usb.c b/drivers/bluetooth/hci_usb.c index f16c94cbf488..8b884f87d8b7 100644 --- a/drivers/bluetooth/hci_usb.c +++ b/drivers/bluetooth/hci_usb.c @@ -149,6 +149,9 @@ static struct usb_device_id blacklist_ids[] = { { USB_DEVICE(0x0400, 0x0807), .driver_info = HCI_BROKEN_ISOC }, { USB_DEVICE(0x0400, 0x080a), .driver_info = HCI_BROKEN_ISOC }, + /* CONWISE Technology based adapters with buggy SCO support */ + { USB_DEVICE(0x0e5e, 0x6622), .driver_info = HCI_BROKEN_ISOC }, + /* Belkin F8T012 and F8T013 devices */ { USB_DEVICE(0x050d, 0x0012), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, { USB_DEVICE(0x050d, 0x0013), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, diff --git a/drivers/char/drm/ati_pcigart.c b/drivers/char/drm/ati_pcigart.c index d352dbb4ccf7..141f4dfa0a11 100644 --- a/drivers/char/drm/ati_pcigart.c +++ b/drivers/char/drm/ati_pcigart.c @@ -35,42 +35,23 @@ # define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ -static void *drm_ati_alloc_pcigart_table(int order) +static int drm_ati_alloc_pcigart_table(struct drm_device *dev, + struct drm_ati_pcigart_info *gart_info) { - unsigned long address; - struct page *page; - int i; - - DRM_DEBUG("%d order\n", order); - - address = __get_free_pages(GFP_KERNEL | __GFP_COMP, - order); - if (address == 0UL) { - return NULL; - } - - page = virt_to_page(address); - - for (i = 0; i < order; i++, page++) - SetPageReserved(page); + gart_info->table_handle = drm_pci_alloc(dev, gart_info->table_size, + PAGE_SIZE, + gart_info->table_mask); + if (gart_info->table_handle == NULL) + return -ENOMEM; - DRM_DEBUG("returning 0x%08lx\n", address); - return (void *)address; + return 0; } -static void drm_ati_free_pcigart_table(void *address, int order) +static void drm_ati_free_pcigart_table(struct drm_device *dev, + struct drm_ati_pcigart_info *gart_info) { - struct page *page; - int i; - int num_pages = 1 << order; - DRM_DEBUG("\n"); - - page = virt_to_page((unsigned long)address); - - for (i = 0; i < num_pages; i++, page++) - ClearPageReserved(page); - - free_pages((unsigned long)address, order); + drm_pci_free(dev, gart_info->table_handle); + gart_info->table_handle = NULL; } int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info) @@ -78,8 +59,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info struct drm_sg_mem *entry = dev->sg; unsigned long pages; int i; - int order; - int num_pages, max_pages; + int max_pages; /* we need to support large memory configurations */ if (!entry) { @@ -87,15 +67,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info return 0; } - order = drm_order((gart_info->table_size + (PAGE_SIZE-1)) / PAGE_SIZE); - num_pages = 1 << order; - if (gart_info->bus_addr) { - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { - pci_unmap_single(dev->pdev, gart_info->bus_addr, - num_pages * PAGE_SIZE, - PCI_DMA_TODEVICE); - } max_pages = (gart_info->table_size / sizeof(u32)); pages = (entry->pages <= max_pages) @@ -112,10 +84,9 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info gart_info->bus_addr = 0; } - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN - && gart_info->addr) { - drm_ati_free_pcigart_table(gart_info->addr, order); - gart_info->addr = NULL; + if (gart_info->gart_table_location == DRM_ATI_GART_MAIN && + gart_info->table_handle) { + drm_ati_free_pcigart_table(dev, gart_info); } return 1; @@ -127,11 +98,10 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga struct drm_sg_mem *entry = dev->sg; void *address = NULL; unsigned long pages; - u32 *pci_gart, page_base, bus_address = 0; + u32 *pci_gart, page_base; + dma_addr_t bus_address = 0; int i, j, ret = 0; - int order; int max_pages; - int num_pages; if (!entry) { DRM_ERROR("no scatter/gather memory!\n"); @@ -141,36 +111,20 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n"); - order = drm_order((gart_info->table_size + - (PAGE_SIZE-1)) / PAGE_SIZE); - num_pages = 1 << order; - address = drm_ati_alloc_pcigart_table(order); - if (!address) { + ret = drm_ati_alloc_pcigart_table(dev, gart_info); + if (ret) { DRM_ERROR("cannot allocate PCI GART page!\n"); goto done; } - if (!dev->pdev) { - DRM_ERROR("PCI device unknown!\n"); - goto done; - } - - bus_address = pci_map_single(dev->pdev, address, - num_pages * PAGE_SIZE, - PCI_DMA_TODEVICE); - if (bus_address == 0) { - DRM_ERROR("unable to map PCIGART pages!\n"); - order = drm_order((gart_info->table_size + - (PAGE_SIZE-1)) / PAGE_SIZE); - drm_ati_free_pcigart_table(address, order); - address = NULL; - goto done; - } + address = gart_info->table_handle->vaddr; + bus_address = gart_info->table_handle->busaddr; } else { address = gart_info->addr; bus_address = gart_info->bus_addr; - DRM_DEBUG("PCI: Gart Table: VRAM %08X mapped at %08lX\n", - bus_address, (unsigned long)address); + DRM_DEBUG("PCI: Gart Table: VRAM %08LX mapped at %08lX\n", + (unsigned long long)bus_address, + (unsigned long)address); } pci_gart = (u32 *) address; @@ -214,6 +168,12 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga } } + if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) + dma_sync_single_for_device(&dev->pdev->dev, + bus_address, + max_pages * sizeof(u32), + PCI_DMA_TODEVICE); + ret = 1; #if defined(__i386__) || defined(__x86_64__) diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index a6789f25009b..8ea9dd1717a9 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -54,6 +54,7 @@ #include <linux/pci.h> #include <linux/jiffies.h> #include <linux/smp_lock.h> /* For (un)lock_kernel */ +#include <linux/dma-mapping.h> #include <linux/mm.h> #include <linux/cdev.h> #include <linux/mutex.h> @@ -551,6 +552,8 @@ struct drm_ati_pcigart_info { int gart_reg_if; void *addr; dma_addr_t bus_addr; + dma_addr_t table_mask; + struct drm_dma_handle *table_handle; drm_local_map_t mapping; int table_size; }; diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c index 3992f73299cc..f09d4b5002b0 100644 --- a/drivers/char/drm/drm_fops.c +++ b/drivers/char/drm/drm_fops.c @@ -326,6 +326,7 @@ int drm_release(struct inode *inode, struct file *filp) struct drm_file *file_priv = filp->private_data; struct drm_device *dev = file_priv->head->dev; int retcode = 0; + unsigned long irqflags; lock_kernel(); @@ -357,9 +358,11 @@ int drm_release(struct inode *inode, struct file *filp) */ do{ - spin_lock(&dev->lock.spinlock); + spin_lock_irqsave(&dev->lock.spinlock, + irqflags); locked = dev->lock.idle_has_lock; - spin_unlock(&dev->lock.spinlock); + spin_unlock_irqrestore(&dev->lock.spinlock, + irqflags); if (locked) break; schedule(); diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c index bea2a7d5b2b2..12dcdd1832f0 100644 --- a/drivers/char/drm/drm_lock.c +++ b/drivers/char/drm/drm_lock.c @@ -53,6 +53,7 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) DECLARE_WAITQUEUE(entry, current); struct drm_lock *lock = data; int ret = 0; + unsigned long irqflags; ++file_priv->lock_count; @@ -71,9 +72,9 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) return -EINVAL; add_wait_queue(&dev->lock.lock_queue, &entry); - spin_lock(&dev->lock.spinlock); + spin_lock_irqsave(&dev->lock.spinlock, irqflags); dev->lock.user_waiters++; - spin_unlock(&dev->lock.spinlock); + spin_unlock_irqrestore(&dev->lock.spinlock, irqflags); for (;;) { __set_current_state(TASK_INTERRUPTIBLE); if (!dev->lock.hw_lock) { @@ -95,9 +96,9 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) break; } } - spin_lock(&dev->lock.spinlock); + spin_lock_irqsave(&dev->lock.spinlock, irqflags); dev->lock.user_waiters--; - spin_unlock(&dev->lock.spinlock); + spin_unlock_irqrestore(&dev->lock.spinlock, irqflags); __set_current_state(TASK_RUNNING); remove_wait_queue(&dev->lock.lock_queue, &entry); @@ -198,8 +199,9 @@ int drm_lock_take(struct drm_lock_data *lock_data, { unsigned int old, new, prev; volatile unsigned int *lock = &lock_data->hw_lock->lock; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); do { old = *lock; if (old & _DRM_LOCK_HELD) @@ -211,7 +213,7 @@ int drm_lock_take(struct drm_lock_data *lock_data, } prev = cmpxchg(lock, old, new); } while (prev != old); - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); if (_DRM_LOCKING_CONTEXT(old) == context) { if (old & _DRM_LOCK_HELD) { @@ -272,15 +274,16 @@ int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context) { unsigned int old, new, prev; volatile unsigned int *lock = &lock_data->hw_lock->lock; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); if (lock_data->kernel_waiters != 0) { drm_lock_transfer(lock_data, 0); lock_data->idle_has_lock = 1; - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); return 1; } - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); do { old = *lock; @@ -344,19 +347,20 @@ static int drm_notifier(void *priv) void drm_idlelock_take(struct drm_lock_data *lock_data) { int ret = 0; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); lock_data->kernel_waiters++; if (!lock_data->idle_has_lock) { - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); ret = drm_lock_take(lock_data, DRM_KERNEL_CONTEXT); - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); if (ret == 1) lock_data->idle_has_lock = 1; } - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); } EXPORT_SYMBOL(drm_idlelock_take); @@ -364,8 +368,9 @@ void drm_idlelock_release(struct drm_lock_data *lock_data) { unsigned int old, prev; volatile unsigned int *lock = &lock_data->hw_lock->lock; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); if (--lock_data->kernel_waiters == 0) { if (lock_data->idle_has_lock) { do { @@ -376,7 +381,7 @@ void drm_idlelock_release(struct drm_lock_data *lock_data) lock_data->idle_has_lock = 0; } } - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); } EXPORT_SYMBOL(drm_idlelock_release); diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index 715b361f0c2b..a6a499f97e22 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -205,9 +205,9 @@ {0x1002, 0x71D6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x71DA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_NEW_MEMMAP}, \ {0x1002, 0x71DE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x7200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x7210, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x7211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x7200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x7210, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x7211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7243, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7244, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \ @@ -238,6 +238,7 @@ {0x1002, 0x7834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x791e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \ + {0x1002, 0x791f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/drivers/char/drm/drm_scatter.c b/drivers/char/drm/drm_scatter.c index 26d8f675ed5d..b2b0f3d41714 100644 --- a/drivers/char/drm/drm_scatter.c +++ b/drivers/char/drm/drm_scatter.c @@ -36,6 +36,15 @@ #define DEBUG_SCATTER 0 +static inline void *drm_vmalloc_dma(unsigned long size) +{ +#if defined(__powerpc__) && defined(CONFIG_NOT_COHERENT_CACHE) + return __vmalloc(size, GFP_KERNEL, PAGE_KERNEL | _PAGE_NO_CACHE); +#else + return vmalloc_32(size); +#endif +} + void drm_sg_cleanup(struct drm_sg_mem * entry) { struct page *page; @@ -104,7 +113,7 @@ int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request) } memset((void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr)); - entry->virtual = vmalloc_32(pages << PAGE_SHIFT); + entry->virtual = drm_vmalloc_dma(pages << PAGE_SHIFT); if (!entry->virtual) { drm_free(entry->busaddr, entry->pages * sizeof(*entry->busaddr), DRM_MEM_PAGES); diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index 3d65c4dcd0c6..945df72a51a9 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -54,13 +54,24 @@ static pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma) pgprot_val(tmp) |= _PAGE_NO_CACHE; if (map_type == _DRM_REGISTERS) pgprot_val(tmp) |= _PAGE_GUARDED; -#endif -#if defined(__ia64__) +#elif defined(__ia64__) if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start)) tmp = pgprot_writecombine(tmp); else tmp = pgprot_noncached(tmp); +#elif defined(__sparc__) + tmp = pgprot_noncached(tmp); +#endif + return tmp; +} + +static pgprot_t drm_dma_prot(uint32_t map_type, struct vm_area_struct *vma) +{ + pgprot_t tmp = vm_get_page_prot(vma->vm_flags); + +#if defined(__powerpc__) && defined(CONFIG_NOT_COHERENT_CACHE) + tmp |= _PAGE_NO_CACHE; #endif return tmp; } @@ -603,9 +614,6 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) offset = dev->driver->get_reg_ofs(dev); vma->vm_flags |= VM_IO; /* not in core dump */ vma->vm_page_prot = drm_io_prot(map->type, vma); -#ifdef __sparc__ - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); -#endif if (io_remap_pfn_range(vma, vma->vm_start, (map->offset + offset) >> PAGE_SHIFT, vma->vm_end - vma->vm_start, @@ -624,6 +632,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) page_to_pfn(virt_to_page(map->handle)), vma->vm_end - vma->vm_start, vma->vm_page_prot)) return -EAGAIN; + vma->vm_page_prot = drm_dma_prot(map->type, vma); /* fall through to _DRM_SHM */ case _DRM_SHM: vma->vm_ops = &drm_vm_shm_ops; @@ -631,6 +640,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) /* Don't let this area swap. Change when DRM_KERNEL advisory is supported. */ vma->vm_flags |= VM_RESERVED; + vma->vm_page_prot = drm_dma_prot(map->type, vma); break; case _DRM_SCATTER_GATHER: vma->vm_ops = &drm_vm_sg_ops; diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index e9d6663bec73..a043bb12301a 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -804,6 +804,9 @@ void i915_driver_lastclose(struct drm_device * dev) { drm_i915_private_t *dev_priv = dev->dev_private; + if (!dev_priv) + return; + if (dev_priv->agp_heap) i915_mem_takedown(&(dev_priv->agp_heap)); diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c index 892e0a589846..f36adbd3aaf5 100644 --- a/drivers/char/drm/r128_cce.c +++ b/drivers/char/drm/r128_cce.c @@ -558,6 +558,7 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init) #if __OS_HAS_AGP if (dev_priv->is_pci) { #endif + dev_priv->gart_info.table_mask = DMA_BIT_MASK(32); dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN; dev_priv->gart_info.table_size = R128_PCIGART_TABLE_SIZE; dev_priv->gart_info.addr = NULL; diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c index 0f4afc44245c..f535812e4057 100644 --- a/drivers/char/drm/r300_cmdbuf.c +++ b/drivers/char/drm/r300_cmdbuf.c @@ -729,6 +729,47 @@ static void r300_discard_buffer(struct drm_device * dev, struct drm_buf * buf) buf->used = 0; } +static void r300_cmd_wait(drm_radeon_private_t * dev_priv, + drm_r300_cmd_header_t header) +{ + u32 wait_until; + RING_LOCALS; + + if (!header.wait.flags) + return; + + wait_until = 0; + + switch(header.wait.flags) { + case R300_WAIT_2D: + wait_until = RADEON_WAIT_2D_IDLE; + break; + case R300_WAIT_3D: + wait_until = RADEON_WAIT_3D_IDLE; + break; + case R300_NEW_WAIT_2D_3D: + wait_until = RADEON_WAIT_2D_IDLE|RADEON_WAIT_3D_IDLE; + break; + case R300_NEW_WAIT_2D_2D_CLEAN: + wait_until = RADEON_WAIT_2D_IDLE|RADEON_WAIT_2D_IDLECLEAN; + break; + case R300_NEW_WAIT_3D_3D_CLEAN: + wait_until = RADEON_WAIT_3D_IDLE|RADEON_WAIT_3D_IDLECLEAN; + break; + case R300_NEW_WAIT_2D_2D_CLEAN_3D_3D_CLEAN: + wait_until = RADEON_WAIT_2D_IDLE|RADEON_WAIT_2D_IDLECLEAN; + wait_until |= RADEON_WAIT_3D_IDLE|RADEON_WAIT_3D_IDLECLEAN; + break; + default: + return; + } + + BEGIN_RING(2); + OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); + OUT_RING(wait_until); + ADVANCE_RING(); +} + static int r300_scratch(drm_radeon_private_t *dev_priv, drm_radeon_kcmd_buffer_t *cmdbuf, drm_r300_cmd_header_t header) @@ -909,19 +950,8 @@ int r300_do_cp_cmdbuf(struct drm_device *dev, break; case R300_CMD_WAIT: - /* simple enough, we can do it here */ DRM_DEBUG("R300_CMD_WAIT\n"); - if (header.wait.flags == 0) - break; /* nothing to do */ - - { - RING_LOCALS; - - BEGIN_RING(2); - OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); - OUT_RING((header.wait.flags & 0xf) << 14); - ADVANCE_RING(); - } + r300_cmd_wait(dev_priv, header); break; case R300_CMD_SCRATCH: diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index 833abc7e55fb..9072e4a1894e 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -1807,6 +1807,7 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init) } else #endif { + dev_priv->gart_info.table_mask = DMA_BIT_MASK(32); /* if we have an offset set from userspace */ if (dev_priv->pcigart_offset_set) { dev_priv->gart_info.bus_addr = diff --git a/drivers/char/drm/radeon_drm.h b/drivers/char/drm/radeon_drm.h index 71e5b21fad2c..aab82e121e07 100644 --- a/drivers/char/drm/radeon_drm.h +++ b/drivers/char/drm/radeon_drm.h @@ -225,8 +225,20 @@ typedef union { #define R300_CMD_WAIT 7 # define R300_WAIT_2D 0x1 # define R300_WAIT_3D 0x2 +/* these two defines are DOING IT WRONG - however + * we have userspace which relies on using these. + * The wait interface is backwards compat new + * code should use the NEW_WAIT defines below + * THESE ARE NOT BIT FIELDS + */ # define R300_WAIT_2D_CLEAN 0x3 # define R300_WAIT_3D_CLEAN 0x4 + +# define R300_NEW_WAIT_2D_3D 0x3 +# define R300_NEW_WAIT_2D_2D_CLEAN 0x4 +# define R300_NEW_WAIT_3D_3D_CLEAN 0x6 +# define R300_NEW_WAIT_2D_2D_CLEAN_3D_3D_CLEAN 0x8 + #define R300_CMD_SCRATCH 8 typedef union { diff --git a/drivers/char/drm/radeon_mem.c b/drivers/char/drm/radeon_mem.c index 78b34fa7c89a..4af5286a36fb 100644 --- a/drivers/char/drm/radeon_mem.c +++ b/drivers/char/drm/radeon_mem.c @@ -88,7 +88,7 @@ static struct mem_block *alloc_block(struct mem_block *heap, int size, list_for_each(p, heap) { int start = (p->start + mask) & ~mask; - if (p->file_priv == 0 && start + size <= p->start + p->size) + if (p->file_priv == NULL && start + size <= p->start + p->size) return split_block(p, start, size, file_priv); } @@ -113,7 +113,7 @@ static void free_block(struct mem_block *p) /* Assumes a single contiguous range. Needs a special file_priv in * 'heap' to stop it being subsumed. */ - if (p->next->file_priv == 0) { + if (p->next->file_priv == NULL) { struct mem_block *q = p->next; p->size += q->size; p->next = q->next; @@ -121,7 +121,7 @@ static void free_block(struct mem_block *p) drm_free(q, sizeof(*q), DRM_MEM_BUFS); } - if (p->prev->file_priv == 0) { + if (p->prev->file_priv == NULL) { struct mem_block *q = p->prev; q->size += p->size; q->next = p->next; @@ -174,7 +174,7 @@ void radeon_mem_release(struct drm_file *file_priv, struct mem_block *heap) * 'heap' to stop it being subsumed. */ list_for_each(p, heap) { - while (p->file_priv == 0 && p->next->file_priv == 0) { + while (p->file_priv == NULL && p->next->file_priv == NULL) { struct mem_block *q = p->next; p->size += q->size; p->next = q->next; diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c index 94baec692b57..7a339dba6a69 100644 --- a/drivers/char/drm/via_dma.c +++ b/drivers/char/drm/via_dma.c @@ -126,6 +126,8 @@ via_cmdbuf_wait(drm_via_private_t * dev_priv, unsigned int size) hw_addr, cur_addr, next_addr); return -1; } + if ((cur_addr < hw_addr) && (next_addr >= hw_addr)) + msleep(1); } while ((cur_addr < hw_addr) && (next_addr >= hw_addr)); return 0; } @@ -416,27 +418,50 @@ static int via_hook_segment(drm_via_private_t * dev_priv, int paused, count; volatile uint32_t *paused_at = dev_priv->last_pause_ptr; uint32_t reader,ptr; + uint32_t diff; paused = 0; via_flush_write_combine(); (void) *(volatile uint32_t *)(via_get_dma(dev_priv) -1); + *paused_at = pause_addr_lo; via_flush_write_combine(); (void) *paused_at; + reader = *(dev_priv->hw_addr_ptr); ptr = ((volatile char *)paused_at - dev_priv->dma_ptr) + dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4; + dev_priv->last_pause_ptr = via_get_dma(dev_priv) - 1; - if ((ptr - reader) <= dev_priv->dma_diff ) { - count = 10000000; - while (!(paused = (VIA_READ(0x41c) & 0x80000000)) && count--); + /* + * If there is a possibility that the command reader will + * miss the new pause address and pause on the old one, + * In that case we need to program the new start address + * using PCI. + */ + + diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff; + count = 10000000; + while(diff == 0 && count--) { + paused = (VIA_READ(0x41c) & 0x80000000); + if (paused) + break; + reader = *(dev_priv->hw_addr_ptr); + diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff; } + paused = VIA_READ(0x41c) & 0x80000000; + if (paused && !no_pci_fire) { reader = *(dev_priv->hw_addr_ptr); - if ((ptr - reader) == dev_priv->dma_diff) { - + diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff; + diff &= (dev_priv->dma_high - 1); + if (diff != 0 && diff < (dev_priv->dma_high >> 1)) { + DRM_ERROR("Paused at incorrect address. " + "0x%08x, 0x%08x 0x%08x\n", + ptr, reader, dev_priv->dma_diff); + } else if (diff == 0) { /* * There is a concern that these writes may stall the PCI bus * if the GPU is not idle. However, idling the GPU first @@ -577,6 +602,7 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv) uint32_t pause_addr_lo, pause_addr_hi; uint32_t jump_addr_lo, jump_addr_hi; volatile uint32_t *last_pause_ptr; + uint32_t dma_low_save1, dma_low_save2; agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr; via_align_cmd(dev_priv, HC_HAGPBpID_JUMP, 0, &jump_addr_hi, @@ -603,8 +629,29 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv) &pause_addr_lo, 0); *last_pause_ptr = pause_addr_lo; + dma_low_save1 = dev_priv->dma_low; - via_hook_segment( dev_priv, jump_addr_hi, jump_addr_lo, 0); + /* + * Now, set a trap that will pause the regulator if it tries to rerun the old + * command buffer. (Which may happen if via_hook_segment detecs a command regulator pause + * and reissues the jump command over PCI, while the regulator has already taken the jump + * and actually paused at the current buffer end). + * There appears to be no other way to detect this condition, since the hw_addr_pointer + * does not seem to get updated immediately when a jump occurs. + */ + + last_pause_ptr = + via_align_cmd(dev_priv, HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, + &pause_addr_lo, 0) - 1; + via_align_cmd(dev_priv, HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, + &pause_addr_lo, 0); + *last_pause_ptr = pause_addr_lo; + + dma_low_save2 = dev_priv->dma_low; + dev_priv->dma_low = dma_low_save1; + via_hook_segment(dev_priv, jump_addr_hi, jump_addr_lo, 0); + dev_priv->dma_low = dma_low_save2; + via_hook_segment(dev_priv, pause_addr_hi, pause_addr_lo, 0); } diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c index 33c5197b73c4..409e00afdd07 100644 --- a/drivers/char/drm/via_dmablit.c +++ b/drivers/char/drm/via_dmablit.c @@ -603,7 +603,7 @@ via_build_sg_info(struct drm_device *dev, drm_via_sg_info_t *vsg, drm_via_dmabli * (Not a big limitation anyway.) */ - if ((xfer->mem_stride - xfer->line_length) >= PAGE_SIZE) { + if ((xfer->mem_stride - xfer->line_length) > 2*PAGE_SIZE) { DRM_ERROR("Too large system memory stride. Stride: %d, " "Length: %d\n", xfer->mem_stride, xfer->line_length); return -EINVAL; diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 6bbd4fa50f3b..8d6c2089d2a8 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -9,7 +9,14 @@ config HW_RANDOM Hardware Random Number Generator Core infrastructure. To compile this driver as a module, choose M here: the - module will be called rng-core. + module will be called rng-core. This provides a device + that's usually called /dev/hw_random, and which exposes one + of possibly several hardware random number generators. + + These hardware random number generators do not feed directly + into the kernel's random number generator. That is usually + handled by the "rngd" daemon. Documentation/hw_random.txt + has more information. If unsure, say Y. diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index 46b2a1cc8b54..0c09409fa45d 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -1183,7 +1183,7 @@ static int copy_from_read_buf(struct tty_struct *tty, return retval; } -extern ssize_t redirected_tty_write(struct file *, const char *, +extern ssize_t redirected_tty_write(struct file *, const char __user *, size_t, loff_t *); /** diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index 6d0dc5f9b6bb..6a6843a0a674 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -438,7 +438,7 @@ static void read_mem32(u32 *buf, const void __iomem *mem_addr_start, u32 size_bytes) { u32 i = 0; - const u32 *ptr = (__force u32 *) mem_addr_start; + const u32 __iomem *ptr = mem_addr_start; u16 *buf16; if (unlikely(!ptr || !buf)) @@ -448,11 +448,11 @@ static void read_mem32(u32 *buf, const void __iomem *mem_addr_start, switch (size_bytes) { case 2: /* 2 bytes */ buf16 = (u16 *) buf; - *buf16 = __le16_to_cpu(readw((void __iomem *)ptr)); + *buf16 = __le16_to_cpu(readw(ptr)); goto out; break; case 4: /* 4 bytes */ - *(buf) = __le32_to_cpu(readl((void __iomem *)ptr)); + *(buf) = __le32_to_cpu(readl(ptr)); goto out; break; } @@ -461,11 +461,11 @@ static void read_mem32(u32 *buf, const void __iomem *mem_addr_start, if (size_bytes - i == 2) { /* Handle 2 bytes in the end */ buf16 = (u16 *) buf; - *(buf16) = __le16_to_cpu(readw((void __iomem *)ptr)); + *(buf16) = __le16_to_cpu(readw(ptr)); i += 2; } else { /* Read 4 bytes */ - *(buf) = __le32_to_cpu(readl((void __iomem *)ptr)); + *(buf) = __le32_to_cpu(readl(ptr)); i += 4; } buf++; @@ -484,7 +484,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, const u32 *buf, u32 size_bytes) { u32 i = 0; - u32 *ptr = (__force u32 *) mem_addr_start; + u32 __iomem *ptr = mem_addr_start; const u16 *buf16; if (unlikely(!ptr || !buf)) @@ -494,7 +494,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, const u32 *buf, switch (size_bytes) { case 2: /* 2 bytes */ buf16 = (const u16 *)buf; - writew(__cpu_to_le16(*buf16), (void __iomem *)ptr); + writew(__cpu_to_le16(*buf16), ptr); return 2; break; case 1: /* @@ -502,7 +502,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, const u32 *buf, * so falling through.. */ case 4: /* 4 bytes */ - writel(__cpu_to_le32(*buf), (void __iomem *)ptr); + writel(__cpu_to_le32(*buf), ptr); return 4; break; } @@ -511,11 +511,11 @@ static u32 write_mem32(void __iomem *mem_addr_start, const u32 *buf, if (size_bytes - i == 2) { /* 2 bytes */ buf16 = (const u16 *)buf; - writew(__cpu_to_le16(*buf16), (void __iomem *)ptr); + writew(__cpu_to_le16(*buf16), ptr); i += 2; } else { /* 4 bytes */ - writel(__cpu_to_le32(*buf), (void __iomem *)ptr); + writel(__cpu_to_le32(*buf), ptr); i += 4; } buf++; diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 589ac6f65b9a..3f9d0a9ac36d 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -1709,7 +1709,7 @@ static int __init riscom8_init_module (void) if (iobase || iobase1 || iobase2 || iobase3) { for(i = 0; i < RC_NBOARD; i++) - rc_board[0].base = 0; + rc_board[i].base = 0; } if (iobase) diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c index 72f289279d8f..f585bc8579e9 100644 --- a/drivers/char/rocket.c +++ b/drivers/char/rocket.c @@ -83,6 +83,7 @@ #include <linux/pci.h> #include <asm/uaccess.h> #include <asm/atomic.h> +#include <asm/unaligned.h> #include <linux/bitops.h> #include <linux/spinlock.h> #include <linux/init.h> @@ -1312,7 +1313,7 @@ static int rp_tiocmset(struct tty_struct *tty, struct file *file, if (clear & TIOCM_DTR) info->channel.TxControl[3] &= ~SET_DTR; - sOutDW(info->channel.IndexAddr, *(DWord_t *) & (info->channel.TxControl[0])); + out32(info->channel.IndexAddr, info->channel.TxControl); return 0; } @@ -1748,7 +1749,7 @@ static int rp_write(struct tty_struct *tty, /* Write remaining data into the port's xmit_buf */ while (1) { - if (info->tty == 0) /* Seemingly obligatory check... */ + if (!info->tty) /* Seemingly obligatory check... */ goto end; c = min(count, min(XMIT_BUF_SIZE - info->xmit_cnt - 1, XMIT_BUF_SIZE - info->xmit_head)); @@ -2798,7 +2799,7 @@ static int sReadAiopNumChan(WordIO_t io) static Byte_t R[4] = { 0x00, 0x00, 0x34, 0x12 }; /* write to chan 0 SRAM */ - sOutDW((DWordIO_t) io + _INDX_ADDR, *((DWord_t *) & R[0])); + out32((DWordIO_t) io + _INDX_ADDR, R); sOutW(io + _INDX_ADDR, 0); /* read from SRAM, chan 0 */ x = sInW(io + _INDX_DATA); sOutW(io + _INDX_ADDR, 0x4000); /* read from SRAM, chan 4 */ @@ -2864,7 +2865,7 @@ static int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum, R[1] = RData[i + 1] + 0x10 * ChanNum; R[2] = RData[i + 2]; R[3] = RData[i + 3]; - sOutDW(ChP->IndexAddr, *((DWord_t *) & R[0])); + out32(ChP->IndexAddr, R); } ChR = ChP->R; @@ -2887,43 +2888,43 @@ static int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum, ChP->BaudDiv[1] = (Byte_t) ((ChOff + _BAUD) >> 8); ChP->BaudDiv[2] = (Byte_t) brd9600; ChP->BaudDiv[3] = (Byte_t) (brd9600 >> 8); - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->BaudDiv[0]); + out32(ChP->IndexAddr, ChP->BaudDiv); ChP->TxControl[0] = (Byte_t) (ChOff + _TX_CTRL); ChP->TxControl[1] = (Byte_t) ((ChOff + _TX_CTRL) >> 8); ChP->TxControl[2] = 0; ChP->TxControl[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]); + out32(ChP->IndexAddr, ChP->TxControl); ChP->RxControl[0] = (Byte_t) (ChOff + _RX_CTRL); ChP->RxControl[1] = (Byte_t) ((ChOff + _RX_CTRL) >> 8); ChP->RxControl[2] = 0; ChP->RxControl[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]); + out32(ChP->IndexAddr, ChP->RxControl); ChP->TxEnables[0] = (Byte_t) (ChOff + _TX_ENBLS); ChP->TxEnables[1] = (Byte_t) ((ChOff + _TX_ENBLS) >> 8); ChP->TxEnables[2] = 0; ChP->TxEnables[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxEnables[0]); + out32(ChP->IndexAddr, ChP->TxEnables); ChP->TxCompare[0] = (Byte_t) (ChOff + _TXCMP1); ChP->TxCompare[1] = (Byte_t) ((ChOff + _TXCMP1) >> 8); ChP->TxCompare[2] = 0; ChP->TxCompare[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxCompare[0]); + out32(ChP->IndexAddr, ChP->TxCompare); ChP->TxReplace1[0] = (Byte_t) (ChOff + _TXREP1B1); ChP->TxReplace1[1] = (Byte_t) ((ChOff + _TXREP1B1) >> 8); ChP->TxReplace1[2] = 0; ChP->TxReplace1[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxReplace1[0]); + out32(ChP->IndexAddr, ChP->TxReplace1); ChP->TxReplace2[0] = (Byte_t) (ChOff + _TXREP2); ChP->TxReplace2[1] = (Byte_t) ((ChOff + _TXREP2) >> 8); ChP->TxReplace2[2] = 0; ChP->TxReplace2[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxReplace2[0]); + out32(ChP->IndexAddr, ChP->TxReplace2); ChP->TxFIFOPtrs = ChOff + _TXF_OUTP; ChP->TxFIFO = ChOff + _TX_FIFO; @@ -2979,7 +2980,7 @@ static void sStopRxProcessor(CHANNEL_T * ChP) R[1] = ChP->R[1]; R[2] = 0x0a; R[3] = ChP->R[3]; - sOutDW(ChP->IndexAddr, *(DWord_t *) & R[0]); + out32(ChP->IndexAddr, R); } /*************************************************************************** @@ -3094,13 +3095,13 @@ static int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data) *WordPtr = ChP->TxPrioBuf; /* data byte address */ DWBuf[2] = Data; /* data byte value */ - sOutDW(IndexAddr, *((DWord_t *) (&DWBuf[0]))); /* write it out */ + out32(IndexAddr, DWBuf); /* write it out */ *WordPtr = ChP->TxPrioCnt; /* Tx priority count address */ DWBuf[2] = PRI_PEND + 1; /* indicate 1 byte pending */ DWBuf[3] = 0; /* priority buffer pointer */ - sOutDW(IndexAddr, *((DWord_t *) (&DWBuf[0]))); /* write it out */ + out32(IndexAddr, DWBuf); /* write it out */ } else { /* write it to Tx FIFO */ sWriteTxByte(sGetTxRxDataIO(ChP), Data); @@ -3147,11 +3148,11 @@ static void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags) ChP->RxControl[2] |= ((Byte_t) Flags & (RXINT_EN | SRCINT_EN | MCINT_EN)); - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]); + out32(ChP->IndexAddr, ChP->RxControl); ChP->TxControl[2] |= ((Byte_t) Flags & TXINT_EN); - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]); + out32(ChP->IndexAddr, ChP->TxControl); if (Flags & CHANINT_EN) { Mask = sInB(ChP->IntMask) | sBitMapSetTbl[ChP->ChanNum]; @@ -3190,9 +3191,9 @@ static void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags) ChP->RxControl[2] &= ~((Byte_t) Flags & (RXINT_EN | SRCINT_EN | MCINT_EN)); - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]); + out32(ChP->IndexAddr, ChP->RxControl); ChP->TxControl[2] &= ~((Byte_t) Flags & TXINT_EN); - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]); + out32(ChP->IndexAddr, ChP->TxControl); if (Flags & CHANINT_EN) { Mask = sInB(ChP->IntMask) & sBitMapClrTbl[ChP->ChanNum]; diff --git a/drivers/char/rocket_int.h b/drivers/char/rocket_int.h index f3a75791b811..b01d38125a8f 100644 --- a/drivers/char/rocket_int.h +++ b/drivers/char/rocket_int.h @@ -26,7 +26,6 @@ typedef unsigned int ByteIO_t; typedef unsigned int Word_t; typedef unsigned int WordIO_t; -typedef unsigned long DWord_t; typedef unsigned int DWordIO_t; /* @@ -38,7 +37,6 @@ typedef unsigned int DWordIO_t; * instruction. */ -#ifdef ROCKET_DEBUG_IO static inline void sOutB(unsigned short port, unsigned char value) { #ifdef ROCKET_DEBUG_IO @@ -55,12 +53,13 @@ static inline void sOutW(unsigned short port, unsigned short value) outw_p(value, port); } -static inline void sOutDW(unsigned short port, unsigned long value) +static inline void out32(unsigned short port, Byte_t *p) { + u32 value = le32_to_cpu(get_unaligned((__le32 *)p)); #ifdef ROCKET_DEBUG_IO - printk(KERN_DEBUG "sOutDW(%x, %lx)...\n", port, value); + printk(KERN_DEBUG "out32(%x, %lx)...\n", port, value); #endif - outl_p(cpu_to_le32(value), port); + outl_p(value, port); } static inline unsigned char sInB(unsigned short port) @@ -73,14 +72,6 @@ static inline unsigned short sInW(unsigned short port) return inw_p(port); } -#else /* !ROCKET_DEBUG_IO */ -#define sOutB(a, b) outb_p(b, a) -#define sOutW(a, b) outw_p(b, a) -#define sOutDW(port, value) outl_p(cpu_to_le32(value), port) -#define sInB(a) (inb_p(a)) -#define sInW(a) (inw_p(a)) -#endif /* ROCKET_DEBUG_IO */ - /* This is used to move arrays of bytes so byte swapping isn't appropriate. */ #define sOutStrW(port, addr, count) if (count) outsw(port, addr, count) #define sInStrW(port, addr, count) if (count) insw(port, addr, count) @@ -390,7 +381,7 @@ Call: sClrBreak(ChP) #define sClrBreak(ChP) \ do { \ (ChP)->TxControl[3] &= ~SETBREAK; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -402,7 +393,7 @@ Call: sClrDTR(ChP) #define sClrDTR(ChP) \ do { \ (ChP)->TxControl[3] &= ~SET_DTR; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -415,7 +406,7 @@ Call: sClrRTS(ChP) do { \ if ((ChP)->rtsToggle) break; \ (ChP)->TxControl[3] &= ~SET_RTS; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -489,7 +480,7 @@ Call: sDisCTSFlowCtl(ChP) #define sDisCTSFlowCtl(ChP) \ do { \ (ChP)->TxControl[2] &= ~CTSFC_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -501,7 +492,7 @@ Call: sDisIXANY(ChP) #define sDisIXANY(ChP) \ do { \ (ChP)->R[0x0e] = 0x86; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x0c]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x0c]); \ } while (0) /*************************************************************************** @@ -515,7 +506,7 @@ Comments: Function sSetParity() can be used in place of functions sEnParity(), #define sDisParity(ChP) \ do { \ (ChP)->TxControl[2] &= ~PARITY_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -527,7 +518,7 @@ Call: sDisRTSToggle(ChP) #define sDisRTSToggle(ChP) \ do { \ (ChP)->TxControl[2] &= ~RTSTOG_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ (ChP)->rtsToggle = 0; \ } while (0) @@ -540,7 +531,7 @@ Call: sDisRxFIFO(ChP) #define sDisRxFIFO(ChP) \ do { \ (ChP)->R[0x32] = 0x0a; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x30]); \ } while (0) /*************************************************************************** @@ -567,7 +558,7 @@ Call: sDisTransmit(ChP) #define sDisTransmit(ChP) \ do { \ (ChP)->TxControl[3] &= ~TX_ENABLE; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -579,7 +570,7 @@ Call: sDisTxSoftFlowCtl(ChP) #define sDisTxSoftFlowCtl(ChP) \ do { \ (ChP)->R[0x06] = 0x8a; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \ } while (0) /*************************************************************************** @@ -604,7 +595,7 @@ Call: sEnCTSFlowCtl(ChP) #define sEnCTSFlowCtl(ChP) \ do { \ (ChP)->TxControl[2] |= CTSFC_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -616,7 +607,7 @@ Call: sEnIXANY(ChP) #define sEnIXANY(ChP) \ do { \ (ChP)->R[0x0e] = 0x21; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x0c]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x0c]); \ } while (0) /*************************************************************************** @@ -633,7 +624,7 @@ Warnings: Before enabling parity odd or even parity should be chosen using #define sEnParity(ChP) \ do { \ (ChP)->TxControl[2] |= PARITY_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -647,10 +638,10 @@ Comments: This function will disable RTS flow control and clear the RTS #define sEnRTSToggle(ChP) \ do { \ (ChP)->RxControl[2] &= ~RTSFC_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->RxControl); \ (ChP)->TxControl[2] |= RTSTOG_EN; \ (ChP)->TxControl[3] &= ~SET_RTS; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ (ChP)->rtsToggle = 1; \ } while (0) @@ -663,7 +654,7 @@ Call: sEnRxFIFO(ChP) #define sEnRxFIFO(ChP) \ do { \ (ChP)->R[0x32] = 0x08; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x30]); \ } while (0) /*************************************************************************** @@ -684,7 +675,7 @@ Warnings: This function must be called after valid microcode has been #define sEnRxProcessor(ChP) \ do { \ (ChP)->RxControl[2] |= RXPROC_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->RxControl); \ } while (0) /*************************************************************************** @@ -708,7 +699,7 @@ Call: sEnTransmit(ChP) #define sEnTransmit(ChP) \ do { \ (ChP)->TxControl[3] |= TX_ENABLE; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -720,7 +711,7 @@ Call: sEnTxSoftFlowCtl(ChP) #define sEnTxSoftFlowCtl(ChP) \ do { \ (ChP)->R[0x06] = 0xc5; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \ } while (0) /*************************************************************************** @@ -927,7 +918,7 @@ Call: sSendBreak(ChP) #define sSendBreak(ChP) \ do { \ (ChP)->TxControl[3] |= SETBREAK; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -941,7 +932,7 @@ Call: sSetBaud(ChP,Divisor) do { \ (ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \ (ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->BaudDiv[0]); \ + out32((ChP)->IndexAddr,(ChP)->BaudDiv); \ } while (0) /*************************************************************************** @@ -953,7 +944,7 @@ Call: sSetData7(ChP) #define sSetData7(ChP) \ do { \ (ChP)->TxControl[2] &= ~DATA8BIT; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -965,7 +956,7 @@ Call: sSetData8(ChP) #define sSetData8(ChP) \ do { \ (ChP)->TxControl[2] |= DATA8BIT; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -977,7 +968,7 @@ Call: sSetDTR(ChP) #define sSetDTR(ChP) \ do { \ (ChP)->TxControl[3] |= SET_DTR; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -994,7 +985,7 @@ Warnings: This function has no effect unless parity is enabled with function #define sSetEvenParity(ChP) \ do { \ (ChP)->TxControl[2] |= EVEN_PAR; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -1011,7 +1002,7 @@ Warnings: This function has no effect unless parity is enabled with function #define sSetOddParity(ChP) \ do { \ (ChP)->TxControl[2] &= ~EVEN_PAR; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -1024,7 +1015,7 @@ Call: sSetRTS(ChP) do { \ if ((ChP)->rtsToggle) break; \ (ChP)->TxControl[3] |= SET_RTS; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -1050,7 +1041,7 @@ Comments: An interrupt will be generated when the trigger level is reached do { \ (ChP)->RxControl[2] &= ~TRIG_MASK; \ (ChP)->RxControl[2] |= LEVEL; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->RxControl); \ } while (0) /*************************************************************************** @@ -1062,7 +1053,7 @@ Call: sSetStop1(ChP) #define sSetStop1(ChP) \ do { \ (ChP)->TxControl[2] &= ~STOP2; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -1074,7 +1065,7 @@ Call: sSetStop2(ChP) #define sSetStop2(ChP) \ do { \ (ChP)->TxControl[2] |= STOP2; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -1087,7 +1078,7 @@ Call: sSetTxXOFFChar(ChP,Ch) #define sSetTxXOFFChar(ChP,CH) \ do { \ (ChP)->R[0x07] = (CH); \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \ } while (0) /*************************************************************************** @@ -1100,7 +1091,7 @@ Call: sSetTxXONChar(ChP,Ch) #define sSetTxXONChar(ChP,CH) \ do { \ (ChP)->R[0x0b] = (CH); \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x08]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x08]); \ } while (0) /*************************************************************************** @@ -1113,7 +1104,7 @@ Comments: This function is used to start a Rx processor after it was will restart both the Rx processor and software input flow control. */ -#define sStartRxProcessor(ChP) sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0]) +#define sStartRxProcessor(ChP) out32((ChP)->IndexAddr,&(ChP)->R[0]) /*************************************************************************** Function: sWriteTxByte diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c index 5732ca3259f9..b6fe7e7a2c2f 100644 --- a/drivers/connector/cn_queue.c +++ b/drivers/connector/cn_queue.c @@ -146,7 +146,7 @@ struct cn_queue_dev *cn_queue_alloc_dev(char *name, struct sock *nls) dev->nls = nls; - dev->cn_queue = create_workqueue(dev->name); + dev->cn_queue = create_singlethread_workqueue(dev->name); if (!dev->cn_queue) { kfree(dev); return NULL; diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index d73663a52324..fc555a90bb21 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -67,7 +67,7 @@ static void cpuidle_idle_call(void) /* enter the state and update stats */ dev->last_residency = target_state->enter(dev, target_state); dev->last_state = target_state; - target_state->time += dev->last_residency; + target_state->time += (unsigned long long)dev->last_residency; target_state->usage++; /* give the governor an opportunity to reflect on the outcome */ @@ -224,7 +224,7 @@ static void poll_idle_init(struct cpuidle_device *dev) state->exit_latency = 0; state->target_residency = 0; state->power_usage = -1; - state->flags = CPUIDLE_FLAG_POLL | CPUIDLE_FLAG_TIME_VALID; + state->flags = CPUIDLE_FLAG_POLL; state->enter = poll_idle; } #else diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index 69102ca05685..e949618b9be0 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -218,6 +218,12 @@ static ssize_t show_state_##_name(struct cpuidle_state *state, char *buf) \ return sprintf(buf, "%u\n", state->_name);\ } +#define define_show_state_ull_function(_name) \ +static ssize_t show_state_##_name(struct cpuidle_state *state, char *buf) \ +{ \ + return sprintf(buf, "%llu\n", state->_name);\ +} + #define define_show_state_str_function(_name) \ static ssize_t show_state_##_name(struct cpuidle_state *state, char *buf) \ { \ @@ -228,8 +234,8 @@ static ssize_t show_state_##_name(struct cpuidle_state *state, char *buf) \ define_show_state_function(exit_latency) define_show_state_function(power_usage) -define_show_state_function(usage) -define_show_state_function(time) +define_show_state_ull_function(usage) +define_show_state_ull_function(time) define_show_state_str_function(name) define_show_state_str_function(desc) diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index 3110bf7014f7..81f3f950cd7d 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -392,8 +392,8 @@ static atomic_t hifn_dev_number; struct hifn_desc { - volatile u32 l; - volatile u32 p; + volatile __le32 l; + volatile __le32 p; }; struct hifn_dma { @@ -481,10 +481,10 @@ struct hifn_device struct hifn_base_command { - volatile u16 masks; - volatile u16 session_num; - volatile u16 total_source_count; - volatile u16 total_dest_count; + volatile __le16 masks; + volatile __le16 session_num; + volatile __le16 total_source_count; + volatile __le16 total_dest_count; }; #define HIFN_BASE_CMD_COMP 0x0100 /* enable compression engine */ @@ -504,10 +504,10 @@ struct hifn_base_command */ struct hifn_crypt_command { - volatile u16 masks; - volatile u16 header_skip; - volatile u16 source_count; - volatile u16 reserved; + volatile __le16 masks; + volatile __le16 header_skip; + volatile __le16 source_count; + volatile __le16 reserved; }; #define HIFN_CRYPT_CMD_ALG_MASK 0x0003 /* algorithm: */ @@ -670,7 +670,7 @@ static inline u32 hifn_read_0(struct hifn_device *dev, u32 reg) { u32 ret; - ret = readl((char *)(dev->bar[0]) + reg); + ret = readl(dev->bar[0] + reg); return ret; } @@ -679,19 +679,19 @@ static inline u32 hifn_read_1(struct hifn_device *dev, u32 reg) { u32 ret; - ret = readl((char *)(dev->bar[1]) + reg); + ret = readl(dev->bar[1] + reg); return ret; } static inline void hifn_write_0(struct hifn_device *dev, u32 reg, u32 val) { - writel(val, (char *)(dev->bar[0]) + reg); + writel(val, dev->bar[0] + reg); } static inline void hifn_write_1(struct hifn_device *dev, u32 reg, u32 val) { - writel(val, (char *)(dev->bar[1]) + reg); + writel(val, dev->bar[1] + reg); } static void hifn_wait_puc(struct hifn_device *dev) diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 29965231b912..8db0e7f9d3f4 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -357,7 +357,7 @@ int dma_async_device_register(struct dma_device *device) !device->device_prep_dma_zero_sum); BUG_ON(dma_has_cap(DMA_MEMSET, device->cap_mask) && !device->device_prep_dma_memset); - BUG_ON(dma_has_cap(DMA_ZERO_SUM, device->cap_mask) && + BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) && !device->device_prep_dma_interrupt); BUG_ON(!device->device_alloc_chan_resources); diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index cc9a68158d99..72692309398a 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -57,12 +57,12 @@ static void dma_init(struct fsl_dma_chan *fsl_chan) } -static void set_sr(struct fsl_dma_chan *fsl_chan, dma_addr_t val) +static void set_sr(struct fsl_dma_chan *fsl_chan, u32 val) { DMA_OUT(fsl_chan, &fsl_chan->reg_base->sr, val, 32); } -static dma_addr_t get_sr(struct fsl_dma_chan *fsl_chan) +static u32 get_sr(struct fsl_dma_chan *fsl_chan) { return DMA_IN(fsl_chan, &fsl_chan->reg_base->sr, 32); } @@ -123,6 +123,11 @@ static dma_addr_t get_ndar(struct fsl_dma_chan *fsl_chan) return DMA_IN(fsl_chan, &fsl_chan->reg_base->ndar, 64); } +static u32 get_bcr(struct fsl_dma_chan *fsl_chan) +{ + return DMA_IN(fsl_chan, &fsl_chan->reg_base->bcr, 32); +} + static int dma_is_idle(struct fsl_dma_chan *fsl_chan) { u32 sr = get_sr(fsl_chan); @@ -406,6 +411,35 @@ static void fsl_dma_free_chan_resources(struct dma_chan *chan) dma_pool_destroy(fsl_chan->desc_pool); } +static struct dma_async_tx_descriptor * +fsl_dma_prep_interrupt(struct dma_chan *chan) +{ + struct fsl_dma_chan *fsl_chan; + struct fsl_desc_sw *new; + + if (!chan) + return NULL; + + fsl_chan = to_fsl_chan(chan); + + new = fsl_dma_alloc_descriptor(fsl_chan); + if (!new) { + dev_err(fsl_chan->dev, "No free memory for link descriptor\n"); + return NULL; + } + + new->async_tx.cookie = -EBUSY; + new->async_tx.ack = 0; + + /* Insert the link descriptor to the LD ring */ + list_add_tail(&new->node, &new->async_tx.tx_list); + + /* Set End-of-link to the last link descriptor of new list*/ + set_ld_eol(fsl_chan, new); + + return &new->async_tx; +} + static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy( struct dma_chan *chan, dma_addr_t dma_dest, dma_addr_t dma_src, size_t len, unsigned long flags) @@ -436,7 +470,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy( dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new); #endif - copy = min(len, FSL_DMA_BCR_MAX_CNT); + copy = min(len, (size_t)FSL_DMA_BCR_MAX_CNT); set_desc_cnt(fsl_chan, &new->hw, copy); set_desc_src(fsl_chan, &new->hw, dma_src); @@ -513,7 +547,6 @@ static void fsl_chan_ld_cleanup(struct fsl_dma_chan *fsl_chan) spin_lock_irqsave(&fsl_chan->desc_lock, flags); - fsl_dma_update_completed_cookie(fsl_chan); dev_dbg(fsl_chan->dev, "chan completed_cookie = %d\n", fsl_chan->completed_cookie); list_for_each_entry_safe(desc, _desc, &fsl_chan->ld_queue, node) { @@ -581,8 +614,8 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan) if (ld_node != &fsl_chan->ld_queue) { /* Get the ld start address from ld_queue */ next_dest_addr = to_fsl_desc(ld_node)->async_tx.phys; - dev_dbg(fsl_chan->dev, "xfer LDs staring from 0x%016llx\n", - (u64)next_dest_addr); + dev_dbg(fsl_chan->dev, "xfer LDs staring from %p\n", + (void *)next_dest_addr); set_cdar(fsl_chan, next_dest_addr); dma_start(fsl_chan); } else { @@ -662,7 +695,7 @@ static enum dma_status fsl_dma_is_complete(struct dma_chan *chan, static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data) { struct fsl_dma_chan *fsl_chan = (struct fsl_dma_chan *)data; - dma_addr_t stat; + u32 stat; stat = get_sr(fsl_chan); dev_dbg(fsl_chan->dev, "event: channel %d, stat = 0x%x\n", @@ -676,15 +709,32 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data) if (stat & FSL_DMA_SR_TE) dev_err(fsl_chan->dev, "Transfer Error!\n"); + /* Programming Error + * The DMA_INTERRUPT async_tx is a NULL transfer, which will + * triger a PE interrupt. + */ + if (stat & FSL_DMA_SR_PE) { + dev_dbg(fsl_chan->dev, "event: Programming Error INT\n"); + if (get_bcr(fsl_chan) == 0) { + /* BCR register is 0, this is a DMA_INTERRUPT async_tx. + * Now, update the completed cookie, and continue the + * next uncompleted transfer. + */ + fsl_dma_update_completed_cookie(fsl_chan); + fsl_chan_xfer_ld_queue(fsl_chan); + } + stat &= ~FSL_DMA_SR_PE; + } + /* If the link descriptor segment transfer finishes, * we will recycle the used descriptor. */ if (stat & FSL_DMA_SR_EOSI) { dev_dbg(fsl_chan->dev, "event: End-of-segments INT\n"); - dev_dbg(fsl_chan->dev, "event: clndar 0x%016llx, " - "nlndar 0x%016llx\n", (u64)get_cdar(fsl_chan), - (u64)get_ndar(fsl_chan)); + dev_dbg(fsl_chan->dev, "event: clndar %p, nlndar %p\n", + (void *)get_cdar(fsl_chan), (void *)get_ndar(fsl_chan)); stat &= ~FSL_DMA_SR_EOSI; + fsl_dma_update_completed_cookie(fsl_chan); } /* If it current transfer is the end-of-transfer, @@ -726,12 +776,15 @@ static void dma_do_tasklet(unsigned long data) fsl_chan_ld_cleanup(fsl_chan); } +#ifdef FSL_DMA_CALLBACKTEST static void fsl_dma_callback_test(struct fsl_dma_chan *fsl_chan) { if (fsl_chan) dev_info(fsl_chan->dev, "selftest: callback is ok!\n"); } +#endif +#ifdef CONFIG_FSL_DMA_SELFTEST static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan) { struct dma_chan *chan; @@ -813,6 +866,11 @@ static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan) tx3 = fsl_dma_prep_memcpy(chan, dma_dest, dma_src, test_size / 4, 0); async_tx_ack(tx3); + /* Interrupt tx test */ + tx1 = fsl_dma_prep_interrupt(chan); + async_tx_ack(tx1); + cookie = fsl_dma_tx_submit(tx1); + /* Test exchanging the prepared tx sort */ cookie = fsl_dma_tx_submit(tx3); cookie = fsl_dma_tx_submit(tx2); @@ -837,9 +895,9 @@ static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan) if (err) { for (i = 0; (*(src + i) == *(dest + i)) && (i < test_size); i++); - dev_err(fsl_chan->dev, "selftest: Test failed, data %d/%d is " + dev_err(fsl_chan->dev, "selftest: Test failed, data %d/%ld is " "error! src 0x%x, dest 0x%x\n", - i, test_size, *(src + i), *(dest + i)); + i, (long)test_size, *(src + i), *(dest + i)); } free_resources: @@ -848,6 +906,7 @@ out: kfree(src); return err; } +#endif static int __devinit of_fsl_dma_chan_probe(struct of_device *dev, const struct of_device_id *match) @@ -1008,8 +1067,8 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev, } dev_info(&dev->dev, "Probe the Freescale DMA driver for %s " - "controller at 0x%08x...\n", - match->compatible, fdev->reg.start); + "controller at %p...\n", + match->compatible, (void *)fdev->reg.start); fdev->reg_base = ioremap(fdev->reg.start, fdev->reg.end - fdev->reg.start + 1); @@ -1017,6 +1076,7 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev, dma_cap_set(DMA_INTERRUPT, fdev->common.cap_mask); fdev->common.device_alloc_chan_resources = fsl_dma_alloc_chan_resources; fdev->common.device_free_chan_resources = fsl_dma_free_chan_resources; + fdev->common.device_prep_dma_interrupt = fsl_dma_prep_interrupt; fdev->common.device_prep_dma_memcpy = fsl_dma_prep_memcpy; fdev->common.device_is_tx_complete = fsl_dma_is_complete; fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending; diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h index ba78c42121ba..6faf07ba0d0e 100644 --- a/drivers/dma/fsldma.h +++ b/drivers/dma/fsldma.h @@ -40,6 +40,7 @@ #define FSL_DMA_MR_EOTIE 0x00000080 #define FSL_DMA_SR_CH 0x00000020 +#define FSL_DMA_SR_PE 0x00000010 #define FSL_DMA_SR_CB 0x00000004 #define FSL_DMA_SR_TE 0x00000080 #define FSL_DMA_SR_EOSI 0x00000002 @@ -74,12 +75,15 @@ #define FSL_DMA_DGSR_EOSI 0x02 #define FSL_DMA_DGSR_EOLSI 0x01 +typedef u64 __bitwise v64; +typedef u32 __bitwise v32; + struct fsl_dma_ld_hw { - u64 __bitwise src_addr; - u64 __bitwise dst_addr; - u64 __bitwise next_ln_addr; - u32 __bitwise count; - u32 __bitwise reserve; + v64 src_addr; + v64 dst_addr; + v64 next_ln_addr; + v32 count; + v32 reserve; } __attribute__((aligned(32))); struct fsl_desc_sw { @@ -91,13 +95,13 @@ struct fsl_desc_sw { } __attribute__((aligned(32))); struct fsl_dma_chan_regs { - u32 __bitwise mr; /* 0x00 - Mode Register */ - u32 __bitwise sr; /* 0x04 - Status Register */ - u64 __bitwise cdar; /* 0x08 - Current descriptor address register */ - u64 __bitwise sar; /* 0x10 - Source Address Register */ - u64 __bitwise dar; /* 0x18 - Destination Address Register */ - u32 __bitwise bcr; /* 0x20 - Byte Count Register */ - u64 __bitwise ndar; /* 0x24 - Next Descriptor Address Register */ + u32 mr; /* 0x00 - Mode Register */ + u32 sr; /* 0x04 - Status Register */ + u64 cdar; /* 0x08 - Current descriptor address register */ + u64 sar; /* 0x10 - Source Address Register */ + u64 dar; /* 0x18 - Destination Address Register */ + u32 bcr; /* 0x20 - Byte Count Register */ + u64 ndar; /* 0x24 - Next Descriptor Address Register */ }; struct fsl_dma_chan; @@ -150,25 +154,27 @@ struct fsl_dma_chan { #ifndef __powerpc64__ static u64 in_be64(const u64 __iomem *addr) { - return ((u64)in_be32((u32 *)addr) << 32) | (in_be32((u32 *)addr + 1)); + return ((u64)in_be32((u32 __iomem *)addr) << 32) | + (in_be32((u32 __iomem *)addr + 1)); } static void out_be64(u64 __iomem *addr, u64 val) { - out_be32((u32 *)addr, val >> 32); - out_be32((u32 *)addr + 1, (u32)val); + out_be32((u32 __iomem *)addr, val >> 32); + out_be32((u32 __iomem *)addr + 1, (u32)val); } /* There is no asm instructions for 64 bits reverse loads and stores */ static u64 in_le64(const u64 __iomem *addr) { - return ((u64)in_le32((u32 *)addr + 1) << 32) | (in_le32((u32 *)addr)); + return ((u64)in_le32((u32 __iomem *)addr + 1) << 32) | + (in_le32((u32 __iomem *)addr)); } static void out_le64(u64 __iomem *addr, u64 val) { - out_le32((u32 *)addr + 1, val >> 32); - out_le32((u32 *)addr, (u32)val); + out_le32((u32 __iomem *)addr + 1, val >> 32); + out_le32((u32 __iomem *)addr, (u32)val); } #endif @@ -181,9 +187,11 @@ static void out_le64(u64 __iomem *addr, u64 val) #define DMA_TO_CPU(fsl_chan, d, width) \ (((fsl_chan)->feature & FSL_DMA_BIG_ENDIAN) ? \ - be##width##_to_cpu(d) : le##width##_to_cpu(d)) + be##width##_to_cpu((__force __be##width)(v##width)d) : \ + le##width##_to_cpu((__force __le##width)(v##width)d)) #define CPU_TO_DMA(fsl_chan, c, width) \ (((fsl_chan)->feature & FSL_DMA_BIG_ENDIAN) ? \ - cpu_to_be##width(c) : cpu_to_le##width(c)) + (__force v##width)cpu_to_be##width(c) : \ + (__force v##width)cpu_to_le##width(c)) #endif /* __DMA_FSLDMA_H */ diff --git a/drivers/dma/ioat_dca.c b/drivers/dma/ioat_dca.c index 0fa8a98051a8..9e922760b7ff 100644 --- a/drivers/dma/ioat_dca.c +++ b/drivers/dma/ioat_dca.c @@ -98,7 +98,7 @@ struct ioat_dca_slot { struct ioat_dca_priv { void __iomem *iobase; - void *dca_base; + void __iomem *dca_base; int max_requesters; int requester_count; u8 tag_map[IOAT_TAG_MAP_LEN]; @@ -338,7 +338,7 @@ static struct dca_ops ioat2_dca_ops = { .get_tag = ioat2_dca_get_tag, }; -static int ioat2_dca_count_dca_slots(void *iobase, u16 dca_offset) +static int ioat2_dca_count_dca_slots(void __iomem *iobase, u16 dca_offset) { int slots = 0; u32 req; diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c index 3986d54492bd..f82b0906d466 100644 --- a/drivers/dma/iop-adma.c +++ b/drivers/dma/iop-adma.c @@ -140,7 +140,7 @@ static void __iop_adma_slot_cleanup(struct iop_adma_chan *iop_chan) int busy = iop_chan_is_busy(iop_chan); int seen_current = 0, slot_cnt = 0, slots_per_op = 0; - dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(iop_chan->device->common.dev, "%s\n", __func__); /* free completed slots from the chain starting with * the oldest descriptor */ @@ -438,7 +438,7 @@ iop_adma_tx_submit(struct dma_async_tx_descriptor *tx) spin_unlock_bh(&iop_chan->lock); dev_dbg(iop_chan->device->common.dev, "%s cookie: %d slot: %d\n", - __FUNCTION__, sw_desc->async_tx.cookie, sw_desc->idx); + __func__, sw_desc->async_tx.cookie, sw_desc->idx); return cookie; } @@ -520,7 +520,7 @@ iop_adma_prep_dma_interrupt(struct dma_chan *chan) struct iop_adma_desc_slot *sw_desc, *grp_start; int slot_cnt, slots_per_op; - dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(iop_chan->device->common.dev, "%s\n", __func__); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_interrupt_slot_count(&slots_per_op, iop_chan); @@ -548,7 +548,7 @@ iop_adma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dma_dest, BUG_ON(unlikely(len > IOP_ADMA_MAX_BYTE_COUNT)); dev_dbg(iop_chan->device->common.dev, "%s len: %u\n", - __FUNCTION__, len); + __func__, len); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_memcpy_slot_count(len, &slots_per_op); @@ -580,7 +580,7 @@ iop_adma_prep_dma_memset(struct dma_chan *chan, dma_addr_t dma_dest, BUG_ON(unlikely(len > IOP_ADMA_MAX_BYTE_COUNT)); dev_dbg(iop_chan->device->common.dev, "%s len: %u\n", - __FUNCTION__, len); + __func__, len); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_memset_slot_count(len, &slots_per_op); @@ -614,7 +614,7 @@ iop_adma_prep_dma_xor(struct dma_chan *chan, dma_addr_t dma_dest, dev_dbg(iop_chan->device->common.dev, "%s src_cnt: %d len: %u flags: %lx\n", - __FUNCTION__, src_cnt, len, flags); + __func__, src_cnt, len, flags); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_xor_slot_count(len, src_cnt, &slots_per_op); @@ -648,7 +648,7 @@ iop_adma_prep_dma_zero_sum(struct dma_chan *chan, dma_addr_t *dma_src, return NULL; dev_dbg(iop_chan->device->common.dev, "%s src_cnt: %d len: %u\n", - __FUNCTION__, src_cnt, len); + __func__, src_cnt, len); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_zero_sum_slot_count(len, src_cnt, &slots_per_op); @@ -659,7 +659,7 @@ iop_adma_prep_dma_zero_sum(struct dma_chan *chan, dma_addr_t *dma_src, iop_desc_set_zero_sum_byte_count(grp_start, len); grp_start->xor_check_result = result; pr_debug("\t%s: grp_start->xor_check_result: %p\n", - __FUNCTION__, grp_start->xor_check_result); + __func__, grp_start->xor_check_result); sw_desc->unmap_src_cnt = src_cnt; sw_desc->unmap_len = len; while (src_cnt--) @@ -700,7 +700,7 @@ static void iop_adma_free_chan_resources(struct dma_chan *chan) iop_chan->last_used = NULL; dev_dbg(iop_chan->device->common.dev, "%s slots_allocated %d\n", - __FUNCTION__, iop_chan->slots_allocated); + __func__, iop_chan->slots_allocated); spin_unlock_bh(&iop_chan->lock); /* one is ok since we left it on there on purpose */ @@ -753,7 +753,7 @@ static irqreturn_t iop_adma_eot_handler(int irq, void *data) { struct iop_adma_chan *chan = data; - dev_dbg(chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(chan->device->common.dev, "%s\n", __func__); tasklet_schedule(&chan->irq_tasklet); @@ -766,7 +766,7 @@ static irqreturn_t iop_adma_eoc_handler(int irq, void *data) { struct iop_adma_chan *chan = data; - dev_dbg(chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(chan->device->common.dev, "%s\n", __func__); tasklet_schedule(&chan->irq_tasklet); @@ -823,7 +823,7 @@ static int __devinit iop_adma_memcpy_self_test(struct iop_adma_device *device) int err = 0; struct iop_adma_chan *iop_chan; - dev_dbg(device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(device->common.dev, "%s\n", __func__); src = kzalloc(sizeof(u8) * IOP_ADMA_TEST_SIZE, GFP_KERNEL); if (!src) @@ -906,7 +906,7 @@ iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device) int err = 0; struct iop_adma_chan *iop_chan; - dev_dbg(device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(device->common.dev, "%s\n", __func__); for (src_idx = 0; src_idx < IOP_ADMA_NUM_SRC_TEST; src_idx++) { xor_srcs[src_idx] = alloc_page(GFP_KERNEL); @@ -1159,7 +1159,7 @@ static int __devinit iop_adma_probe(struct platform_device *pdev) } dev_dbg(&pdev->dev, "%s: allocted descriptor pool virt %p phys %p\n", - __FUNCTION__, adev->dma_desc_pool_virt, + __func__, adev->dma_desc_pool_virt, (void *) adev->dma_desc_pool); adev->id = plat_data->hw_id; @@ -1289,7 +1289,7 @@ static void iop_chan_start_null_memcpy(struct iop_adma_chan *iop_chan) dma_cookie_t cookie; int slot_cnt, slots_per_op; - dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(iop_chan->device->common.dev, "%s\n", __func__); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_memcpy_slot_count(0, &slots_per_op); @@ -1346,7 +1346,7 @@ static void iop_chan_start_null_xor(struct iop_adma_chan *iop_chan) dma_cookie_t cookie; int slot_cnt, slots_per_op; - dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(iop_chan->device->common.dev, "%s\n", __func__); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_xor_slot_count(0, 2, &slots_per_op); diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig index fe9e768cfbc4..25bdc2dd9ce1 100644 --- a/drivers/firewire/Kconfig +++ b/drivers/firewire/Kconfig @@ -1,5 +1,3 @@ -# -*- shell-script -*- - comment "An alternative FireWire stack is available with EXPERIMENTAL=y" depends on EXPERIMENTAL=n @@ -21,27 +19,7 @@ config FIREWIRE NOTE: You should only build ONE of the stacks, unless you REALLY know what - you are doing. If you install both, you should configure them only as - modules rather than link them statically, and you should blacklist one - of the concurrent low-level drivers in /etc/modprobe.conf. Add either - - blacklist firewire-ohci - or - blacklist ohci1394 - - there depending on which driver you DON'T want to have auto-loaded. - You can optionally do the same with the other IEEE 1394/ FireWire - drivers. - - If you have an old modprobe which doesn't implement the blacklist - directive, use either - - install firewire-ohci /bin/true - or - install ohci1394 /bin/true - - and so on, depending on which modules you DON't want to have - auto-loaded. + you are doing. config FIREWIRE_OHCI tristate "Support for OHCI FireWire host controllers" @@ -57,8 +35,24 @@ config FIREWIRE_OHCI NOTE: - If you also build ohci1394 of the classic stack, blacklist either - ohci1394 or firewire-ohci to let hotplug load only the desired driver. + You should only build ohci1394 or firewire-ohci, but not both. + If you nevertheless want to install both, you should configure them + only as modules and blacklist the driver(s) which you don't want to + have auto-loaded. Add either + + blacklist firewire-ohci + or + blacklist ohci1394 + blacklist video1394 + blacklist dv1394 + + to /etc/modprobe.conf or /etc/modprobe.d/* and update modprobe.conf + depending on your distribution. The latter two modules should be + blacklisted together with ohci1394 because they depend on ohci1394. + + If you have an old modprobe which doesn't implement the blacklist + directive, use "install modulename /bin/true" for the modules to be + blacklisted. config FIREWIRE_SBP2 tristate "Support for storage devices (SBP-2 protocol driver)" @@ -75,9 +69,3 @@ config FIREWIRE_SBP2 You should also enable support for disks, CD-ROMs, etc. in the SCSI configuration section. - - NOTE: - - If you also build sbp2 of the classic stack, blacklist either sbp2 - or firewire-sbp2 to let hotplug load only the desired driver. - diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index 7ebad3c14cb8..996d61f0d460 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c @@ -33,6 +33,10 @@ #include <asm/page.h> #include <asm/system.h> +#ifdef CONFIG_PPC_PMAC +#include <asm/pmac_feature.h> +#endif + #include "fw-ohci.h" #include "fw-transaction.h" @@ -175,6 +179,7 @@ struct fw_ohci { int generation; int request_generation; u32 bus_seconds; + bool old_uninorth; /* * Spinlock for accessing fw_ohci data. Never call out of @@ -276,19 +281,13 @@ static int ar_context_add_page(struct ar_context *ctx) { struct device *dev = ctx->ohci->card.device; struct ar_buffer *ab; - dma_addr_t ab_bus; + dma_addr_t uninitialized_var(ab_bus); size_t offset; - ab = (struct ar_buffer *) __get_free_page(GFP_ATOMIC); + ab = dma_alloc_coherent(dev, PAGE_SIZE, &ab_bus, GFP_ATOMIC); if (ab == NULL) return -ENOMEM; - ab_bus = dma_map_single(dev, ab, PAGE_SIZE, DMA_BIDIRECTIONAL); - if (dma_mapping_error(ab_bus)) { - free_page((unsigned long) ab); - return -ENOMEM; - } - memset(&ab->descriptor, 0, sizeof(ab->descriptor)); ab->descriptor.control = cpu_to_le16(DESCRIPTOR_INPUT_MORE | DESCRIPTOR_STATUS | @@ -299,8 +298,6 @@ static int ar_context_add_page(struct ar_context *ctx) ab->descriptor.res_count = cpu_to_le16(PAGE_SIZE - offset); ab->descriptor.branch_address = 0; - dma_sync_single_for_device(dev, ab_bus, PAGE_SIZE, DMA_BIDIRECTIONAL); - ctx->last_buffer->descriptor.branch_address = cpu_to_le32(ab_bus | 1); ctx->last_buffer->next = ab; ctx->last_buffer = ab; @@ -311,15 +308,22 @@ static int ar_context_add_page(struct ar_context *ctx) return 0; } +#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) +#define cond_le32_to_cpu(v) \ + (ohci->old_uninorth ? (__force __u32)(v) : le32_to_cpu(v)) +#else +#define cond_le32_to_cpu(v) le32_to_cpu(v) +#endif + static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) { struct fw_ohci *ohci = ctx->ohci; struct fw_packet p; u32 status, length, tcode; - p.header[0] = le32_to_cpu(buffer[0]); - p.header[1] = le32_to_cpu(buffer[1]); - p.header[2] = le32_to_cpu(buffer[2]); + p.header[0] = cond_le32_to_cpu(buffer[0]); + p.header[1] = cond_le32_to_cpu(buffer[1]); + p.header[2] = cond_le32_to_cpu(buffer[2]); tcode = (p.header[0] >> 4) & 0x0f; switch (tcode) { @@ -331,7 +335,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) break; case TCODE_READ_BLOCK_REQUEST : - p.header[3] = le32_to_cpu(buffer[3]); + p.header[3] = cond_le32_to_cpu(buffer[3]); p.header_length = 16; p.payload_length = 0; break; @@ -340,7 +344,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) case TCODE_READ_BLOCK_RESPONSE: case TCODE_LOCK_REQUEST: case TCODE_LOCK_RESPONSE: - p.header[3] = le32_to_cpu(buffer[3]); + p.header[3] = cond_le32_to_cpu(buffer[3]); p.header_length = 16; p.payload_length = p.header[3] >> 16; break; @@ -357,7 +361,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) /* FIXME: What to do about evt_* errors? */ length = (p.header_length + p.payload_length + 3) / 4; - status = le32_to_cpu(buffer[length]); + status = cond_le32_to_cpu(buffer[length]); p.ack = ((status >> 16) & 0x1f) - 16; p.speed = (status >> 21) & 0x7; @@ -375,7 +379,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) */ if (p.ack + 16 == 0x09) - ohci->request_generation = (buffer[2] >> 16) & 0xff; + ohci->request_generation = (p.header[2] >> 16) & 0xff; else if (ctx == &ohci->ar_request_ctx) fw_core_handle_request(&ohci->card, &p); else @@ -397,6 +401,7 @@ static void ar_context_tasklet(unsigned long data) if (d->res_count == 0) { size_t size, rest, offset; + dma_addr_t buffer_bus; /* * This descriptor is finished and we may have a @@ -405,9 +410,7 @@ static void ar_context_tasklet(unsigned long data) */ offset = offsetof(struct ar_buffer, data); - dma_unmap_single(ohci->card.device, - le32_to_cpu(ab->descriptor.data_address) - offset, - PAGE_SIZE, DMA_BIDIRECTIONAL); + buffer_bus = le32_to_cpu(ab->descriptor.data_address) - offset; buffer = ab; ab = ab->next; @@ -423,7 +426,8 @@ static void ar_context_tasklet(unsigned long data) while (buffer < end) buffer = handle_ar_packet(ctx, buffer); - free_page((unsigned long)buffer); + dma_free_coherent(ohci->card.device, PAGE_SIZE, + buffer, buffer_bus); ar_context_add_page(ctx); } else { buffer = ctx->pointer; @@ -532,7 +536,7 @@ static int context_add_buffer(struct context *ctx) { struct descriptor_buffer *desc; - dma_addr_t bus_addr; + dma_addr_t uninitialized_var(bus_addr); int offset; /* @@ -1022,13 +1026,14 @@ static void bus_reset_tasklet(unsigned long data) */ self_id_count = (reg_read(ohci, OHCI1394_SelfIDCount) >> 3) & 0x3ff; - generation = (le32_to_cpu(ohci->self_id_cpu[0]) >> 16) & 0xff; + generation = (cond_le32_to_cpu(ohci->self_id_cpu[0]) >> 16) & 0xff; rmb(); for (i = 1, j = 0; j < self_id_count; i += 2, j++) { if (ohci->self_id_cpu[i] != ~ohci->self_id_cpu[i + 1]) fw_error("inconsistent self IDs\n"); - ohci->self_id_buffer[j] = le32_to_cpu(ohci->self_id_cpu[i]); + ohci->self_id_buffer[j] = + cond_le32_to_cpu(ohci->self_id_cpu[i]); } rmb(); @@ -1316,7 +1321,7 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length) unsigned long flags; int retval = -EBUSY; __be32 *next_config_rom; - dma_addr_t next_config_rom_bus; + dma_addr_t uninitialized_var(next_config_rom_bus); ohci = fw_ohci(card); @@ -1487,7 +1492,7 @@ static int handle_ir_dualbuffer_packet(struct context *context, void *p, *end; int i; - if (db->first_res_count > 0 && db->second_res_count > 0) { + if (db->first_res_count != 0 && db->second_res_count != 0) { if (ctx->excess_bytes <= le16_to_cpu(db->second_req_count)) { /* This descriptor isn't done yet, stop iteration. */ return 0; @@ -1513,7 +1518,7 @@ static int handle_ir_dualbuffer_packet(struct context *context, memcpy(ctx->header + i + 4, p + 8, ctx->base.header_size - 4); i += ctx->base.header_size; ctx->excess_bytes += - (le32_to_cpu(*(u32 *)(p + 4)) >> 16) & 0xffff; + (le32_to_cpu(*(__le32 *)(p + 4)) >> 16) & 0xffff; p += ctx->base.header_size + 4; } ctx->header_length = i; @@ -2048,6 +2053,18 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent) int err; size_t size; +#ifdef CONFIG_PPC_PMAC + /* Necessary on some machines if fw-ohci was loaded/ unloaded before */ + if (machine_is(powermac)) { + struct device_node *ofn = pci_device_to_OF_node(dev); + + if (ofn) { + pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 1); + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1); + } + } +#endif /* CONFIG_PPC_PMAC */ + ohci = kzalloc(sizeof(*ohci), GFP_KERNEL); if (ohci == NULL) { fw_error("Could not malloc fw_ohci data.\n"); @@ -2066,6 +2083,10 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent) pci_write_config_dword(dev, OHCI1394_PCI_HCI_Control, 0); pci_set_drvdata(dev, ohci); +#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) + ohci->old_uninorth = dev->vendor == PCI_VENDOR_ID_APPLE && + dev->device == PCI_DEVICE_ID_APPLE_UNI_N_FW; +#endif spin_lock_init(&ohci->lock); tasklet_init(&ohci->bus_reset_tasklet, @@ -2182,6 +2203,19 @@ static void pci_remove(struct pci_dev *dev) pci_disable_device(dev); fw_card_put(&ohci->card); +#ifdef CONFIG_PPC_PMAC + /* On UniNorth, power down the cable and turn off the chip clock + * to save power on laptops */ + if (machine_is(powermac)) { + struct device_node *ofn = pci_device_to_OF_node(dev); + + if (ofn) { + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0); + pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 0); + } + } +#endif /* CONFIG_PPC_PMAC */ + fw_notify("Removed fw-ohci device.\n"); } @@ -2202,6 +2236,16 @@ static int pci_suspend(struct pci_dev *pdev, pm_message_t state) if (err) fw_error("pci_set_power_state failed with %d\n", err); +/* PowerMac suspend code comes last */ +#ifdef CONFIG_PPC_PMAC + if (machine_is(powermac)) { + struct device_node *ofn = pci_device_to_OF_node(pdev); + + if (ofn) + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0); + } +#endif /* CONFIG_PPC_PMAC */ + return 0; } @@ -2210,6 +2254,16 @@ static int pci_resume(struct pci_dev *pdev) struct fw_ohci *ohci = pci_get_drvdata(pdev); int err; +/* PowerMac resume code comes first */ +#ifdef CONFIG_PPC_PMAC + if (machine_is(powermac)) { + struct device_node *ofn = pci_device_to_OF_node(pdev); + + if (ofn) + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1); + } +#endif /* CONFIG_PPC_PMAC */ + pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); err = pci_enable_device(pdev); diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 03069a454c07..62b4e47d0cc0 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -173,6 +173,7 @@ struct sbp2_target { #define SBP2_ORB_TIMEOUT 2000U /* Timeout in ms */ #define SBP2_ORB_NULL 0x80000000 #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 +#define SBP2_RETRY_LIMIT 0xf /* 15 retries */ #define SBP2_DIRECTION_TO_MEDIA 0x0 #define SBP2_DIRECTION_FROM_MEDIA 0x1 @@ -330,6 +331,11 @@ static const struct { .model = ~0, .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, }, + /* Datafab MD2-FW2 with Symbios/LSILogic SYM13FW500 bridge */ { + .firmware_revision = 0x002600, + .model = ~0, + .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, + }, /* * There are iPods (2nd gen, 3rd gen) with model_id == 0, but @@ -812,6 +818,30 @@ static void sbp2_target_put(struct sbp2_target *tgt) kref_put(&tgt->kref, sbp2_release_target); } +static void +complete_set_busy_timeout(struct fw_card *card, int rcode, + void *payload, size_t length, void *done) +{ + complete(done); +} + +static void sbp2_set_busy_timeout(struct sbp2_logical_unit *lu) +{ + struct fw_device *device = fw_device(lu->tgt->unit->device.parent); + DECLARE_COMPLETION_ONSTACK(done); + struct fw_transaction t; + static __be32 busy_timeout; + + /* FIXME: we should try to set dual-phase cycle_limit too */ + busy_timeout = cpu_to_be32(SBP2_RETRY_LIMIT); + + fw_send_request(device->card, &t, TCODE_WRITE_QUADLET_REQUEST, + lu->tgt->node_id, lu->generation, device->max_speed, + CSR_REGISTER_BASE + CSR_BUSY_TIMEOUT, &busy_timeout, + sizeof(busy_timeout), complete_set_busy_timeout, &done); + wait_for_completion(&done); +} + static void sbp2_reconnect(struct work_struct *work); static void sbp2_login(struct work_struct *work) @@ -864,10 +894,8 @@ static void sbp2_login(struct work_struct *work) fw_notify("%s: logged in to LUN %04x (%d retries)\n", tgt->bus_id, lu->lun, lu->retries); -#if 0 - /* FIXME: The linux1394 sbp2 does this last step. */ - sbp2_set_busy_timeout(scsi_id); -#endif + /* set appropriate retry limit(s) in BUSY_TIMEOUT register */ + sbp2_set_busy_timeout(lu); PREPARE_DELAYED_WORK(&lu->work, sbp2_reconnect); sbp2_agent_reset(lu); diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c index e47bb040197a..d2c7a3d7e1cb 100644 --- a/drivers/firewire/fw-topology.c +++ b/drivers/firewire/fw-topology.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/wait.h> #include <linux/errno.h> +#include <asm/bug.h> #include <asm/system.h> #include "fw-transaction.h" #include "fw-topology.h" @@ -424,8 +425,8 @@ update_tree(struct fw_card *card, struct fw_node *root) node1 = fw_node(list1.next); while (&node0->link != &list0) { + WARN_ON(node0->port_count != node1->port_count); - /* assert(node0->port_count == node1->port_count); */ if (node0->link_on && !node1->link_on) event = FW_NODE_LINK_OFF; else if (!node0->link_on && node1->link_on) diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c index 7fcc59dedf08..e6f1bda38940 100644 --- a/drivers/firewire/fw-transaction.c +++ b/drivers/firewire/fw-transaction.c @@ -736,6 +736,12 @@ fw_core_handle_response(struct fw_card *card, struct fw_packet *p) break; } + /* + * The response handler may be executed while the request handler + * is still pending. Cancel the request handler. + */ + card->driver->cancel_packet(card, &t->packet); + t->callback(card, rcode, data, data_length, t->callback_data); } EXPORT_SYMBOL(fw_core_handle_response); @@ -751,7 +757,7 @@ handle_topology_map(struct fw_card *card, struct fw_request *request, void *payload, size_t length, void *callback_data) { int i, start, end; - u32 *map; + __be32 *map; if (!TCODE_IS_READ_REQUEST(tcode)) { fw_send_response(card, request, RCODE_TYPE_ERROR); diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h index 09cb72870454..a43bb22912f9 100644 --- a/drivers/firewire/fw-transaction.h +++ b/drivers/firewire/fw-transaction.h @@ -86,12 +86,12 @@ static inline void fw_memcpy_from_be32(void *_dst, void *_src, size_t size) { - u32 *dst = _dst; - u32 *src = _src; + u32 *dst = _dst; + __be32 *src = _src; int i; for (i = 0; i < size / 4; i++) - dst[i] = cpu_to_be32(src[i]); + dst[i] = be32_to_cpu(src[i]); } static inline void diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index d73a768e176e..f0b00ec1e47e 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -968,7 +968,7 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i size--; } - /* dump the report descriptor */ + /* dump the report */ dbg_hid("report %d (size %u) = ", n, size); for (i = 0; i < size; i++) dbg_hid_line(" %02x", data[i]); diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 5a38fb27d69f..c3eb3f13e2ca 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -98,18 +98,16 @@ struct hidinput_key_translation { static struct hidinput_key_translation apple_fn_keys[] = { { KEY_BACKSPACE, KEY_DELETE }, - { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, - { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, - { KEY_F3, KEY_CYCLEWINDOWS, APPLE_FLAG_FKEY }, /* Exposé */ - { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */ - { KEY_F5, KEY_FN_F5 }, - { KEY_F6, KEY_FN_F6 }, - { KEY_F7, KEY_BACK, APPLE_FLAG_FKEY }, - { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, - { KEY_F9, KEY_FORWARD, APPLE_FLAG_FKEY }, - { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY }, - { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, - { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, + { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, + { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, + { KEY_F3, KEY_FN_F5, APPLE_FLAG_FKEY }, /* Exposé */ + { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */ + { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY }, + { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, + { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY }, + { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY }, + { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, + { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, { KEY_UP, KEY_PAGEUP }, { KEY_DOWN, KEY_PAGEDOWN }, { KEY_LEFT, KEY_HOME }, diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index b38e559b7a46..d95979f0e028 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -278,7 +278,7 @@ static int hid_submit_ctrl(struct hid_device *hid) usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0); maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0); if (maxpacket > 0) { - padlen = (len + maxpacket - 1) / maxpacket; + padlen = DIV_ROUND_UP(len, maxpacket); padlen *= maxpacket; if (padlen > usbhid->bufsize) padlen = usbhid->bufsize; diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index e6d05f6b1c1c..e29a057cbea2 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -345,6 +345,9 @@ #define USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR 0x0400 #define USB_DEVICE_ID_N_S_HARMONY 0xc359 +#define USB_VENDOR_ID_NATSU 0x08b7 +#define USB_DEVICE_ID_NATSU_GAMEPAD 0x0001 + #define USB_VENDOR_ID_NEC 0x073e #define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301 @@ -426,6 +429,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_NATSU, USB_DEVICE_ID_NATSU_GAMEPAD, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD }, @@ -624,7 +628,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD }, { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS, HID_QUIRK_APPLE_HAS_FN }, { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_APPLE_ISO_KEYBOARD }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI, HID_QUIRK_APPLE_HAS_FN }, { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD }, diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 368879ff5d8c..4dc76bc45c9d 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -337,8 +337,9 @@ config SENSORS_IBMPEX help If you say yes here you get support for the temperature and power sensors in various IBM System X servers that support - PowerExecutive. So far this includes the x3550, x3650, x3655, - x3755, and certain HS20 blades. + PowerExecutive. So far this includes the x3350, x3550, x3650, + x3655, and x3755; the x3800, x3850, and x3950 models that have + PCI Express; and some of the HS2x, LS2x, and QS2x blades. This driver can also be built as a module. If so, the module will be called ibmpex. diff --git a/drivers/hwmon/ibmpex.c b/drivers/hwmon/ibmpex.c index 9c9cdb0685e4..4e9b19c6732f 100644 --- a/drivers/hwmon/ibmpex.c +++ b/drivers/hwmon/ibmpex.c @@ -327,10 +327,14 @@ static int is_temp_sensor(const char *sensor_id, int len) return 0; } -static int power_sensor_multiplier(const char *sensor_id, int len) +static int power_sensor_multiplier(struct ibmpex_bmc_data *data, + const char *sensor_id, int len) { int i; + if (data->sensor_major == 2) + return 1000000; + for (i = PEX_SENSOR_TYPE_LEN; i < len - 1; i++) if (!memcmp(&sensor_id[i], watt_sensor_sig, PEX_MULT_LEN)) return 1000000; @@ -398,14 +402,15 @@ static int ibmpex_find_sensors(struct ibmpex_bmc_data *data) num_power++; sensor_counter = num_power; data->sensors[i].multiplier = - power_sensor_multiplier(data->rx_msg_data, - data->rx_msg_len); + power_sensor_multiplier(data, + data->rx_msg_data, + data->rx_msg_len); } else if (is_temp_sensor(data->rx_msg_data, data->rx_msg_len)) { sensor_type = TEMP_SENSOR; num_temp++; sensor_counter = num_temp; - data->sensors[i].multiplier = 1; + data->sensors[i].multiplier = 1000; } else continue; diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 476b0bb72d6c..5fa9c3c67e0c 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -100,7 +100,7 @@ config I2C_AU1550 config I2C_BLACKFIN_TWI tristate "Blackfin TWI I2C support" - depends on BF534 || BF536 || BF537 || BF54x + depends on BF534 || BF536 || BF537 help This is the TWI I2C device driver for Blackfin 534/536/537/54x. This driver can also be built as a module. If so, the module diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c index 573abe440842..2fa43183d375 100644 --- a/drivers/i2c/busses/i2c-amd756.c +++ b/drivers/i2c/busses/i2c-amd756.c @@ -335,7 +335,7 @@ static int __devinit amd756_probe(struct pci_dev *pdev, u8 temp; /* driver_data might come from user-space, so check it */ - if (id->driver_data > ARRAY_SIZE(chipname)) + if (id->driver_data >= ARRAY_SIZE(chipname)) return -EINVAL; if (amd756_ioport) { diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index da6639707ea3..7ba31770d773 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -128,6 +128,8 @@ struct omap_i2c_dev { size_t buf_len; struct i2c_adapter adapter; unsigned rev1:1; + unsigned idle:1; + u16 iestate; /* Saved interrupt register */ }; static inline void omap_i2c_write_reg(struct omap_i2c_dev *i2c_dev, @@ -174,18 +176,30 @@ static void omap_i2c_put_clocks(struct omap_i2c_dev *dev) } } -static void omap_i2c_enable_clocks(struct omap_i2c_dev *dev) +static void omap_i2c_unidle(struct omap_i2c_dev *dev) { if (dev->iclk != NULL) clk_enable(dev->iclk); clk_enable(dev->fclk); + if (dev->iestate) + omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, dev->iestate); + dev->idle = 0; } -static void omap_i2c_disable_clocks(struct omap_i2c_dev *dev) +static void omap_i2c_idle(struct omap_i2c_dev *dev) { + u16 iv; + + dev->idle = 1; + dev->iestate = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG); + omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, 0); + if (dev->rev1) + iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */ + else + omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, dev->iestate); + clk_disable(dev->fclk); if (dev->iclk != NULL) clk_disable(dev->iclk); - clk_disable(dev->fclk); } static int omap_i2c_init(struct omap_i2c_dev *dev) @@ -360,7 +374,7 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) int i; int r; - omap_i2c_enable_clocks(dev); + omap_i2c_unidle(dev); if ((r = omap_i2c_wait_for_bb(dev)) < 0) goto out; @@ -374,7 +388,7 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) if (r == 0) r = num; out: - omap_i2c_disable_clocks(dev); + omap_i2c_idle(dev); return r; } @@ -403,6 +417,9 @@ omap_i2c_rev1_isr(int this_irq, void *dev_id) struct omap_i2c_dev *dev = dev_id; u16 iv, w; + if (dev->idle) + return IRQ_NONE; + iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); switch (iv) { case 0x00: /* None */ @@ -457,6 +474,9 @@ omap_i2c_isr(int this_irq, void *dev_id) u16 stat, w; int count = 0; + if (dev->idle) + return IRQ_NONE; + bits = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG); while ((stat = (omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG))) & bits) { dev_dbg(dev->dev, "IRQ (ISR = 0x%04x)\n", stat); @@ -575,7 +595,7 @@ omap_i2c_probe(struct platform_device *pdev) if ((r = omap_i2c_get_clocks(dev)) != 0) goto err_free_mem; - omap_i2c_enable_clocks(dev); + omap_i2c_unidle(dev); if (cpu_is_omap15xx()) dev->rev1 = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) < 0x20; @@ -610,7 +630,7 @@ omap_i2c_probe(struct platform_device *pdev) goto err_free_irq; } - omap_i2c_disable_clocks(dev); + omap_i2c_idle(dev); return 0; @@ -618,7 +638,7 @@ err_free_irq: free_irq(dev->irq, dev); err_unuse_clocks: omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0); - omap_i2c_disable_clocks(dev); + omap_i2c_idle(dev); omap_i2c_put_clocks(dev); err_free_mem: platform_set_drvdata(pdev, NULL); diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile index 501f00cea782..e47aca0ca5ae 100644 --- a/drivers/i2c/chips/Makefile +++ b/drivers/i2c/chips/Makefile @@ -1,6 +1,13 @@ # # Makefile for miscellaneous I2C chip drivers. # +# Think twice before you add a new driver to this directory. +# Device drivers are better grouped according to the functionality they +# implement rather than to the bus they are connected to. In particular: +# * Hardware monitoring chip drivers go to drivers/hwmon +# * RTC chip drivers go to drivers/rtc +# * I/O expander drivers go to drivers/gpio +# obj-$(CONFIG_DS1682) += ds1682.o obj-$(CONFIG_SENSORS_EEPROM) += eeprom.o diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 96da22e9a5a4..8b645c6b2cb5 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -90,12 +90,16 @@ static int i2c_device_probe(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct i2c_driver *driver = to_i2c_driver(dev->driver); + int status; if (!driver->probe) return -ENODEV; client->driver = driver; dev_dbg(dev, "probe\n"); - return driver->probe(client); + status = driver->probe(client); + if (status) + client->driver = NULL; + return status; } static int i2c_device_remove(struct device *dev) @@ -485,8 +489,8 @@ EXPORT_SYMBOL(i2c_add_adapter); * Context: can sleep * * This routine is used to declare an I2C adapter when its bus number - * matters. Example: for I2C adapters from system-on-chip CPUs, or - * otherwise built in to the system's mainboard, and where i2c_board_info + * matters. For example, use it for I2C adapters from system-on-chip CPUs, + * or otherwise built in to the system's mainboard, and where i2c_board_info * is used to properly configure I2C devices. * * If no devices have pre-been declared for this bus, then be sure to diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index c419266234a7..01b92208f09d 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -595,6 +595,7 @@ u8 eighty_ninty_three (ide_drive_t *drive) /* * FIXME: + * - change master/slave IDENTIFY order * - force bit13 (80c cable present) check also for !ivb devices * (unless the slave device is pre-ATA3) */ diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index 29e2c9719c30..7031a8dcf692 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -122,7 +122,6 @@ static struct ide_pio_info { const char *name; int pio; } ide_pio_blacklist [] = { -/* { "Conner Peripherals 1275MB - CFS1275A", 4 }, */ { "Conner Peripherals 540MB - CFS540A", 3 }, { "WDC AC2700", 3 }, @@ -138,10 +137,8 @@ static struct ide_pio_info { { "WDC AC1170", 1 }, { "WDC AC1210", 1 }, { "WDC AC280", 0 }, -/* { "WDC AC21000", 4 }, */ { "WDC AC31000", 3 }, { "WDC AC31200", 3 }, -/* { "WDC AC31600", 4 }, */ { "Maxtor 7131 AT", 1 }, { "Maxtor 7171 AT", 1 }, @@ -155,13 +152,6 @@ static struct ide_pio_info { { "SAMSUNG SHD-3122A", 1 }, { "SAMSUNG SHD-3172A", 1 }, -/* { "ST51080A", 4 }, - * { "ST51270A", 4 }, - * { "ST31220A", 4 }, - * { "ST31640A", 4 }, - * { "ST32140A", 4 }, - * { "ST3780A", 4 }, - */ { "ST5660A", 3 }, { "ST3660A", 3 }, { "ST3630A", 3 }, diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 194ecb0049eb..47a114927c31 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -774,9 +774,10 @@ static int ide_probe_port(ide_hwif_t *hwif) printk(KERN_DEBUG "%s: Wait for ready failed before probe !\n", hwif->name); /* - * Need to probe slave device first to make it release PDIAG-. + * Second drive should only exist if first drive was found, + * but a lot of cdrom drives are configured as single slaves. */ - for (unit = MAX_DRIVES - 1; unit >= 0; unit--) { + for (unit = 0; unit < MAX_DRIVES; ++unit) { ide_drive_t *drive = &hwif->drives[unit]; drive->dn = (hwif->channel ? 2 : 0) + unit; (void) probe_for_drive(drive); diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 43e0e0557776..0598ecfd5f37 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -3765,11 +3765,6 @@ static int ide_tape_probe(ide_drive_t *drive) g->fops = &idetape_block_ops; ide_register_region(g); - printk(KERN_WARNING "It is possible that this driver does not have any" - " users anymore and, as a result, it will be REMOVED soon." - " Please notify Bart <bzolnier@gmail.com> or Boris" - " <petkovbb@gmail.com> in case you still need it.\n"); - return 0; out_free_tape: diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 0518a2e948cf..4c86a8d84b4c 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -423,6 +423,25 @@ void task_end_request(ide_drive_t *drive, struct request *rq, u8 stat) } /* + * We got an interrupt on a task_in case, but no errors and no DRQ. + * + * It might be a spurious irq (shared irq), but it might be a + * command that had no output. + */ +static ide_startstop_t task_in_unexpected(ide_drive_t *drive, struct request *rq, u8 stat) +{ + /* Command all done? */ + if (OK_STAT(stat, READY_STAT, BUSY_STAT)) { + task_end_request(drive, rq, stat); + return ide_stopped; + } + + /* Assume it was a spurious irq */ + ide_set_handler(drive, &task_in_intr, WAIT_WORSTCASE, NULL); + return ide_started; +} + +/* * Handler for command with PIO data-in phase (Read/Read Multiple). */ static ide_startstop_t task_in_intr(ide_drive_t *drive) @@ -431,18 +450,17 @@ static ide_startstop_t task_in_intr(ide_drive_t *drive) struct request *rq = HWGROUP(drive)->rq; u8 stat = ide_read_status(drive); - /* new way for dealing with premature shared PCI interrupts */ - if (!OK_STAT(stat, DRQ_STAT, BAD_R_STAT)) { - if (stat & (ERR_STAT | DRQ_STAT)) - return task_error(drive, rq, __FUNCTION__, stat); - /* No data yet, so wait for another IRQ. */ - ide_set_handler(drive, &task_in_intr, WAIT_WORSTCASE, NULL); - return ide_started; - } + /* Error? */ + if (stat & ERR_STAT) + return task_error(drive, rq, __FUNCTION__, stat); + + /* Didn't want any data? Odd. */ + if (!(stat & DRQ_STAT)) + return task_in_unexpected(drive, rq, stat); ide_pio_datablock(drive, rq, 0); - /* If it was the last datablock check status and finish transfer. */ + /* Are we done? Check status and finish transfer. */ if (!hwif->nleft) { stat = wait_drive_not_busy(drive); if (!OK_STAT(stat, 0, BAD_STAT)) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 9976f9d627d4..fc69fe2e3ec0 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -1258,7 +1258,7 @@ static int __init ide_setup(char *s) drive = &hwif->drives[unit]; if (strncmp(s + 4, "ide-", 4) == 0) { strlcpy(drive->driver_req, s + 4, sizeof(drive->driver_req)); - goto done; + goto obsolete_option; } switch (match_parm(&s[3], hd_words, vals, 3)) { case -1: /* "none" */ @@ -1290,13 +1290,13 @@ static int __init ide_setup(char *s) goto done; case -12: /* "remap" */ drive->remap_0_to_1 = 1; - goto done; + goto obsolete_option; case -13: /* "remap63" */ drive->sect0 = 63; - goto done; + goto obsolete_option; case -14: /* "scsi" */ drive->scsi = 1; - goto done; + goto obsolete_option; case 3: /* cyl,head,sect */ drive->media = ide_disk; drive->ready_stat = READY_STAT; @@ -1370,32 +1370,32 @@ static int __init ide_setup(char *s) #ifdef CONFIG_BLK_DEV_ALI14XX case -17: /* "ali14xx" */ probe_ali14xx = 1; - goto done; + goto obsolete_option; #endif #ifdef CONFIG_BLK_DEV_UMC8672 case -16: /* "umc8672" */ probe_umc8672 = 1; - goto done; + goto obsolete_option; #endif #ifdef CONFIG_BLK_DEV_DTC2278 case -15: /* "dtc2278" */ probe_dtc2278 = 1; - goto done; + goto obsolete_option; #endif #ifdef CONFIG_BLK_DEV_CMD640 case -14: /* "cmd640_vlb" */ cmd640_vlb = 1; - goto done; + goto obsolete_option; #endif #ifdef CONFIG_BLK_DEV_HT6560B case -13: /* "ht6560b" */ probe_ht6560b = 1; - goto done; + goto obsolete_option; #endif #ifdef CONFIG_BLK_DEV_QD65XX case -12: /* "qd65xx" */ probe_qd65xx = 1; - goto done; + goto obsolete_option; #endif #ifdef CONFIG_BLK_DEV_4DRIVES case -11: /* "four" drives on one set of ports */ diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 9e2b1964d71a..f53f72daae34 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -376,6 +376,11 @@ static const struct { .model_id = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, }, + /* Datafab MD2-FW2 with Symbios/LSILogic SYM13FW500 bridge */ { + .firmware_revision = 0x002600, + .model_id = SBP2_ROM_VALUE_WILDCARD, + .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, + }, /* iPod 4th generation */ { .firmware_revision = 0x0a2700, .model_id = 0x000021, diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index a58ad8a470f9..781ea5950373 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -154,7 +154,7 @@ static void addr_send_arp(struct sockaddr_in *dst_in) { struct rtable *rt; struct flowi fl; - u32 dst_ip = dst_in->sin_addr.s_addr; + __be32 dst_ip = dst_in->sin_addr.s_addr; memset(&fl, 0, sizeof fl); fl.nl_u.ip4_u.daddr = dst_ip; @@ -169,8 +169,8 @@ static int addr_resolve_remote(struct sockaddr_in *src_in, struct sockaddr_in *dst_in, struct rdma_dev_addr *addr) { - u32 src_ip = src_in->sin_addr.s_addr; - u32 dst_ip = dst_in->sin_addr.s_addr; + __be32 src_ip = src_in->sin_addr.s_addr; + __be32 dst_ip = dst_in->sin_addr.s_addr; struct flowi fl; struct rtable *rt; struct neighbour *neigh; @@ -257,7 +257,7 @@ static int addr_resolve_local(struct sockaddr_in *src_in, struct rdma_dev_addr *addr) { struct net_device *dev; - u32 src_ip = src_in->sin_addr.s_addr; + __be32 src_ip = src_in->sin_addr.s_addr; __be32 dst_ip = dst_in->sin_addr.s_addr; int ret; diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 4df405157086..faa7ce318a6d 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -393,7 +393,7 @@ static int cm_alloc_id(struct cm_id_private *cm_id_priv) spin_unlock_irqrestore(&cm.lock, flags); } while( (ret == -EAGAIN) && idr_pre_get(&cm.local_id_table, GFP_KERNEL) ); - cm_id_priv->id.local_id = (__force __be32) (id ^ cm.random_id_operand); + cm_id_priv->id.local_id = (__force __be32)id ^ cm.random_id_operand; return ret; } diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 34507daaf9b6..d81c156a22b4 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -168,15 +168,15 @@ struct cma_work { union cma_ip_addr { struct in6_addr ip6; struct { - __u32 pad[3]; - __u32 addr; + __be32 pad[3]; + __be32 addr; } ip4; }; struct cma_hdr { u8 cma_version; u8 ip_version; /* IP version: 7:4 */ - __u16 port; + __be16 port; union cma_ip_addr src_addr; union cma_ip_addr dst_addr; }; @@ -186,8 +186,8 @@ struct sdp_hh { u8 sdp_version; /* Major version: 7:4 */ u8 ip_version; /* IP version: 7:4 */ u8 sdp_specific1[10]; - __u16 port; - __u16 sdp_specific2; + __be16 port; + __be16 sdp_specific2; union cma_ip_addr src_addr; union cma_ip_addr dst_addr; }; @@ -663,7 +663,7 @@ static inline int cma_any_port(struct sockaddr *addr) } static int cma_get_net_info(void *hdr, enum rdma_port_space ps, - u8 *ip_ver, __u16 *port, + u8 *ip_ver, __be16 *port, union cma_ip_addr **src, union cma_ip_addr **dst) { switch (ps) { @@ -695,7 +695,7 @@ static int cma_get_net_info(void *hdr, enum rdma_port_space ps, static void cma_save_net_info(struct rdma_addr *addr, struct rdma_addr *listen_addr, - u8 ip_ver, __u16 port, + u8 ip_ver, __be16 port, union cma_ip_addr *src, union cma_ip_addr *dst) { struct sockaddr_in *listen4, *ip4; @@ -996,7 +996,7 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id, struct rdma_cm_id *id; struct rdma_route *rt; union cma_ip_addr *src, *dst; - __u16 port; + __be16 port; u8 ip_ver; if (cma_get_net_info(ib_event->private_data, listen_id->ps, @@ -1043,7 +1043,7 @@ static struct rdma_id_private *cma_new_udp_id(struct rdma_cm_id *listen_id, struct rdma_id_private *id_priv; struct rdma_cm_id *id; union cma_ip_addr *src, *dst; - __u16 port; + __be16 port; u8 ip_ver; int ret; @@ -1165,7 +1165,7 @@ static void cma_set_compare_data(enum rdma_port_space ps, struct sockaddr *addr, { struct cma_hdr *cma_data, *cma_mask; struct sdp_hh *sdp_data, *sdp_mask; - __u32 ip4_addr; + __be32 ip4_addr; struct in6_addr ip6_addr; memset(compare, 0, sizeof *compare); @@ -1181,12 +1181,12 @@ static void cma_set_compare_data(enum rdma_port_space ps, struct sockaddr *addr, sdp_set_ip_ver(sdp_data, 4); sdp_set_ip_ver(sdp_mask, 0xF); sdp_data->dst_addr.ip4.addr = ip4_addr; - sdp_mask->dst_addr.ip4.addr = ~0; + sdp_mask->dst_addr.ip4.addr = htonl(~0); } else { cma_set_ip_ver(cma_data, 4); cma_set_ip_ver(cma_mask, 0xF); cma_data->dst_addr.ip4.addr = ip4_addr; - cma_mask->dst_addr.ip4.addr = ~0; + cma_mask->dst_addr.ip4.addr = htonl(~0); } break; case AF_INET6: diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index 320f2b6ddee6..99f2f2a46bf7 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -1745,7 +1745,7 @@ int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) /* bind QP to EP and move to RTS */ attrs.mpa_attr = ep->mpa_attr; - attrs.max_ird = ep->ord; + attrs.max_ird = ep->ird; attrs.max_ord = ep->ord; attrs.llp_stream_handle = ep; attrs.next_state = IWCH_QP_STATE_RTS; diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h index 414621095540..591901aab6b7 100644 --- a/drivers/infiniband/hw/ipath/ipath_common.h +++ b/drivers/infiniband/hw/ipath/ipath_common.h @@ -75,7 +75,7 @@ #define IPATH_IB_LINKDOWN 0 #define IPATH_IB_LINKARM 1 #define IPATH_IB_LINKACTIVE 2 -#define IPATH_IB_LINKINIT 3 +#define IPATH_IB_LINKDOWN_ONLY 3 #define IPATH_IB_LINKDOWN_SLEEP 4 #define IPATH_IB_LINKDOWN_DISABLE 5 #define IPATH_IB_LINK_LOOPBACK 6 /* enable local loopback */ diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index d5ff6ca2db30..ca4d0acc6786 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -851,8 +851,7 @@ void ipath_disarm_piobufs(struct ipath_devdata *dd, unsigned first, * -ETIMEDOUT state can have multiple states set, for any of several * transitions. */ -static int ipath_wait_linkstate(struct ipath_devdata *dd, u32 state, - int msecs) +int ipath_wait_linkstate(struct ipath_devdata *dd, u32 state, int msecs) { dd->ipath_state_wanted = state; wait_event_interruptible_timeout(ipath_state_wait, @@ -1656,8 +1655,8 @@ void ipath_cancel_sends(struct ipath_devdata *dd, int restore_sendctrl) static void ipath_set_ib_lstate(struct ipath_devdata *dd, int which) { static const char *what[4] = { - [0] = "DOWN", - [INFINIPATH_IBCC_LINKCMD_INIT] = "INIT", + [0] = "NOP", + [INFINIPATH_IBCC_LINKCMD_DOWN] = "DOWN", [INFINIPATH_IBCC_LINKCMD_ARMED] = "ARMED", [INFINIPATH_IBCC_LINKCMD_ACTIVE] = "ACTIVE" }; @@ -1672,9 +1671,9 @@ static void ipath_set_ib_lstate(struct ipath_devdata *dd, int which) (dd, dd->ipath_kregs->kr_ibcstatus) >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) & INFINIPATH_IBCS_LINKTRAININGSTATE_MASK]); - /* flush all queued sends when going to DOWN or INIT, to be sure that + /* flush all queued sends when going to DOWN to be sure that * they don't block MAD packets */ - if (!linkcmd || linkcmd == INFINIPATH_IBCC_LINKCMD_INIT) + if (linkcmd == INFINIPATH_IBCC_LINKCMD_DOWN) ipath_cancel_sends(dd, 1); ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, @@ -1687,6 +1686,13 @@ int ipath_set_linkstate(struct ipath_devdata *dd, u8 newstate) int ret; switch (newstate) { + case IPATH_IB_LINKDOWN_ONLY: + ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_DOWN << + INFINIPATH_IBCC_LINKCMD_SHIFT); + /* don't wait */ + ret = 0; + goto bail; + case IPATH_IB_LINKDOWN: ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKINITCMD_POLL << INFINIPATH_IBCC_LINKINITCMD_SHIFT); @@ -1709,16 +1715,6 @@ int ipath_set_linkstate(struct ipath_devdata *dd, u8 newstate) ret = 0; goto bail; - case IPATH_IB_LINKINIT: - if (dd->ipath_flags & IPATH_LINKINIT) { - ret = 0; - goto bail; - } - ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_INIT << - INFINIPATH_IBCC_LINKCMD_SHIFT); - lstate = IPATH_LINKINIT; - break; - case IPATH_IB_LINKARM: if (dd->ipath_flags & IPATH_LINKARMED) { ret = 0; diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index 4cc0f95ea877..ecf3f7ff7717 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -767,6 +767,7 @@ void ipath_kreceive(struct ipath_portdata *); int ipath_setrcvhdrsize(struct ipath_devdata *, unsigned); int ipath_reset_device(int); void ipath_get_faststats(unsigned long); +int ipath_wait_linkstate(struct ipath_devdata *, u32, int); int ipath_set_linkstate(struct ipath_devdata *, u8); int ipath_set_mtu(struct ipath_devdata *, u16); int ipath_set_lid(struct ipath_devdata *, u32, u8); diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c index d98d5f103700..b34b91d3723a 100644 --- a/drivers/infiniband/hw/ipath/ipath_mad.c +++ b/drivers/infiniband/hw/ipath/ipath_mad.c @@ -555,10 +555,7 @@ static int recv_subn_set_portinfo(struct ib_smp *smp, /* FALLTHROUGH */ case IB_PORT_DOWN: if (lstate == 0) - if (get_linkdowndefaultstate(dd)) - lstate = IPATH_IB_LINKDOWN_SLEEP; - else - lstate = IPATH_IB_LINKDOWN; + lstate = IPATH_IB_LINKDOWN_ONLY; else if (lstate == 1) lstate = IPATH_IB_LINKDOWN_SLEEP; else if (lstate == 2) @@ -568,6 +565,8 @@ static int recv_subn_set_portinfo(struct ib_smp *smp, else goto err; ipath_set_linkstate(dd, lstate); + ipath_wait_linkstate(dd, IPATH_LINKINIT | IPATH_LINKARMED | + IPATH_LINKACTIVE, 1000); break; case IB_PORT_ARMED: ipath_set_linkstate(dd, IPATH_IB_LINKARM); diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c index 80dc623cee40..087ed3166479 100644 --- a/drivers/infiniband/hw/ipath/ipath_qp.c +++ b/drivers/infiniband/hw/ipath/ipath_qp.c @@ -329,8 +329,9 @@ struct ipath_qp *ipath_lookup_qpn(struct ipath_qp_table *qpt, u32 qpn) /** * ipath_reset_qp - initialize the QP state to the reset state * @qp: the QP to reset + * @type: the QP type */ -static void ipath_reset_qp(struct ipath_qp *qp) +static void ipath_reset_qp(struct ipath_qp *qp, enum ib_qp_type type) { qp->remote_qpn = 0; qp->qkey = 0; @@ -342,7 +343,7 @@ static void ipath_reset_qp(struct ipath_qp *qp) qp->s_psn = 0; qp->r_psn = 0; qp->r_msn = 0; - if (qp->ibqp.qp_type == IB_QPT_RC) { + if (type == IB_QPT_RC) { qp->s_state = IB_OPCODE_RC_SEND_LAST; qp->r_state = IB_OPCODE_RC_SEND_LAST; } else { @@ -414,7 +415,7 @@ int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err) wc.wr_id = qp->r_wr_id; wc.opcode = IB_WC_RECV; wc.status = err; - ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 1); + ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1); } wc.status = IB_WC_WR_FLUSH_ERR; @@ -534,7 +535,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, switch (new_state) { case IB_QPS_RESET: - ipath_reset_qp(qp); + ipath_reset_qp(qp, ibqp->qp_type); break; case IB_QPS_ERR: @@ -647,7 +648,7 @@ int ipath_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, attr->port_num = 1; attr->timeout = qp->timeout; attr->retry_cnt = qp->s_retry_cnt; - attr->rnr_retry = qp->s_rnr_retry; + attr->rnr_retry = qp->s_rnr_retry_cnt; attr->alt_port_num = 0; attr->alt_timeout = 0; @@ -839,7 +840,7 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd, goto bail_qp; } qp->ip = NULL; - ipath_reset_qp(qp); + ipath_reset_qp(qp, init_attr->qp_type); break; default: diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c index 459e46e2c016..40f3e37d7adc 100644 --- a/drivers/infiniband/hw/ipath/ipath_rc.c +++ b/drivers/infiniband/hw/ipath/ipath_rc.c @@ -1196,6 +1196,10 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev, list_move_tail(&qp->timerwait, &dev->pending[dev->pending_index]); spin_unlock(&dev->pending_lock); + + if (opcode == OP(RDMA_READ_RESPONSE_MIDDLE)) + qp->s_retry = qp->s_retry_cnt; + /* * Update the RDMA receive state but do the copy w/o * holding the locks and blocking interrupts. diff --git a/drivers/infiniband/hw/ipath/ipath_registers.h b/drivers/infiniband/hw/ipath/ipath_registers.h index 6d2a17f9c1da..92ad73a7fff0 100644 --- a/drivers/infiniband/hw/ipath/ipath_registers.h +++ b/drivers/infiniband/hw/ipath/ipath_registers.h @@ -185,7 +185,7 @@ #define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3 #define INFINIPATH_IBCC_LINKINITCMD_SHIFT 16 #define INFINIPATH_IBCC_LINKCMD_MASK 0x3ULL -#define INFINIPATH_IBCC_LINKCMD_INIT 1 /* move to 0x11 */ +#define INFINIPATH_IBCC_LINKCMD_DOWN 1 /* move to 0x11 */ #define INFINIPATH_IBCC_LINKCMD_ARMED 2 /* move to 0x21 */ #define INFINIPATH_IBCC_LINKCMD_ACTIVE 3 /* move to 0x31 */ #define INFINIPATH_IBCC_LINKCMD_SHIFT 18 diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 39adb267fb15..0bef878e0f65 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -40,6 +40,7 @@ #include <linux/tcp.h> #include <linux/init.h> #include <linux/if_arp.h> +#include <linux/if_vlan.h> #include <linux/notifier.h> #include <linux/net.h> #include <linux/types.h> @@ -1072,7 +1073,7 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core, ts = current_kernel_time(); cm_node->tcp_cntxt.loc_seq_num = htonl(ts.tv_nsec); cm_node->tcp_cntxt.mss = nesvnic->max_frame_size - sizeof(struct iphdr) - - sizeof(struct tcphdr) - ETH_HLEN; + sizeof(struct tcphdr) - ETH_HLEN - VLAN_HLEN; cm_node->tcp_cntxt.rcv_nxt = 0; /* get a unique session ID , add thread_id to an upcounter to handle race */ atomic_inc(&cm_core->node_cnt); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 52b1bebfa744..2490b2d79dbb 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -38,6 +38,7 @@ #include <net/icmp.h> #include <linux/icmpv6.h> #include <linux/delay.h> +#include <linux/vmalloc.h> #include "ipoib.h" @@ -637,6 +638,7 @@ static inline int post_send(struct ipoib_dev_priv *priv, priv->tx_sge[0].addr = addr; priv->tx_sge[0].length = len; + priv->tx_wr.num_sge = 1; priv->tx_wr.wr_id = wr_id | IPOIB_OP_CM; return ib_post_send(tx->qp, &priv->tx_wr, &bad_wr); @@ -1030,13 +1032,13 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn, struct ipoib_dev_priv *priv = netdev_priv(p->dev); int ret; - p->tx_ring = kzalloc(ipoib_sendq_size * sizeof *p->tx_ring, - GFP_KERNEL); + p->tx_ring = vmalloc(ipoib_sendq_size * sizeof *p->tx_ring); if (!p->tx_ring) { ipoib_warn(priv, "failed to allocate tx ring\n"); ret = -ENOMEM; goto err_tx; } + memset(p->tx_ring, 0, ipoib_sendq_size * sizeof *p->tx_ring); p->qp = ipoib_cm_create_tx_qp(p->dev, p); if (IS_ERR(p->qp)) { @@ -1077,6 +1079,7 @@ err_id: ib_destroy_qp(p->qp); err_qp: p->qp = NULL; + vfree(p->tx_ring); err_tx: return ret; } @@ -1127,7 +1130,7 @@ timeout: if (p->qp) ib_destroy_qp(p->qp); - kfree(p->tx_ring); + vfree(p->tx_ring); kfree(p); } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index f96477a8ca5a..57282048865c 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -41,6 +41,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/kernel.h> +#include <linux/vmalloc.h> #include <linux/if_arp.h> /* For ARPHRD_xxx */ @@ -887,13 +888,13 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port) goto out; } - priv->tx_ring = kzalloc(ipoib_sendq_size * sizeof *priv->tx_ring, - GFP_KERNEL); + priv->tx_ring = vmalloc(ipoib_sendq_size * sizeof *priv->tx_ring); if (!priv->tx_ring) { printk(KERN_WARNING "%s: failed to allocate TX ring (%d entries)\n", ca->name, ipoib_sendq_size); goto out_rx_ring_cleanup; } + memset(priv->tx_ring, 0, ipoib_sendq_size * sizeof *priv->tx_ring); /* priv->tx_head, tx_tail & tx_outstanding are already 0 */ @@ -903,7 +904,7 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port) return 0; out_tx_ring_cleanup: - kfree(priv->tx_ring); + vfree(priv->tx_ring); out_rx_ring_cleanup: kfree(priv->rx_ring); @@ -928,7 +929,7 @@ void ipoib_dev_cleanup(struct net_device *dev) ipoib_ib_dev_cleanup(dev); kfree(priv->rx_ring); - kfree(priv->tx_ring); + vfree(priv->tx_ring); priv->rx_ring = NULL; priv->tx_ring = NULL; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 2628339e3a99..31a53c5bcb13 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -650,7 +650,7 @@ void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb) */ spin_lock(&priv->lock); - if (!test_bit(IPOIB_MCAST_STARTED, &priv->flags) || + if (!test_bit(IPOIB_FLAG_OPER_UP, &priv->flags) || !priv->broadcast || !test_bit(IPOIB_MCAST_FLAG_ATTACHED, &priv->broadcast->flags)) { ++dev->stats.tx_dropped; diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 0727b0a12557..99562cee827e 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -853,6 +853,9 @@ static void evdev_cleanup(struct evdev *evdev) evdev_hangup(evdev); evdev_remove_chrdev(evdev); + if (evdev->grab) + evdev_ungrab(evdev, evdev->grab); + /* evdev is marked dead so no one else accesses evdev->open */ if (evdev->open) { input_flush_device(handle, NULL); diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c index d2ade7443b7d..798d84c44d03 100644 --- a/drivers/input/misc/ixp4xx-beeper.c +++ b/drivers/input/misc/ixp4xx-beeper.c @@ -25,6 +25,7 @@ MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); MODULE_DESCRIPTION("ixp4xx beeper driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:ixp4xx-beeper"); static DEFINE_SPINLOCK(beep_lock); diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c index 9cef6fcf587b..d4ad6992f776 100644 --- a/drivers/isdn/i4l/isdn_common.c +++ b/drivers/isdn/i4l/isdn_common.c @@ -981,13 +981,13 @@ isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack) } -static __inline int +static inline int isdn_minor2drv(int minor) { return (dev->drvmap[minor]); } -static __inline int +static inline int isdn_minor2chan(int minor) { return (dev->chanmap[minor]); diff --git a/drivers/isdn/i4l/isdn_v110.c b/drivers/isdn/i4l/isdn_v110.c index 5484d3c38a57..c5d02b6aafab 100644 --- a/drivers/isdn/i4l/isdn_v110.c +++ b/drivers/isdn/i4l/isdn_v110.c @@ -62,7 +62,7 @@ static unsigned char V110_OffMatrix_38400[] = * and to 67452301 when keylen = 2. This is necessary because ordering on * the isdn line is the other way. */ -static __inline unsigned char +static inline unsigned char FlipBits(unsigned char c, int keylen) { unsigned char b = c; diff --git a/drivers/lguest/Makefile b/drivers/lguest/Makefile index 5e8272d296d8..7d463c26124f 100644 --- a/drivers/lguest/Makefile +++ b/drivers/lguest/Makefile @@ -19,3 +19,11 @@ Beer: @for f in Preparation Guest Drivers Launcher Host Switcher Mastery; do echo "{==- $$f -==}"; make -s $$f; done; echo "{==-==}" Preparation Preparation! Guest Drivers Launcher Host Switcher Mastery: @sh ../../Documentation/lguest/extract $(PREFIX) `find ../../* -name '*.[chS]' -wholename '*lguest*'` +Puppy: + @clear + @printf " __ \n (___()'\`;\n /, /\`\n \\\\\\\"--\\\\\\ \n" + @sleep 2; clear; printf "\n\n Sit!\n\n"; sleep 1; clear + @printf " __ \n ()'\`; \n /\\|\` \n / | \n(/_)_|_ \n" + @sleep 2; clear; printf "\n\n Stand!\n\n"; sleep 1; clear + @printf " __ \n ()'\`; \n /\\|\` \n /._.= \n /| / \n(_\_)_ \n" + @sleep 2; clear; printf "\n\n Good puppy!\n\n"; sleep 1; clear diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c index c632c08cbbdc..5eea4356d703 100644 --- a/drivers/lguest/core.c +++ b/drivers/lguest/core.c @@ -1,8 +1,6 @@ /*P:400 This contains run_guest() which actually calls into the Host<->Guest * Switcher and analyzes the return, such as determining if the Guest wants the - * Host to do something. This file also contains useful helper routines, and a - * couple of non-obvious setup and teardown pieces which were implemented after - * days of debugging pain. :*/ + * Host to do something. This file also contains useful helper routines. :*/ #include <linux/module.h> #include <linux/stringify.h> #include <linux/stddef.h> @@ -49,8 +47,8 @@ static __init int map_switcher(void) * easy. */ - /* We allocate an array of "struct page"s. map_vm_area() wants the - * pages in this form, rather than just an array of pointers. */ + /* We allocate an array of struct page pointers. map_vm_area() wants + * this, rather than just an array of pages. */ switcher_page = kmalloc(sizeof(switcher_page[0])*TOTAL_SWITCHER_PAGES, GFP_KERNEL); if (!switcher_page) { @@ -172,7 +170,7 @@ void __lgread(struct lg_cpu *cpu, void *b, unsigned long addr, unsigned bytes) } } -/* This is the write (copy into guest) version. */ +/* This is the write (copy into Guest) version. */ void __lgwrite(struct lg_cpu *cpu, unsigned long addr, const void *b, unsigned bytes) { @@ -209,9 +207,9 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user) if (cpu->break_out) return -EAGAIN; - /* Check if there are any interrupts which can be delivered - * now: if so, this sets up the hander to be executed when we - * next run the Guest. */ + /* Check if there are any interrupts which can be delivered now: + * if so, this sets up the hander to be executed when we next + * run the Guest. */ maybe_do_interrupt(cpu); /* All long-lived kernel loops need to check with this horrible @@ -246,8 +244,10 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user) lguest_arch_handle_trap(cpu); } + /* Special case: Guest is 'dead' but wants a reboot. */ if (cpu->lg->dead == ERR_PTR(-ERESTART)) return -ERESTART; + /* The Guest is dead => "No such file or directory" */ return -ENOENT; } diff --git a/drivers/lguest/hypercalls.c b/drivers/lguest/hypercalls.c index 0f2cb4fd7c69..54d66f05fefa 100644 --- a/drivers/lguest/hypercalls.c +++ b/drivers/lguest/hypercalls.c @@ -29,7 +29,7 @@ #include "lg.h" /*H:120 This is the core hypercall routine: where the Guest gets what it wants. - * Or gets killed. Or, in the case of LHCALL_CRASH, both. */ + * Or gets killed. Or, in the case of LHCALL_SHUTDOWN, both. */ static void do_hcall(struct lg_cpu *cpu, struct hcall_args *args) { switch (args->arg0) { @@ -190,6 +190,13 @@ static void initialize(struct lg_cpu *cpu) * pagetable. */ guest_pagetable_clear_all(cpu); } +/*:*/ + +/*M:013 If a Guest reads from a page (so creates a mapping) that it has never + * written to, and then the Launcher writes to it (ie. the output of a virtual + * device), the Guest will still see the old page. In practice, this never + * happens: why would the Guest read a page which it has never written to? But + * a similar scenario might one day bite us, so it's worth mentioning. :*/ /*H:100 * Hypercalls @@ -227,7 +234,7 @@ void do_hypercalls(struct lg_cpu *cpu) * However, if we are signalled or the Guest sends I/O to the * Launcher, the run_guest() loop will exit without running the * Guest. When it comes back it would try to re-run the - * hypercall. */ + * hypercall. Finding that bug sucked. */ cpu->hcall = NULL; } } diff --git a/drivers/lguest/interrupts_and_traps.c b/drivers/lguest/interrupts_and_traps.c index 32e97c1858e5..0414ddf87587 100644 --- a/drivers/lguest/interrupts_and_traps.c +++ b/drivers/lguest/interrupts_and_traps.c @@ -144,7 +144,6 @@ void maybe_do_interrupt(struct lg_cpu *cpu) if (copy_from_user(&blk, cpu->lg->lguest_data->blocked_interrupts, sizeof(blk))) return; - bitmap_andnot(blk, cpu->irqs_pending, blk, LGUEST_IRQS); /* Find the first interrupt. */ @@ -237,9 +236,9 @@ void free_interrupts(void) clear_bit(syscall_vector, used_vectors); } -/*H:220 Now we've got the routines to deliver interrupts, delivering traps - * like page fault is easy. The only trick is that Intel decided that some - * traps should have error codes: */ +/*H:220 Now we've got the routines to deliver interrupts, delivering traps like + * page fault is easy. The only trick is that Intel decided that some traps + * should have error codes: */ static int has_err(unsigned int trap) { return (trap == 8 || (trap >= 10 && trap <= 14) || trap == 17); diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c index 1b2ec0bf5eb1..2bc9bf7e88e5 100644 --- a/drivers/lguest/lguest_device.c +++ b/drivers/lguest/lguest_device.c @@ -1,10 +1,10 @@ /*P:050 Lguest guests use a very simple method to describe devices. It's a - * series of device descriptors contained just above the top of normal + * series of device descriptors contained just above the top of normal Guest * memory. * * We use the standard "virtio" device infrastructure, which provides us with a * console, a network and a block driver. Each one expects some configuration - * information and a "virtqueue" mechanism to send and receive data. :*/ + * information and a "virtqueue" or two to send and receive data. :*/ #include <linux/init.h> #include <linux/bootmem.h> #include <linux/lguest_launcher.h> @@ -53,7 +53,7 @@ struct lguest_device { * Device configurations * * The configuration information for a device consists of one or more - * virtqueues, a feature bitmaks, and some configuration bytes. The + * virtqueues, a feature bitmap, and some configuration bytes. The * configuration bytes don't really matter to us: the Launcher sets them up, and * the driver will look at them during setup. * @@ -179,7 +179,7 @@ struct lguest_vq_info }; /* When the virtio_ring code wants to prod the Host, it calls us here and we - * make a hypercall. We hand the page number of the virtqueue so the Host + * make a hypercall. We hand the physical address of the virtqueue so the Host * knows which virtqueue we're talking about. */ static void lg_notify(struct virtqueue *vq) { @@ -199,7 +199,8 @@ static void lg_notify(struct virtqueue *vq) * allocate its own pages and tell the Host where they are, but for lguest it's * simpler for the Host to simply tell us where the pages are. * - * So we provide devices with a "find virtqueue and set it up" function. */ + * So we provide drivers with a "find the Nth virtqueue and set it up" + * function. */ static struct virtqueue *lg_find_vq(struct virtio_device *vdev, unsigned index, void (*callback)(struct virtqueue *vq)) diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c index 2221485b0773..645e6e040bfb 100644 --- a/drivers/lguest/lguest_user.c +++ b/drivers/lguest/lguest_user.c @@ -73,7 +73,7 @@ static ssize_t read(struct file *file, char __user *user, size_t size,loff_t*o) if (current != cpu->tsk) return -EPERM; - /* If the guest is already dead, we indicate why */ + /* If the Guest is already dead, we indicate why */ if (lg->dead) { size_t len; @@ -88,7 +88,7 @@ static ssize_t read(struct file *file, char __user *user, size_t size,loff_t*o) return len; } - /* If we returned from read() last time because the Guest notified, + /* If we returned from read() last time because the Guest sent I/O, * clear the flag. */ if (cpu->pending_notify) cpu->pending_notify = 0; @@ -97,14 +97,20 @@ static ssize_t read(struct file *file, char __user *user, size_t size,loff_t*o) return run_guest(cpu, (unsigned long __user *)user); } +/*L:025 This actually initializes a CPU. For the moment, a Guest is only + * uniprocessor, so "id" is always 0. */ static int lg_cpu_start(struct lg_cpu *cpu, unsigned id, unsigned long start_ip) { + /* We have a limited number the number of CPUs in the lguest struct. */ if (id >= NR_CPUS) return -EINVAL; + /* Set up this CPU's id, and pointer back to the lguest struct. */ cpu->id = id; cpu->lg = container_of((cpu - id), struct lguest, cpus[0]); cpu->lg->nr_cpus++; + + /* Each CPU has a timer it can set. */ init_clockdev(cpu); /* We need a complete page for the Guest registers: they are accessible @@ -120,11 +126,11 @@ static int lg_cpu_start(struct lg_cpu *cpu, unsigned id, unsigned long start_ip) * address. */ lguest_arch_setup_regs(cpu, start_ip); - /* Initialize the queue for the waker to wait on */ + /* Initialize the queue for the Waker to wait on */ init_waitqueue_head(&cpu->break_wq); /* We keep a pointer to the Launcher task (ie. current task) for when - * other Guests want to wake this one (inter-Guest I/O). */ + * other Guests want to wake this one (eg. console input). */ cpu->tsk = current; /* We need to keep a pointer to the Launcher's memory map, because if @@ -136,6 +142,7 @@ static int lg_cpu_start(struct lg_cpu *cpu, unsigned id, unsigned long start_ip) * when the same Guest runs on the same CPU twice. */ cpu->last_pages = NULL; + /* No error == success. */ return 0; } @@ -182,17 +189,16 @@ static int initialize(struct file *file, const unsigned long __user *input) } /* Populate the easy fields of our "struct lguest" */ - lg->mem_base = (void __user *)(long)args[0]; + lg->mem_base = (void __user *)args[0]; lg->pfn_limit = args[1]; - /* This is the first cpu */ + /* This is the first cpu (cpu 0) and it will start booting at args[3] */ err = lg_cpu_start(&lg->cpus[0], 0, args[3]); if (err) goto release_guest; /* Initialize the Guest's shadow page tables, using the toplevel - * address the Launcher gave us. This allocates memory, so can - * fail. */ + * address the Launcher gave us. This allocates memory, so can fail. */ err = init_guest_pagetable(lg, args[2]); if (err) goto free_regs; @@ -218,11 +224,16 @@ unlock: /*L:010 The first operation the Launcher does must be a write. All writes * start with an unsigned long number: for the first write this must be * LHREQ_INITIALIZE to set up the Guest. After that the Launcher can use - * writes of other values to send interrupts. */ + * writes of other values to send interrupts. + * + * Note that we overload the "offset" in the /dev/lguest file to indicate what + * CPU number we're dealing with. Currently this is always 0, since we only + * support uniprocessor Guests, but you can see the beginnings of SMP support + * here. */ static ssize_t write(struct file *file, const char __user *in, size_t size, loff_t *off) { - /* Once the guest is initialized, we hold the "struct lguest" in the + /* Once the Guest is initialized, we hold the "struct lguest" in the * file private data. */ struct lguest *lg = file->private_data; const unsigned long __user *input = (const unsigned long __user *)in; @@ -230,6 +241,7 @@ static ssize_t write(struct file *file, const char __user *in, struct lg_cpu *uninitialized_var(cpu); unsigned int cpu_id = *off; + /* The first value tells us what this request is. */ if (get_user(req, input) != 0) return -EFAULT; input++; diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c index a7f64a9d67e0..d93500f24fbb 100644 --- a/drivers/lguest/page_tables.c +++ b/drivers/lguest/page_tables.c @@ -2,8 +2,8 @@ * previous encounters. It's functional, and as neat as it can be in the * circumstances, but be wary, for these things are subtle and break easily. * The Guest provides a virtual to physical mapping, but we can neither trust - * it nor use it: we verify and convert it here to point the hardware to the - * actual Guest pages when running the Guest. :*/ + * it nor use it: we verify and convert it here then point the CPU to the + * converted Guest pages when running the Guest. :*/ /* Copyright (C) Rusty Russell IBM Corporation 2006. * GPL v2 and any later version */ @@ -106,6 +106,11 @@ static unsigned long gpte_addr(pgd_t gpgd, unsigned long vaddr) BUG_ON(!(pgd_flags(gpgd) & _PAGE_PRESENT)); return gpage + ((vaddr>>PAGE_SHIFT) % PTRS_PER_PTE) * sizeof(pte_t); } +/*:*/ + +/*M:014 get_pfn is slow; it takes the mmap sem and calls get_user_pages. We + * could probably try to grab batches of pages here as an optimization + * (ie. pre-faulting). :*/ /*H:350 This routine takes a page number given by the Guest and converts it to * an actual, physical page number. It can fail for several reasons: the @@ -113,8 +118,8 @@ static unsigned long gpte_addr(pgd_t gpgd, unsigned long vaddr) * and the page is read-only, or the write flag was set and the page was * shared so had to be copied, but we ran out of memory. * - * This holds a reference to the page, so release_pte() is careful to - * put that back. */ + * This holds a reference to the page, so release_pte() is careful to put that + * back. */ static unsigned long get_pfn(unsigned long virtpfn, int write) { struct page *page; @@ -532,13 +537,13 @@ static void do_set_pte(struct lg_cpu *cpu, int idx, * all processes. So when the page table above that address changes, we update * all the page tables, not just the current one. This is rare. * - * The benefit is that when we have to track a new page table, we can copy keep - * all the kernel mappings. This speeds up context switch immensely. */ + * The benefit is that when we have to track a new page table, we can keep all + * the kernel mappings. This speeds up context switch immensely. */ void guest_set_pte(struct lg_cpu *cpu, unsigned long gpgdir, unsigned long vaddr, pte_t gpte) { - /* Kernel mappings must be changed on all top levels. Slow, but - * doesn't happen often. */ + /* Kernel mappings must be changed on all top levels. Slow, but doesn't + * happen often. */ if (vaddr >= cpu->lg->kernel_address) { unsigned int i; for (i = 0; i < ARRAY_SIZE(cpu->lg->pgdirs); i++) @@ -704,12 +709,11 @@ static __init void populate_switcher_pte_page(unsigned int cpu, /* We've made it through the page table code. Perhaps our tired brains are * still processing the details, or perhaps we're simply glad it's over. * - * If nothing else, note that all this complexity in juggling shadow page - * tables in sync with the Guest's page tables is for one reason: for most - * Guests this page table dance determines how bad performance will be. This - * is why Xen uses exotic direct Guest pagetable manipulation, and why both - * Intel and AMD have implemented shadow page table support directly into - * hardware. + * If nothing else, note that all this complexity in juggling shadow page tables + * in sync with the Guest's page tables is for one reason: for most Guests this + * page table dance determines how bad performance will be. This is why Xen + * uses exotic direct Guest pagetable manipulation, and why both Intel and AMD + * have implemented shadow page table support directly into hardware. * * There is just one file remaining in the Host. */ diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c index 635187812d52..5126d5d9ea0e 100644 --- a/drivers/lguest/x86/core.c +++ b/drivers/lguest/x86/core.c @@ -17,6 +17,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +/*P:450 This file contains the x86-specific lguest code. It used to be all + * mixed in with drivers/lguest/core.c but several foolhardy code slashers + * wrestled most of the dependencies out to here in preparation for porting + * lguest to other architectures (see what I mean by foolhardy?). + * + * This also contains a couple of non-obvious setup and teardown pieces which + * were implemented after days of debugging pain. :*/ #include <linux/kernel.h> #include <linux/start_kernel.h> #include <linux/string.h> @@ -157,6 +164,8 @@ static void run_guest_once(struct lg_cpu *cpu, struct lguest_pages *pages) * also simplify copy_in_guest_info(). Note that we'd still need to restore * things when we exit to Launcher userspace, but that's fairly easy. * + * We could also try using this hooks for PGE, but that might be too expensive. + * * The hooks were designed for KVM, but we can also put them to good use. :*/ /*H:040 This is the i386-specific code to setup and run the Guest. Interrupts @@ -182,7 +191,7 @@ void lguest_arch_run_guest(struct lg_cpu *cpu) * was doing. */ run_guest_once(cpu, lguest_pages(raw_smp_processor_id())); - /* Note that the "regs" pointer contains two extra entries which are + /* Note that the "regs" structure contains two extra entries which are * not really registers: a trap number which says what interrupt or * trap made the switcher code come back, and an error code which some * traps set. */ @@ -293,11 +302,10 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu) break; case 14: /* We've intercepted a Page Fault. */ /* The Guest accessed a virtual address that wasn't mapped. - * This happens a lot: we don't actually set up most of the - * page tables for the Guest at all when we start: as it runs - * it asks for more and more, and we set them up as - * required. In this case, we don't even tell the Guest that - * the fault happened. + * This happens a lot: we don't actually set up most of the page + * tables for the Guest at all when we start: as it runs it asks + * for more and more, and we set them up as required. In this + * case, we don't even tell the Guest that the fault happened. * * The errcode tells whether this was a read or a write, and * whether kernel or userspace code. */ @@ -342,7 +350,7 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu) if (!deliver_trap(cpu, cpu->regs->trapnum)) /* If the Guest doesn't have a handler (either it hasn't * registered any yet, or it's one of the faults we don't let - * it handle), it dies with a cryptic error message. */ + * it handle), it dies with this cryptic error message. */ kill_guest(cpu, "unhandled trap %li at %#lx (%#lx)", cpu->regs->trapnum, cpu->regs->eip, cpu->regs->trapnum == 14 ? cpu->arch.last_pagefault @@ -375,8 +383,8 @@ void __init lguest_arch_host_init(void) * The only exception is the interrupt handlers in switcher.S: their * addresses are placed in a table (default_idt_entries), so we need to * update the table with the new addresses. switcher_offset() is a - * convenience function which returns the distance between the builtin - * switcher code and the high-mapped copy we just made. */ + * convenience function which returns the distance between the + * compiled-in switcher code and the high-mapped copy we just made. */ for (i = 0; i < IDT_ENTRIES; i++) default_idt_entries[i] += switcher_offset(); @@ -416,7 +424,7 @@ void __init lguest_arch_host_init(void) state->guest_gdt_desc.address = (long)&state->guest_gdt; /* We know where we want the stack to be when the Guest enters - * the switcher: in pages->regs. The stack grows upwards, so + * the Switcher: in pages->regs. The stack grows upwards, so * we start it at the end of that structure. */ state->guest_tss.sp0 = (long)(&pages->regs + 1); /* And this is the GDT entry to use for the stack: we keep a @@ -513,8 +521,8 @@ int lguest_arch_init_hypercalls(struct lg_cpu *cpu) { u32 tsc_speed; - /* The pointer to the Guest's "struct lguest_data" is the only - * argument. We check that address now. */ + /* The pointer to the Guest's "struct lguest_data" is the only argument. + * We check that address now. */ if (!lguest_address_ok(cpu->lg, cpu->hcall->arg1, sizeof(*cpu->lg->lguest_data))) return -EFAULT; @@ -546,6 +554,7 @@ int lguest_arch_init_hypercalls(struct lg_cpu *cpu) return 0; } +/*:*/ /*L:030 lguest_arch_setup_regs() * diff --git a/drivers/lguest/x86/switcher_32.S b/drivers/lguest/x86/switcher_32.S index 0af8baaa0d4a..3fc15318a80f 100644 --- a/drivers/lguest/x86/switcher_32.S +++ b/drivers/lguest/x86/switcher_32.S @@ -1,6 +1,6 @@ -/*P:900 This is the Switcher: code which sits at 0xFFC00000 to do the low-level - * Guest<->Host switch. It is as simple as it can be made, but it's naturally - * very specific to x86. +/*P:900 This is the Switcher: code which sits at 0xFFC00000 astride both the + * Host and Guest to do the low-level Guest<->Host switch. It is as simple as + * it can be made, but it's naturally very specific to x86. * * You have now completed Preparation. If this has whet your appetite; if you * are feeling invigorated and refreshed then the next, more challenging stage @@ -189,7 +189,7 @@ ENTRY(switch_to_guest) // Interrupts are turned back on: we are Guest. iret -// We treat two paths to switch back to the Host +// We tread two paths to switch back to the Host // Yet both must save Guest state and restore Host // So we put the routine in a macro. #define SWITCH_TO_HOST \ diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c index 741a2e3f4fc6..a348bb0791d3 100644 --- a/drivers/macintosh/via-pmu-backlight.c +++ b/drivers/macintosh/via-pmu-backlight.c @@ -17,7 +17,7 @@ static struct backlight_ops pmu_backlight_data; static DEFINE_SPINLOCK(pmu_backlight_lock); -static int sleeping; +static int sleeping, uses_pmu_bl; static u8 bl_curve[FB_BACKLIGHT_LEVELS]; static void pmu_backlight_init_curve(u8 off, u8 min, u8 max) @@ -128,7 +128,7 @@ void pmu_backlight_set_sleep(int sleep) spin_lock_irqsave(&pmu_backlight_lock, flags); sleeping = sleep; - if (pmac_backlight) { + if (pmac_backlight && uses_pmu_bl) { if (sleep) { struct adb_request req; @@ -166,6 +166,7 @@ void __init pmu_backlight_init() printk(KERN_ERR "PMU Backlight registration failed\n"); return; } + uses_pmu_bl = 1; bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; pmu_backlight_init_curve(0x7F, 0x46, 0x0E); diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index ebec663d5d37..d6365a9f0637 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -2528,7 +2528,7 @@ EXPORT_SYMBOL(pmu_wait_complete); EXPORT_SYMBOL(pmu_suspend); EXPORT_SYMBOL(pmu_resume); EXPORT_SYMBOL(pmu_unlock); -#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) +#if defined(CONFIG_PPC32) EXPORT_SYMBOL(pmu_enable_irled); EXPORT_SYMBOL(pmu_battery_count); EXPORT_SYMBOL(pmu_batteries); diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index b04f98df94ea..835def11419d 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1,7 +1,7 @@ /* * Copyright (C) 2003 Christophe Saout <christophe@saout.de> * Copyright (C) 2004 Clemens Fruhwirth <clemens@endorphin.org> - * Copyright (C) 2006-2007 Red Hat, Inc. All rights reserved. + * Copyright (C) 2006-2008 Red Hat, Inc. All rights reserved. * * This file is released under the GPL. */ @@ -93,6 +93,8 @@ struct crypt_config { struct workqueue_struct *io_queue; struct workqueue_struct *crypt_queue; + wait_queue_head_t writeq; + /* * crypto related data */ @@ -331,14 +333,7 @@ static void crypt_convert_init(struct crypt_config *cc, ctx->idx_out = bio_out ? bio_out->bi_idx : 0; ctx->sector = sector + cc->iv_offset; init_completion(&ctx->restart); - /* - * Crypto operation can be asynchronous, - * ctx->pending is increased after request submission. - * We need to ensure that we don't call the crypt finish - * operation before pending got incremented - * (dependent on crypt submission return code). - */ - atomic_set(&ctx->pending, 2); + atomic_set(&ctx->pending, 1); } static int crypt_convert_block(struct crypt_config *cc, @@ -411,43 +406,42 @@ static void crypt_alloc_req(struct crypt_config *cc, static int crypt_convert(struct crypt_config *cc, struct convert_context *ctx) { - int r = 0; + int r; while(ctx->idx_in < ctx->bio_in->bi_vcnt && ctx->idx_out < ctx->bio_out->bi_vcnt) { crypt_alloc_req(cc, ctx); + atomic_inc(&ctx->pending); + r = crypt_convert_block(cc, ctx, cc->req); switch (r) { + /* async */ case -EBUSY: wait_for_completion(&ctx->restart); INIT_COMPLETION(ctx->restart); /* fall through*/ case -EINPROGRESS: - atomic_inc(&ctx->pending); cc->req = NULL; - r = 0; - /* fall through*/ + ctx->sector++; + continue; + + /* sync */ case 0: + atomic_dec(&ctx->pending); ctx->sector++; continue; - } - break; + /* error */ + default: + atomic_dec(&ctx->pending); + return r; + } } - /* - * If there are pending crypto operation run async - * code. Otherwise process return code synchronously. - * The step of 2 ensures that async finish doesn't - * call crypto finish too early. - */ - if (atomic_sub_return(2, &ctx->pending)) - return -EINPROGRESS; - - return r; + return 0; } static void dm_crypt_bio_destructor(struct bio *bio) @@ -624,8 +618,10 @@ static void kcryptd_io_read(struct dm_crypt_io *io) static void kcryptd_io_write(struct dm_crypt_io *io) { struct bio *clone = io->ctx.bio_out; + struct crypt_config *cc = io->target->private; generic_make_request(clone); + wake_up(&cc->writeq); } static void kcryptd_io(struct work_struct *work) @@ -698,7 +694,8 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) r = crypt_convert(cc, &io->ctx); - if (r != -EINPROGRESS) { + if (atomic_dec_and_test(&io->ctx.pending)) { + /* processed, no running async crypto */ kcryptd_crypt_write_io_submit(io, r, 0); if (unlikely(r < 0)) return; @@ -706,8 +703,12 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) atomic_inc(&io->pending); /* out of memory -> run queues */ - if (unlikely(remaining)) + if (unlikely(remaining)) { + /* wait for async crypto then reinitialize pending */ + wait_event(cc->writeq, !atomic_read(&io->ctx.pending)); + atomic_set(&io->ctx.pending, 1); congestion_wait(WRITE, HZ/100); + } } } @@ -746,7 +747,7 @@ static void kcryptd_crypt_read_convert(struct dm_crypt_io *io) r = crypt_convert(cc, &io->ctx); - if (r != -EINPROGRESS) + if (atomic_dec_and_test(&io->ctx.pending)) kcryptd_crypt_read_done(io, r); crypt_dec_pending(io); @@ -1047,6 +1048,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad_crypt_queue; } + init_waitqueue_head(&cc->writeq); ti->private = cc; return 0; diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index b8e342fe7586..8f25f628ef16 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -114,7 +114,7 @@ static void dec_count(struct io *io, unsigned int region, int error) wake_up_process(io->sleeper); else { - int r = io->error; + unsigned long r = io->error; io_notify_fn fn = io->callback; void *context = io->context; diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 51605870f898..762cb086bb7f 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -753,7 +753,7 @@ out: * are in the no-sync state. We have to recover these by * recopying from the default mirror to all the others. *---------------------------------------------------------------*/ -static void recovery_complete(int read_err, unsigned int write_err, +static void recovery_complete(int read_err, unsigned long write_err, void *context) { struct region *reg = (struct region *)context; @@ -767,7 +767,7 @@ static void recovery_complete(int read_err, unsigned int write_err, } if (write_err) { - DMERR_LIMIT("Write error during recovery (error = 0x%x)", + DMERR_LIMIT("Write error during recovery (error = 0x%lx)", write_err); /* * Bits correspond to devices (excluding default mirror). diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index ae24eab8cd81..4dc8a43c034b 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -804,7 +804,7 @@ static void commit_callback(void *context, int success) * Called when the copy I/O has finished. kcopyd actually runs * this code so don't block. */ -static void copy_callback(int read_err, unsigned int write_err, void *context) +static void copy_callback(int read_err, unsigned long write_err, void *context) { struct dm_snap_pending_exception *pe = context; struct dm_snapshot *s = pe->snap; diff --git a/drivers/md/kcopyd.c b/drivers/md/kcopyd.c index f3831f31223e..e76b52ade690 100644 --- a/drivers/md/kcopyd.c +++ b/drivers/md/kcopyd.c @@ -169,7 +169,7 @@ struct kcopyd_job { * Error state of the job. */ int read_err; - unsigned int write_err; + unsigned long write_err; /* * Either READ or WRITE @@ -293,7 +293,7 @@ static int run_complete_job(struct kcopyd_job *job) { void *context = job->context; int read_err = job->read_err; - unsigned int write_err = job->write_err; + unsigned long write_err = job->write_err; kcopyd_notify_fn fn = job->fn; struct kcopyd_client *kc = job->kc; @@ -396,7 +396,7 @@ static int process_jobs(struct list_head *jobs, int (*fn) (struct kcopyd_job *)) if (r < 0) { /* error this rogue job */ if (job->rw == WRITE) - job->write_err = (unsigned int) -1; + job->write_err = (unsigned long) -1L; else job->read_err = 1; push(&_complete_jobs, job); @@ -448,8 +448,8 @@ static void dispatch_job(struct kcopyd_job *job) } #define SUB_JOB_SIZE 128 -static void segment_complete(int read_err, - unsigned int write_err, void *context) +static void segment_complete(int read_err, unsigned long write_err, + void *context) { /* FIXME: tidy this function */ sector_t progress = 0; diff --git a/drivers/md/kcopyd.h b/drivers/md/kcopyd.h index 4621ea055c0e..4845f2a0c676 100644 --- a/drivers/md/kcopyd.h +++ b/drivers/md/kcopyd.h @@ -32,8 +32,8 @@ void kcopyd_client_destroy(struct kcopyd_client *kc); * read_err is a boolean, * write_err is a bitset, with 1 bit for each destination region */ -typedef void (*kcopyd_notify_fn)(int read_err, - unsigned int write_err, void *context); +typedef void (*kcopyd_notify_fn)(int read_err, unsigned long write_err, + void *context); int kcopyd_copy(struct kcopyd_client *kc, struct io_region *from, unsigned int num_dests, struct io_region *dests, diff --git a/drivers/md/md.c b/drivers/md/md.c index ccbbf63727cc..61ccbd2683fa 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1864,17 +1864,6 @@ static struct rdev_sysfs_entry rdev_state = __ATTR(state, S_IRUGO|S_IWUSR, state_show, state_store); static ssize_t -super_show(mdk_rdev_t *rdev, char *page) -{ - if (rdev->sb_loaded && rdev->sb_size) { - memcpy(page, page_address(rdev->sb_page), rdev->sb_size); - return rdev->sb_size; - } else - return 0; -} -static struct rdev_sysfs_entry rdev_super = __ATTR_RO(super); - -static ssize_t errors_show(mdk_rdev_t *rdev, char *page) { return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors)); @@ -2060,7 +2049,6 @@ __ATTR(size, S_IRUGO|S_IWUSR, rdev_size_show, rdev_size_store); static struct attribute *rdev_default_attrs[] = { &rdev_state.attr, - &rdev_super.attr, &rdev_errors.attr, &rdev_slot.attr, &rdev_offset.attr, diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 2d6f1a51359c..c574cf5efb5c 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1143,7 +1143,7 @@ static void raid5_end_read_request(struct bio * bi, int error) rdev = conf->disks[i].rdev; printk(KERN_INFO "raid5:%s: read error corrected (%lu sectors at %llu on %s)\n", mdname(conf->mddev), STRIPE_SECTORS, - (unsigned long long)sh->sector + rdev->data_offset, + (unsigned long long)(sh->sector + rdev->data_offset), bdevname(rdev->bdev, b)); clear_bit(R5_ReadError, &sh->dev[i].flags); clear_bit(R5_ReWrite, &sh->dev[i].flags); @@ -1160,13 +1160,13 @@ static void raid5_end_read_request(struct bio * bi, int error) if (conf->mddev->degraded) printk(KERN_WARNING "raid5:%s: read error not correctable (sector %llu on %s).\n", mdname(conf->mddev), - (unsigned long long)sh->sector + rdev->data_offset, + (unsigned long long)(sh->sector + rdev->data_offset), bdn); else if (test_bit(R5_ReWrite, &sh->dev[i].flags)) /* Oh, no!!! */ printk(KERN_WARNING "raid5:%s: read error NOT corrected!! (sector %llu on %s).\n", mdname(conf->mddev), - (unsigned long long)sh->sector + rdev->data_offset, + (unsigned long long)(sh->sector + rdev->data_offset), bdn); else if (atomic_read(&rdev->read_errors) > conf->max_nr_stripes) diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c index 168a8d3a5e55..7707b8c7394b 100644 --- a/drivers/media/common/saa7146_core.c +++ b/drivers/media/common/saa7146_core.c @@ -306,25 +306,22 @@ static irqreturn_t interrupt_hw(int irq, void *dev_id) return IRQ_NONE; } - if( 0 != (dev->ext)) { - if( 0 != (dev->ext->irq_mask & isr )) { - if( 0 != dev->ext->irq_func ) { + if (dev->ext) { + if (dev->ext->irq_mask & isr) { + if (dev->ext->irq_func) dev->ext->irq_func(dev, &isr); - } isr &= ~dev->ext->irq_mask; } } if (0 != (isr & (MASK_27))) { DEB_INT(("irq: RPS0 (0x%08x).\n",isr)); - if( 0 != dev->vv_data && 0 != dev->vv_callback) { + if (dev->vv_data && dev->vv_callback) dev->vv_callback(dev,isr); - } isr &= ~MASK_27; } if (0 != (isr & (MASK_28))) { - if( 0 != dev->vv_data && 0 != dev->vv_callback) { + if (dev->vv_data && dev->vv_callback) dev->vv_callback(dev,isr); - } isr &= ~MASK_28; } if (0 != (isr & (MASK_16|MASK_17))) { diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c index f0703d8bc3e8..171afe7da6b6 100644 --- a/drivers/media/common/saa7146_fops.c +++ b/drivers/media/common/saa7146_fops.c @@ -272,7 +272,7 @@ static int fops_open(struct inode *inode, struct file *file) result = 0; out: - if( fh != 0 && result != 0 ) { + if (fh && result != 0) { kfree(fh); file->private_data = NULL; } diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c index ed3f8268ed11..4c8b62e2c035 100644 --- a/drivers/media/dvb/dvb-core/dvb_net.c +++ b/drivers/media/dvb/dvb-core/dvb_net.c @@ -784,8 +784,8 @@ static int dvb_net_ts_callback(const u8 *buffer1, size_t buffer1_len, { struct net_device *dev = feed->priv; - if (buffer2 != 0) - printk(KERN_WARNING "buffer2 not 0: %p.\n", buffer2); + if (buffer2) + printk(KERN_WARNING "buffer2 not NULL: %p.\n", buffer2); if (buffer1_len > 32768) printk(KERN_WARNING "length > 32k: %zu.\n", buffer1_len); /* printk("TS callback: %u bytes, %u TS cells @ %p.\n", diff --git a/drivers/media/dvb/dvb-usb/opera1.c b/drivers/media/dvb/dvb-usb/opera1.c index 21935bf7059e..302cc67407c3 100644 --- a/drivers/media/dvb/dvb-usb/opera1.c +++ b/drivers/media/dvb/dvb-usb/opera1.c @@ -478,9 +478,9 @@ static int opera1_xilinx_load_firmware(struct usb_device *dev, err("could not restart the USB controller CPU."); ret = -EINVAL; } - kfree(p); } } + kfree(p); if (fw) { release_firmware(fw); } diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 37072a21d8c9..1832966f53f3 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -305,7 +305,7 @@ comment "MPEG video encoders" config VIDEO_CX2341X tristate "Conexant CX2341x MPEG encoders" - depends on VIDEO_V4L2 && EXPERIMENTAL + depends on VIDEO_V4L2 && EXPERIMENTAL && VIDEO_V4L2_COMMON ---help--- Support for the Conexant CX23416 MPEG encoders and CX23415 MPEG encoder/decoders. @@ -382,7 +382,7 @@ endmenu # encoder / decoder chips config VIDEO_VIVI tristate "Virtual Video Driver" - depends on VIDEO_V4L2 && !SPARC32 && !SPARC64 + depends on VIDEO_DEV && VIDEO_V4L2 && !SPARC32 && !SPARC64 select VIDEOBUF_VMALLOC default n ---help--- diff --git a/drivers/media/video/adv7170.c b/drivers/media/video/adv7170.c index cbab53fc6243..fea2e723e34b 100644 --- a/drivers/media/video/adv7170.c +++ b/drivers/media/video/adv7170.c @@ -408,7 +408,7 @@ adv7170_detect_client (struct i2c_adapter *adapter, return 0; client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) + if (!client) return -ENOMEM; client->addr = address; client->adapter = adapter; diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c index 0d0c554bfdf7..10d4d89623f1 100644 --- a/drivers/media/video/adv7175.c +++ b/drivers/media/video/adv7175.c @@ -426,7 +426,7 @@ adv7175_detect_client (struct i2c_adapter *adapter, return 0; client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) + if (!client) return -ENOMEM; client->addr = address; client->adapter = adapter; diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c index 12d1b9248be5..e663cc045c41 100644 --- a/drivers/media/video/bt819.c +++ b/drivers/media/video/bt819.c @@ -524,7 +524,7 @@ bt819_detect_client (struct i2c_adapter *adapter, return 0; client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) + if (!client) return -ENOMEM; client->addr = address; client->adapter = adapter; diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c index e1028a76c042..7dee2e3235ad 100644 --- a/drivers/media/video/bt856.c +++ b/drivers/media/video/bt856.c @@ -311,7 +311,7 @@ bt856_detect_client (struct i2c_adapter *adapter, return 0; client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) + if (!client) return -ENOMEM; client->addr = address; client->adapter = adapter; diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index 5404fcc5276d..a080c149cc6c 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -3389,7 +3389,6 @@ static struct video_device bttv_video_template = .vidiocgmbuf = vidiocgmbuf, #endif .vidioc_g_crop = bttv_g_crop, - .vidioc_g_crop = bttv_g_crop, .vidioc_s_crop = bttv_s_crop, .vidioc_g_fbuf = bttv_g_fbuf, .vidioc_s_fbuf = bttv_s_fbuf, diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index e6b7f518c56e..8c9a8adf52de 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -2196,6 +2196,11 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr) cx88_reset(core); cx88_card_setup_pre_i2c(core); cx88_i2c_init(core, pci); + + /* load tuner module, if needed */ + if (TUNER_ABSENT != core->board.tuner_type) + request_module("tuner"); + cx88_call_i2c_clients (core, TUNER_SET_STANDBY, NULL); cx88_card_setup(core); cx88_ir_init(core, pci); diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index 7f1931aed207..227179620d13 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -1826,8 +1826,6 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev, cx_set(MO_PCI_INTMSK, core->pci_irqmask); /* load and configure helper modules */ - if (TUNER_ABSENT != core->board.tuner_type) - request_module("tuner"); if (core->board.audio_chip == AUDIO_CHIP_WM8775) request_module("wm8775"); diff --git a/drivers/media/video/dpc7146.c b/drivers/media/video/dpc7146.c index 566e479e2629..9ceb6b2f3949 100644 --- a/drivers/media/video/dpc7146.c +++ b/drivers/media/video/dpc7146.c @@ -131,7 +131,7 @@ static int dpc_probe(struct saa7146_dev* dev) device_for_each_child(&dpc->i2c_adapter.dev, dpc, dpc_check_clients); /* check if all devices are present */ - if( 0 == dpc->saa7111a ) { + if (!dpc->saa7111a) { DEB_D(("dpc_v4l2.o: dpc_attach failed for this device.\n")); i2c_del_adapter(&dpc->i2c_adapter); kfree(dpc); diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 7d1537cab867..c1caaa855b99 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -267,7 +267,7 @@ static int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 *val) for (i = 0; i < 10; i++) { if ((ret = em28xx_read_reg(dev, AC97BUSY_REG)) < 0) return ret; - if (!((u8) ret) & 0x01) + if (!(ret & 0x01)) return 0; msleep(5); } diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index d42f120354e5..948ca35e7ee8 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -54,7 +54,6 @@ #include "ivtv-vbi.h" #include "ivtv-routing.h" #include "ivtv-gpio.h" -#include "ivtv-yuv.h" #include <media/tveeprom.h> #include <media/saa7115.h> @@ -700,6 +699,9 @@ static int __devinit ivtv_init_struct1(struct ivtv *itv) itv->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced; + /* Init the sg table for osd/yuv output */ + sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT); + /* OSD */ itv->osd_global_alpha_state = 1; itv->osd_global_alpha = 255; @@ -1053,9 +1055,6 @@ static int __devinit ivtv_probe(struct pci_dev *dev, goto free_io; } - /* Check yuv output filter table */ - if (itv->has_cx23415) ivtv_yuv_filter_check(itv); - ivtv_gpio_init(itv); /* active i2c */ diff --git a/drivers/media/video/ivtv/ivtv-firmware.c b/drivers/media/video/ivtv/ivtv-firmware.c index 425eb1063904..6dba55b7e25a 100644 --- a/drivers/media/video/ivtv/ivtv-firmware.c +++ b/drivers/media/video/ivtv/ivtv-firmware.c @@ -22,6 +22,7 @@ #include "ivtv-driver.h" #include "ivtv-mailbox.h" #include "ivtv-firmware.h" +#include "ivtv-yuv.h" #include <linux/firmware.h> #define IVTV_MASK_SPU_ENABLE 0xFFFFFFFE @@ -225,11 +226,14 @@ int ivtv_firmware_init(struct ivtv *itv) return 0; itv->dec_mbox.mbox = ivtv_search_mailbox(itv->dec_mem, IVTV_DECODER_SIZE); - if (itv->dec_mbox.mbox == NULL) + if (itv->dec_mbox.mbox == NULL) { IVTV_ERR("Decoder mailbox not found\n"); - else if (itv->has_cx23415 && ivtv_vapi(itv, CX2341X_DEC_PING_FW, 0)) { + } else if (itv->has_cx23415 && ivtv_vapi(itv, CX2341X_DEC_PING_FW, 0)) { IVTV_ERR("Decoder firmware dead!\n"); itv->dec_mbox.mbox = NULL; + } else { + /* Firmware okay, so check yuv output filter table */ + ivtv_yuv_filter_check(itv); } return itv->dec_mbox.mbox ? 0 : -ENODEV; } diff --git a/drivers/media/video/mt20xx.c b/drivers/media/video/mt20xx.c index 58bab653330f..74fd6a01d4c4 100644 --- a/drivers/media/video/mt20xx.c +++ b/drivers/media/video/mt20xx.c @@ -647,7 +647,7 @@ struct dvb_frontend *microtune_attach(struct dvb_frontend *fe, default: tuner_info("microtune %s found, not (yet?) supported, sorry :-/\n", name); - return 0; + return NULL; } strlcpy(fe->ops.tuner_ops.info.name, name, diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c index add6d0d680be..cb5a510f9251 100644 --- a/drivers/media/video/mxb.c +++ b/drivers/media/video/mxb.c @@ -221,9 +221,8 @@ static int mxb_probe(struct saa7146_dev* dev) device_for_each_child(&mxb->i2c_adapter.dev, mxb, mxb_check_clients); /* check if all devices are present */ - if( 0 == mxb->tea6420_1 || 0 == mxb->tea6420_2 || 0 == mxb->tea6415c - || 0 == mxb->tda9840 || 0 == mxb->saa7111a || 0 == mxb->tuner ) { - + if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c || + !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) { printk("mxb: did not find all i2c devices. aborting\n"); i2c_del_adapter(&mxb->i2c_adapter); kfree(mxb); diff --git a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c index 46f156fb108c..5a3e8d21a38a 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c +++ b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c @@ -60,7 +60,7 @@ int pvr2_ctrl_set_mask_value(struct pvr2_ctrl *cptr,int mask,int val) int ret = 0; if (!cptr) return -EINVAL; LOCK_TAKE(cptr->hdw->big_lock); do { - if (cptr->info->set_value != 0) { + if (cptr->info->set_value) { if (cptr->info->type == pvr2_ctl_bitmask) { mask &= cptr->info->def.type_bitmask.valid_bits; } else if (cptr->info->type == pvr2_ctl_int) { @@ -265,7 +265,7 @@ unsigned int pvr2_ctrl_get_v4lflags(struct pvr2_ctrl *cptr) int pvr2_ctrl_is_writable(struct pvr2_ctrl *cptr) { if (!cptr) return 0; - return cptr->info->set_value != 0; + return cptr->info->set_value != NULL; } diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 41ae980405ed..d6955fa39598 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -2291,7 +2291,7 @@ static int pvr2_hdw_commit_setup(struct pvr2_hdw *hdw) for (idx = 0; idx < hdw->control_cnt; idx++) { cptr = hdw->controls + idx; - if (cptr->info->is_dirty == 0) continue; + if (!cptr->info->is_dirty) continue; if (!cptr->info->is_dirty(cptr)) continue; commit_flag = !0; @@ -2646,7 +2646,7 @@ void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw, u16 address; unsigned int pipe; LOCK_TAKE(hdw->big_lock); do { - if ((hdw->fw_buffer == 0) == !enable_flag) break; + if ((hdw->fw_buffer == NULL) == !enable_flag) break; if (!enable_flag) { pvr2_trace(PVR2_TRACE_FIRMWARE, @@ -2715,7 +2715,7 @@ void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw, /* Return true if we're in a mode for retrieval CPU firmware */ int pvr2_hdw_cpufw_get_enabled(struct pvr2_hdw *hdw) { - return hdw->fw_buffer != 0; + return hdw->fw_buffer != NULL; } diff --git a/drivers/media/video/pvrusb2/pvrusb2-io.c b/drivers/media/video/pvrusb2/pvrusb2-io.c index ce3c8982ffe0..a9889ff96ecc 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-io.c +++ b/drivers/media/video/pvrusb2/pvrusb2-io.c @@ -563,7 +563,7 @@ void pvr2_stream_kill(struct pvr2_stream *sp) struct pvr2_buffer *bp; mutex_lock(&sp->mutex); do { pvr2_stream_internal_flush(sp); - while ((bp = pvr2_stream_get_ready_buffer(sp)) != 0) { + while ((bp = pvr2_stream_get_ready_buffer(sp)) != NULL) { pvr2_buffer_set_idle(bp); } if (sp->buffer_total_count != sp->buffer_target_count) { diff --git a/drivers/media/video/pvrusb2/pvrusb2-ioread.c b/drivers/media/video/pvrusb2/pvrusb2-ioread.c index f782418afa45..c572212c9f15 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-ioread.c +++ b/drivers/media/video/pvrusb2/pvrusb2-ioread.c @@ -165,7 +165,7 @@ static int pvr2_ioread_start(struct pvr2_ioread *cp) if (!(cp->stream)) return 0; pvr2_trace(PVR2_TRACE_START_STOP, "/*---TRACE_READ---*/ pvr2_ioread_start id=%p",cp); - while ((bp = pvr2_stream_get_idle_buffer(cp->stream)) != 0) { + while ((bp = pvr2_stream_get_idle_buffer(cp->stream)) != NULL) { stat = pvr2_buffer_queue(bp); if (stat < 0) { pvr2_trace(PVR2_TRACE_DATA_FLOW, diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index f991d72fe108..e0a453a6543d 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -915,7 +915,7 @@ static void pwc_iso_stop(struct pwc_device *pdev) struct urb *urb; urb = pdev->sbuf[i].urb; - if (urb != 0) { + if (urb) { PWC_DEBUG_MEMORY("Unlinking URB %p\n", urb); usb_kill_urb(urb); } @@ -931,7 +931,7 @@ static void pwc_iso_free(struct pwc_device *pdev) struct urb *urb; urb = pdev->sbuf[i].urb; - if (urb != 0) { + if (urb) { PWC_DEBUG_MEMORY("Freeing URB\n"); usb_free_urb(urb); pdev->sbuf[i].urb = NULL; @@ -1759,8 +1759,7 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id /* Allocate video_device structure */ pdev->vdev = video_device_alloc(); - if (pdev->vdev == 0) - { + if (!pdev->vdev) { PWC_ERROR("Err, cannot allocate video_device struture. Failing probe."); kfree(pdev); return -ENOMEM; diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c index 061134a7ba9f..1df2602cd184 100644 --- a/drivers/media/video/saa7110.c +++ b/drivers/media/video/saa7110.c @@ -488,7 +488,7 @@ saa7110_detect_client (struct i2c_adapter *adapter, return 0; client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) + if (!client) return -ENOMEM; client->addr = address; client->adapter = adapter; @@ -496,7 +496,7 @@ saa7110_detect_client (struct i2c_adapter *adapter, strlcpy(I2C_NAME(client), "saa7110", sizeof(I2C_NAME(client))); decoder = kzalloc(sizeof(struct saa7110), GFP_KERNEL); - if (decoder == 0) { + if (!decoder) { kfree(client); return -ENOMEM; } diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c index 7ae2d646d000..a0772c53bb1f 100644 --- a/drivers/media/video/saa7111.c +++ b/drivers/media/video/saa7111.c @@ -502,7 +502,7 @@ saa7111_detect_client (struct i2c_adapter *adapter, return 0; client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) + if (!client) return -ENOMEM; client->addr = address; client->adapter = adapter; diff --git a/drivers/media/video/saa7114.c b/drivers/media/video/saa7114.c index 677df51de1a9..bf91a4faa706 100644 --- a/drivers/media/video/saa7114.c +++ b/drivers/media/video/saa7114.c @@ -841,7 +841,7 @@ saa7114_detect_client (struct i2c_adapter *adapter, return 0; client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) + if (!client) return -ENOMEM; client->addr = address; client->adapter = adapter; diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 262830da08c8..6f5744286e8c 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -2484,27 +2484,28 @@ struct saa7134_board saa7134_boards[] = { .tuner_addr = ADDR_UNSET, .radio_addr = ADDR_UNSET, .gpiomask = 0x080200000, - .inputs = {{ - .name = name_tv, - .vmux = 4, - .amux = TV, - .tv = 1, - },{ - .name = name_comp1, - .vmux = 1, - .amux = LINE2, - },{ - .name = name_comp2, - .vmux = 0, - .amux = LINE2, - },{ - .name = name_svideo, - .vmux = 8, - .amux = LINE2, - }}, + .inputs = { { + .name = name_tv, + .vmux = 4, + .amux = TV, + .tv = 1, + }, { + .name = name_comp1, + .vmux = 1, + .amux = LINE2, + }, { + .name = name_comp2, + .vmux = 0, + .amux = LINE2, + }, { + .name = name_svideo, + .vmux = 8, + .amux = LINE2, + } }, .radio = { - .name = name_radio, - .amux = LINE1, + .name = name_radio, + .amux = TV, + .gpio = 0x0200000, }, }, [SAA7134_BOARD_ASUSTeK_P7131_DUAL] = { diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 52baa4f7f7dd..58ab163fdbd7 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -1022,12 +1022,13 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev, saa7134_i2c_register(dev); /* initialize hardware #2 */ + if (TUNER_ABSENT != dev->tuner_type) + request_module("tuner"); saa7134_board_init2(dev); + saa7134_hwinit2(dev); /* load i2c helpers */ - if (TUNER_ABSENT != dev->tuner_type) - request_module("tuner"); if (card_is_empress(dev)) { request_module("saa6752hs"); } diff --git a/drivers/media/video/saa7185.c b/drivers/media/video/saa7185.c index 66cc92c0ea66..41f70440fd3b 100644 --- a/drivers/media/video/saa7185.c +++ b/drivers/media/video/saa7185.c @@ -403,7 +403,7 @@ saa7185_detect_client (struct i2c_adapter *adapter, return 0; client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) + if (!client) return -ENOMEM; client->addr = address; client->adapter = adapter; diff --git a/drivers/media/video/tda9840.c b/drivers/media/video/tda9840.c index ef494febb5e4..bdca5d278978 100644 --- a/drivers/media/video/tda9840.c +++ b/drivers/media/video/tda9840.c @@ -172,7 +172,7 @@ static int detect(struct i2c_adapter *adapter, int address, int kind) /* allocate memory for client structure */ client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (0 == client) { + if (!client) { printk("not enough kernel memory\n"); return -ENOMEM; } diff --git a/drivers/media/video/tea6415c.c b/drivers/media/video/tea6415c.c index 523df0b8cc63..df2fad9f391e 100644 --- a/drivers/media/video/tea6415c.c +++ b/drivers/media/video/tea6415c.c @@ -64,7 +64,7 @@ static int detect(struct i2c_adapter *adapter, int address, int kind) /* allocate memory for client structure */ client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (0 == client) { + if (!client) { return -ENOMEM; } diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c index ca05cd655087..4ff6c63f7237 100644 --- a/drivers/media/video/tea6420.c +++ b/drivers/media/video/tea6420.c @@ -101,7 +101,7 @@ static int tea6420_detect(struct i2c_adapter *adapter, int address, int kind) /* allocate memory for client structure */ client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (0 == client) { + if (!client) { return -ENOMEM; } diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c index 445eba4174d7..b6e24e714a23 100644 --- a/drivers/media/video/tvp5150.c +++ b/drivers/media/video/tvp5150.c @@ -672,7 +672,7 @@ static int tvp5150_set_vbi(struct i2c_client *c, if (std == V4L2_STD_ALL) { tvp5150_err("VBI can't be configured without knowing number of lines\n"); return 0; - } else if (std && V4L2_STD_625_50) { + } else if (std & V4L2_STD_625_50) { /* Don't follow NTSC Line number convension */ line += 3; } @@ -719,7 +719,7 @@ static int tvp5150_get_vbi(struct i2c_client *c, if (std == V4L2_STD_ALL) { tvp5150_err("VBI can't be configured without knowing number of lines\n"); return 0; - } else if (std && V4L2_STD_625_50) { + } else if (std & V4L2_STD_625_50) { /* Don't follow NTSC Line number convension */ line += 3; } @@ -1072,12 +1072,12 @@ static int tvp5150_detect_client(struct i2c_adapter *adapter, return 0; c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (c == 0) + if (!c) return -ENOMEM; memcpy(c, &client_template, sizeof(struct i2c_client)); core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL); - if (core == 0) { + if (!core) { kfree(c); return -ENOMEM; } diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c index fb434b5602a3..5d363be7bc73 100644 --- a/drivers/media/video/usbvideo/usbvideo.c +++ b/drivers/media/video/usbvideo/usbvideo.c @@ -1034,6 +1034,11 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd) info("%s: iface=%d. endpoint=$%02x paletteBits=$%08lx", __FUNCTION__, uvd->iface, uvd->video_endp, uvd->paletteBits); } + if (uvd->dev == NULL) { + err("%s: uvd->dev == NULL", __FUNCTION__); + return -EINVAL; + } + uvd->vdev.dev=&(uvd->dev->dev); if (video_register_device(&uvd->vdev, VFL_TYPE_GRABBER, video_nr) == -1) { err("%s: video_register_device failed", __FUNCTION__); return -EPIPE; @@ -1041,10 +1046,6 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd) if (uvd->debug > 1) { info("%s: video_register_device() successful", __FUNCTION__); } - if (uvd->dev == NULL) { - err("%s: uvd->dev == NULL", __FUNCTION__); - return -EINVAL; - } info("%s on /dev/video%d: canvas=%s videosize=%s", (uvd->handle != NULL) ? uvd->handle->drvName : "???", diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c index dcf22a3b672a..50e1ff9f2be5 100644 --- a/drivers/media/video/v4l1-compat.c +++ b/drivers/media/video/v4l1-compat.c @@ -303,7 +303,11 @@ v4l_compat_translate_ioctl(struct inode *inode, { struct video_capability *cap = arg; - cap2 = kzalloc(sizeof(*cap2),GFP_KERNEL); + cap2 = kzalloc(sizeof(*cap2), GFP_KERNEL); + if (!cap2) { + err = -ENOMEM; + break; + } memset(cap, 0, sizeof(*cap)); memset(&fbuf2, 0, sizeof(fbuf2)); @@ -426,7 +430,11 @@ v4l_compat_translate_ioctl(struct inode *inode, { struct video_window *win = arg; - fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); + fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); + if (!fmt2) { + err = -ENOMEM; + break; + } memset(win,0,sizeof(*win)); fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY; @@ -464,7 +472,11 @@ v4l_compat_translate_ioctl(struct inode *inode, struct video_window *win = arg; int err1,err2; - fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); + fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); + if (!fmt2) { + err = -ENOMEM; + break; + } fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; drv(inode, file, VIDIOC_STREAMOFF, &fmt2->type); err1 = drv(inode, file, VIDIOC_G_FMT, fmt2); @@ -586,6 +598,12 @@ v4l_compat_translate_ioctl(struct inode *inode, { struct video_picture *pict = arg; + fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); + if (!fmt2) { + err = -ENOMEM; + break; + } + pict->brightness = get_v4l_control(inode, file, V4L2_CID_BRIGHTNESS,drv); pict->hue = get_v4l_control(inode, file, @@ -597,7 +615,6 @@ v4l_compat_translate_ioctl(struct inode *inode, pict->whiteness = get_v4l_control(inode, file, V4L2_CID_WHITENESS, drv); - fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; err = drv(inode, file, VIDIOC_G_FMT, fmt2); if (err < 0) { @@ -617,6 +634,11 @@ v4l_compat_translate_ioctl(struct inode *inode, struct video_picture *pict = arg; int mem_err = 0, ovl_err = 0; + fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); + if (!fmt2) { + err = -ENOMEM; + break; + } memset(&fbuf2, 0, sizeof(fbuf2)); set_v4l_control(inode, file, @@ -636,7 +658,6 @@ v4l_compat_translate_ioctl(struct inode *inode, * different pixel formats for memory vs overlay. */ - fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; err = drv(inode, file, VIDIOC_G_FMT, fmt2); /* If VIDIOC_G_FMT failed, then the driver likely doesn't @@ -890,7 +911,11 @@ v4l_compat_translate_ioctl(struct inode *inode, { struct video_mmap *mm = arg; - fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); + fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); + if (!fmt2) { + err = -ENOMEM; + break; + } memset(&buf2,0,sizeof(buf2)); fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; @@ -986,7 +1011,11 @@ v4l_compat_translate_ioctl(struct inode *inode, { struct vbi_format *fmt = arg; - fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); + fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); + if (!fmt2) { + err = -ENOMEM; + break; + } fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE; err = drv(inode, file, VIDIOC_G_FMT, fmt2); @@ -1018,8 +1047,11 @@ v4l_compat_translate_ioctl(struct inode *inode, break; } - fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); - + fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); + if (!fmt2) { + err = -ENOMEM; + break; + } fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE; fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line; fmt2->fmt.vbi.sampling_rate = fmt->sampling_rate; diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c index dd3d7d2c8b0e..fea4946ee713 100644 --- a/drivers/media/video/zoran_driver.c +++ b/drivers/media/video/zoran_driver.c @@ -339,7 +339,7 @@ v4l_fbuffer_alloc (struct file *file) /* Use kmalloc */ mem = kmalloc(fh->v4l_buffers.buffer_size, GFP_KERNEL); - if (mem == 0) { + if (!mem) { dprintk(1, KERN_ERR "%s: v4l_fbuffer_alloc() - kmalloc for V4L buf %d failed\n", diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c index 1b44784d0efb..04949c823654 100644 --- a/drivers/media/video/zr364xx.c +++ b/drivers/media/video/zr364xx.c @@ -390,7 +390,7 @@ static int read_frame(struct zr364xx_camera *cam, int framenum) } -static ssize_t zr364xx_read(struct file *file, char *buf, size_t cnt, +static ssize_t zr364xx_read(struct file *file, char __user *buf, size_t cnt, loff_t * ppos) { unsigned long count = cnt; diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c index de80dba12f9b..946e3d3506ac 100644 --- a/drivers/memstick/core/memstick.c +++ b/drivers/memstick/core/memstick.c @@ -276,8 +276,6 @@ void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc, mrq->need_card_int = 1; else mrq->need_card_int = 0; - - mrq->get_int_reg = 0; } EXPORT_SYMBOL(memstick_init_req_sg); @@ -311,8 +309,6 @@ void memstick_init_req(struct memstick_request *mrq, unsigned char tpc, mrq->need_card_int = 1; else mrq->need_card_int = 0; - - mrq->get_int_reg = 0; } EXPORT_SYMBOL(memstick_init_req); @@ -342,6 +338,7 @@ static int h_memstick_read_dev_id(struct memstick_dev *card, card->id.class = id_reg.class; } complete(&card->mrq_complete); + dev_dbg(&card->dev, "if_mode = %02x\n", id_reg.if_mode); return -EAGAIN; } } @@ -422,7 +419,6 @@ static void memstick_power_on(struct memstick_host *host) { host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON); host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_SERIAL); - msleep(1); } static void memstick_check(struct work_struct *work) @@ -579,7 +575,8 @@ EXPORT_SYMBOL(memstick_suspend_host); void memstick_resume_host(struct memstick_host *host) { mutex_lock(&host->lock); - host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON); + if (host->card) + memstick_power_on(host); mutex_unlock(&host->lock); memstick_detect_change(host); } diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c index 1d637e4561d3..557dbbba5cb2 100644 --- a/drivers/memstick/core/mspro_block.c +++ b/drivers/memstick/core/mspro_block.c @@ -133,6 +133,7 @@ struct mspro_devinfo { struct mspro_block_data { struct memstick_dev *card; unsigned int usage_count; + unsigned int caps; struct gendisk *disk; struct request_queue *queue; spinlock_t q_lock; @@ -577,7 +578,6 @@ static int h_mspro_block_wait_for_ced(struct memstick_dev *card, static int h_mspro_block_transfer_data(struct memstick_dev *card, struct memstick_request **mrq) { - struct memstick_host *host = card->host; struct mspro_block_data *msb = memstick_get_drvdata(card); unsigned char t_val = 0; struct scatterlist t_sg = { 0 }; @@ -591,12 +591,12 @@ static int h_mspro_block_transfer_data(struct memstick_dev *card, switch ((*mrq)->tpc) { case MS_TPC_WRITE_REG: memstick_init_req(*mrq, MS_TPC_SET_CMD, &msb->transfer_cmd, 1); - (*mrq)->get_int_reg = 1; + (*mrq)->need_card_int = 1; return 0; case MS_TPC_SET_CMD: t_val = (*mrq)->int_reg; memstick_init_req(*mrq, MS_TPC_GET_INT, NULL, 1); - if (host->caps & MEMSTICK_CAP_AUTO_GET_INT) + if (msb->caps & MEMSTICK_CAP_AUTO_GET_INT) goto has_int_reg; return 0; case MS_TPC_GET_INT: @@ -646,12 +646,12 @@ has_int_reg: ? MS_TPC_READ_LONG_DATA : MS_TPC_WRITE_LONG_DATA, &t_sg); - (*mrq)->get_int_reg = 1; + (*mrq)->need_card_int = 1; return 0; case MS_TPC_READ_LONG_DATA: case MS_TPC_WRITE_LONG_DATA: msb->current_page++; - if (host->caps & MEMSTICK_CAP_AUTO_GET_INT) { + if (msb->caps & MEMSTICK_CAP_AUTO_GET_INT) { t_val = (*mrq)->int_reg; goto has_int_reg; } else { @@ -816,12 +816,13 @@ static int mspro_block_wait_for_ced(struct memstick_dev *card) return card->current_mrq.error; } -static int mspro_block_switch_to_parallel(struct memstick_dev *card) +static int mspro_block_set_interface(struct memstick_dev *card, + unsigned char sys_reg) { struct memstick_host *host = card->host; struct mspro_block_data *msb = memstick_get_drvdata(card); struct mspro_param_register param = { - .system = MEMSTICK_SYS_PAR4, + .system = sys_reg, .data_count = 0, .data_address = 0, .tpc_param = 0 @@ -833,41 +834,70 @@ static int mspro_block_switch_to_parallel(struct memstick_dev *card) sizeof(param)); memstick_new_req(host); wait_for_completion(&card->mrq_complete); - if (card->current_mrq.error) - return card->current_mrq.error; + return card->current_mrq.error; +} + +static int mspro_block_switch_interface(struct memstick_dev *card) +{ + struct memstick_host *host = card->host; + struct mspro_block_data *msb = memstick_get_drvdata(card); + int rc = 0; + + if (msb->caps & MEMSTICK_CAP_PAR4) + rc = mspro_block_set_interface(card, MEMSTICK_SYS_PAR4); + else + return 0; + + if (rc) { + printk(KERN_WARNING + "%s: could not switch to 4-bit mode, error %d\n", + card->dev.bus_id, rc); + return 0; + } msb->system = MEMSTICK_SYS_PAR4; host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_PAR4); + printk(KERN_INFO "%s: switching to 4-bit parallel mode\n", + card->dev.bus_id); + + if (msb->caps & MEMSTICK_CAP_PAR8) { + rc = mspro_block_set_interface(card, MEMSTICK_SYS_PAR8); + + if (!rc) { + msb->system = MEMSTICK_SYS_PAR8; + host->set_param(host, MEMSTICK_INTERFACE, + MEMSTICK_PAR8); + printk(KERN_INFO + "%s: switching to 8-bit parallel mode\n", + card->dev.bus_id); + } else + printk(KERN_WARNING + "%s: could not switch to 8-bit mode, error %d\n", + card->dev.bus_id, rc); + } card->next_request = h_mspro_block_req_init; msb->mrq_handler = h_mspro_block_default; memstick_init_req(&card->current_mrq, MS_TPC_GET_INT, NULL, 1); memstick_new_req(card->host); wait_for_completion(&card->mrq_complete); + rc = card->current_mrq.error; - if (card->current_mrq.error) { + if (rc) { + printk(KERN_WARNING + "%s: interface error, trying to fall back to serial\n", + card->dev.bus_id); msb->system = MEMSTICK_SYS_SERIAL; host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_OFF); - msleep(1000); + msleep(10); host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON); host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_SERIAL); - if (memstick_set_rw_addr(card)) - return card->current_mrq.error; - - param.system = msb->system; - - card->next_request = h_mspro_block_req_init; - msb->mrq_handler = h_mspro_block_default; - memstick_init_req(&card->current_mrq, MS_TPC_WRITE_REG, ¶m, - sizeof(param)); - memstick_new_req(host); - wait_for_completion(&card->mrq_complete); - - return -EFAULT; + rc = memstick_set_rw_addr(card); + if (!rc) + rc = mspro_block_set_interface(card, msb->system); } - - return 0; + return rc; } /* Memory allocated for attributes by this function should be freed by @@ -1052,16 +1082,18 @@ static int mspro_block_init_card(struct memstick_dev *card) if (memstick_set_rw_addr(card)) return -EIO; - if (host->caps & MEMSTICK_CAP_PAR4) { - if (mspro_block_switch_to_parallel(card)) - printk(KERN_WARNING "%s: could not switch to " - "parallel interface\n", card->dev.bus_id); - } + msb->caps = host->caps; + rc = mspro_block_switch_interface(card); + if (rc) + return rc; + msleep(200); rc = mspro_block_wait_for_ced(card); if (rc) return rc; dev_dbg(&card->dev, "card activated\n"); + if (msb->system != MEMSTICK_SYS_SERIAL) + msb->caps |= MEMSTICK_CAP_AUTO_GET_INT; card->next_request = h_mspro_block_req_init; msb->mrq_handler = h_mspro_block_get_ro; diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c index 03fe8783b1ee..8770a5fac3b6 100644 --- a/drivers/memstick/host/jmb38x_ms.c +++ b/drivers/memstick/host/jmb38x_ms.c @@ -12,6 +12,7 @@ #include <linux/spinlock.h> #include <linux/interrupt.h> #include <linux/pci.h> +#include <linux/dma-mapping.h> #include <linux/delay.h> #include <linux/highmem.h> #include <linux/memstick.h> @@ -56,8 +57,6 @@ struct jmb38x_ms_host { unsigned long timeout_jiffies; struct timer_list timer; struct memstick_request *req; - unsigned char eject:1, - use_dma:1; unsigned char cmd_flags; unsigned char io_pos; unsigned int io_word[2]; @@ -94,9 +93,22 @@ struct jmb38x_ms { #define HOST_CONTROL_IF_PAR4 0x1 #define HOST_CONTROL_IF_PAR8 0x3 +#define STATUS_BUSY 0x00080000 +#define STATUS_MS_DAT7 0x00040000 +#define STATUS_MS_DAT6 0x00020000 +#define STATUS_MS_DAT5 0x00010000 +#define STATUS_MS_DAT4 0x00008000 +#define STATUS_MS_DAT3 0x00004000 +#define STATUS_MS_DAT2 0x00002000 +#define STATUS_MS_DAT1 0x00001000 +#define STATUS_MS_DAT0 0x00000800 #define STATUS_HAS_MEDIA 0x00000400 #define STATUS_FIFO_EMPTY 0x00000200 #define STATUS_FIFO_FULL 0x00000100 +#define STATUS_MS_CED 0x00000080 +#define STATUS_MS_ERR 0x00000040 +#define STATUS_MS_BRQ 0x00000020 +#define STATUS_MS_CNK 0x00000001 #define INT_STATUS_TPC_ERR 0x00080000 #define INT_STATUS_CRC_ERR 0x00040000 @@ -119,11 +131,17 @@ struct jmb38x_ms { #define PAD_PU_PD_ON_MS_SOCK0 0x5f8f0000 #define PAD_PU_PD_ON_MS_SOCK1 0x0f0f0000 +#define CLOCK_CONTROL_40MHZ 0x00000001 +#define CLOCK_CONTROL_50MHZ 0x00000002 +#define CLOCK_CONTROL_60MHZ 0x00000008 +#define CLOCK_CONTROL_62_5MHZ 0x0000000c +#define CLOCK_CONTROL_OFF 0x00000000 + enum { CMD_READY = 0x01, FIFO_READY = 0x02, REG_DATA = 0x04, - AUTO_GET_INT = 0x08 + DMA_DATA = 0x08 }; static unsigned int jmb38x_ms_read_data(struct jmb38x_ms_host *host, @@ -273,7 +291,7 @@ static int jmb38x_ms_transfer_data(struct jmb38x_ms_host *host) { unsigned int length; unsigned int off; - unsigned int t_size, p_off, p_cnt; + unsigned int t_size, p_cnt; unsigned char *buf; struct page *pg; unsigned long flags = 0; @@ -287,6 +305,8 @@ static int jmb38x_ms_transfer_data(struct jmb38x_ms_host *host) } while (length) { + unsigned int uninitialized_var(p_off); + if (host->req->long_data) { pg = nth_page(sg_page(&host->req->sg), off >> PAGE_SHIFT); @@ -364,28 +384,27 @@ static int jmb38x_ms_issue_cmd(struct memstick_host *msh) cmd |= TPC_DIR; if (host->req->need_card_int) cmd |= TPC_WAIT_INT; - if (host->req->get_int_reg) - cmd |= TPC_GET_INT; data = host->req->data; - host->use_dma = !no_dma; + if (!no_dma) + host->cmd_flags |= DMA_DATA; if (host->req->long_data) { data_len = host->req->sg.length; } else { data_len = host->req->data_len; - host->use_dma = 0; + host->cmd_flags &= ~DMA_DATA; } if (data_len <= 8) { cmd &= ~(TPC_DATA_SEL | 0xf); host->cmd_flags |= REG_DATA; cmd |= data_len & 0xf; - host->use_dma = 0; + host->cmd_flags &= ~DMA_DATA; } - if (host->use_dma) { + if (host->cmd_flags & DMA_DATA) { if (1 != pci_map_sg(host->chip->pdev, &host->req->sg, 1, host->req->data_dir == READ ? PCI_DMA_FROMDEVICE @@ -448,13 +467,12 @@ static void jmb38x_ms_complete_cmd(struct memstick_host *msh, int last) readl(host->addr + INT_STATUS)); dev_dbg(msh->cdev.dev, "c hstatus %08x\n", readl(host->addr + STATUS)); - if (host->req->get_int_reg) { - t_val = readl(host->addr + TPC_P0); - host->req->int_reg = (t_val & 0xff); - } + host->req->int_reg = readl(host->addr + STATUS) & 0xff; + + writel(0, host->addr + BLOCK); + writel(0, host->addr + DMA_CONTROL); - if (host->use_dma) { - writel(0, host->addr + DMA_CONTROL); + if (host->cmd_flags & DMA_DATA) { pci_unmap_sg(host->chip->pdev, &host->req->sg, 1, host->req->data_dir == READ ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE); @@ -506,7 +524,7 @@ static irqreturn_t jmb38x_ms_isr(int irq, void *dev_id) else host->req->error = -ETIME; } else { - if (host->use_dma) { + if (host->cmd_flags & DMA_DATA) { if (irq_status & INT_STATUS_EOTRAN) host->cmd_flags |= FIFO_READY; } else { @@ -595,19 +613,18 @@ static void jmb38x_ms_reset(struct jmb38x_ms_host *host) { unsigned int host_ctl = readl(host->addr + HOST_CONTROL); - writel(host_ctl | HOST_CONTROL_RESET_REQ | HOST_CONTROL_RESET, - host->addr + HOST_CONTROL); + writel(HOST_CONTROL_RESET_REQ, host->addr + HOST_CONTROL); while (HOST_CONTROL_RESET_REQ & (host_ctl = readl(host->addr + HOST_CONTROL))) { - ndelay(100); - dev_dbg(&host->chip->pdev->dev, "reset\n"); + ndelay(20); + dev_dbg(&host->chip->pdev->dev, "reset %08x\n", host_ctl); } - writel(INT_STATUS_ALL, host->addr + INT_STATUS_ENABLE); + writel(HOST_CONTROL_RESET, host->addr + HOST_CONTROL); + mmiowb(); writel(INT_STATUS_ALL, host->addr + INT_SIGNAL_ENABLE); - - dev_dbg(&host->chip->pdev->dev, "reset\n"); + writel(INT_STATUS_ALL, host->addr + INT_STATUS_ENABLE); } static void jmb38x_ms_set_param(struct memstick_host *msh, @@ -615,10 +632,8 @@ static void jmb38x_ms_set_param(struct memstick_host *msh, int value) { struct jmb38x_ms_host *host = memstick_priv(msh); - unsigned int host_ctl; - unsigned long flags; - - spin_lock_irqsave(&host->lock, flags); + unsigned int host_ctl = readl(host->addr + HOST_CONTROL); + unsigned int clock_ctl = CLOCK_CONTROL_40MHZ, clock_delay = 0; switch (param) { case MEMSTICK_POWER: @@ -626,60 +641,57 @@ static void jmb38x_ms_set_param(struct memstick_host *msh, jmb38x_ms_reset(host); writel(host->id ? PAD_PU_PD_ON_MS_SOCK1 - : PAD_PU_PD_ON_MS_SOCK0, + : PAD_PU_PD_ON_MS_SOCK0, host->addr + PAD_PU_PD); writel(PAD_OUTPUT_ENABLE_MS, host->addr + PAD_OUTPUT_ENABLE); - host_ctl = readl(host->addr + HOST_CONTROL); - host_ctl |= 7; - writel(host_ctl | (HOST_CONTROL_POWER_EN - | HOST_CONTROL_CLOCK_EN), - host->addr + HOST_CONTROL); + host_ctl = 7; + host_ctl |= HOST_CONTROL_POWER_EN + | HOST_CONTROL_CLOCK_EN; + writel(host_ctl, host->addr + HOST_CONTROL); dev_dbg(&host->chip->pdev->dev, "power on\n"); } else if (value == MEMSTICK_POWER_OFF) { - writel(readl(host->addr + HOST_CONTROL) - & ~(HOST_CONTROL_POWER_EN - | HOST_CONTROL_CLOCK_EN), - host->addr + HOST_CONTROL); + host_ctl &= ~(HOST_CONTROL_POWER_EN + | HOST_CONTROL_CLOCK_EN); + writel(host_ctl, host->addr + HOST_CONTROL); writel(0, host->addr + PAD_OUTPUT_ENABLE); writel(PAD_PU_PD_OFF, host->addr + PAD_PU_PD); dev_dbg(&host->chip->pdev->dev, "power off\n"); } break; case MEMSTICK_INTERFACE: - /* jmb38x_ms_reset(host); */ - - host_ctl = readl(host->addr + HOST_CONTROL); host_ctl &= ~(3 << HOST_CONTROL_IF_SHIFT); - /* host_ctl |= 7; */ if (value == MEMSTICK_SERIAL) { host_ctl &= ~HOST_CONTROL_FAST_CLK; host_ctl |= HOST_CONTROL_IF_SERIAL << HOST_CONTROL_IF_SHIFT; host_ctl |= HOST_CONTROL_REI; - writel(0, host->addr + CLOCK_DELAY); + clock_ctl = CLOCK_CONTROL_40MHZ; + clock_delay = 0; } else if (value == MEMSTICK_PAR4) { host_ctl |= HOST_CONTROL_FAST_CLK; host_ctl |= HOST_CONTROL_IF_PAR4 << HOST_CONTROL_IF_SHIFT; host_ctl &= ~HOST_CONTROL_REI; - writel(4, host->addr + CLOCK_DELAY); + clock_ctl = CLOCK_CONTROL_40MHZ; + clock_delay = 4; } else if (value == MEMSTICK_PAR8) { host_ctl |= HOST_CONTROL_FAST_CLK; host_ctl |= HOST_CONTROL_IF_PAR8 << HOST_CONTROL_IF_SHIFT; host_ctl &= ~HOST_CONTROL_REI; - writel(4, host->addr + CLOCK_DELAY); + clock_ctl = CLOCK_CONTROL_60MHZ; + clock_delay = 0; } writel(host_ctl, host->addr + HOST_CONTROL); + writel(clock_ctl, host->addr + CLOCK_CONTROL); + writel(clock_delay, host->addr + CLOCK_DELAY); break; }; - - spin_unlock_irqrestore(&host->lock, flags); } #ifdef CONFIG_PM @@ -772,13 +784,10 @@ static struct memstick_host *jmb38x_ms_alloc_host(struct jmb38x_ms *jm, int cnt) snprintf(host->host_id, DEVICE_ID_SIZE, DRIVER_NAME ":slot%d", host->id); host->irq = jm->pdev->irq; - host->timeout_jiffies = msecs_to_jiffies(4000); + host->timeout_jiffies = msecs_to_jiffies(1000); msh->request = jmb38x_ms_request; msh->set_param = jmb38x_ms_set_param; - /* - msh->caps = MEMSTICK_CAP_AUTO_GET_INT | MEMSTICK_CAP_PAR4 - | MEMSTICK_CAP_PAR8; - */ + msh->caps = MEMSTICK_CAP_PAR4 | MEMSTICK_CAP_PAR8; setup_timer(&host->timer, jmb38x_ms_abort, (unsigned long)msh); diff --git a/drivers/memstick/host/tifm_ms.c b/drivers/memstick/host/tifm_ms.c index 2b5bf52a8302..8577de4ebb0e 100644 --- a/drivers/memstick/host/tifm_ms.c +++ b/drivers/memstick/host/tifm_ms.c @@ -182,7 +182,7 @@ static unsigned int tifm_ms_transfer_data(struct tifm_ms *host) struct tifm_dev *sock = host->dev; unsigned int length; unsigned int off; - unsigned int t_size, p_off, p_cnt; + unsigned int t_size, p_cnt; unsigned char *buf; struct page *pg; unsigned long flags = 0; @@ -198,6 +198,8 @@ static unsigned int tifm_ms_transfer_data(struct tifm_ms *host) host->block_pos); while (length) { + unsigned int uninitialized_var(p_off); + if (host->req->long_data) { pg = nth_page(sg_page(&host->req->sg), off >> PAGE_SHIFT); @@ -340,11 +342,20 @@ static void tifm_ms_complete_cmd(struct tifm_ms *host) del_timer(&host->timer); - if (host->use_dma) + host->req->int_reg = readl(sock->addr + SOCK_MS_STATUS) & 0xff; + host->req->int_reg = (host->req->int_reg & 1) + | ((host->req->int_reg << 4) & 0xe0); + + writel(TIFM_FIFO_INT_SETALL, + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); + writel(TIFM_DMA_RESET, sock->addr + SOCK_DMA_CONTROL); + + if (host->use_dma) { tifm_unmap_sg(sock, &host->req->sg, 1, host->req->data_dir == READ ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE); + } writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL), sock->addr + SOCK_CONTROL); @@ -424,12 +435,6 @@ static void tifm_ms_card_event(struct tifm_dev *sock) else if (host_status & TIFM_MS_STAT_CRC) host->req->error = -EILSEQ; - if (host->req->error) { - writel(TIFM_FIFO_INT_SETALL, - sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); - writel(TIFM_DMA_RESET, sock->addr + SOCK_DMA_CONTROL); - } - if (host_status & TIFM_MS_STAT_RDY) host->cmd_flags |= CMD_READY; diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 6b6df8679585..c6be6eba7dc3 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -1430,6 +1430,98 @@ mpt_get_product_name(u16 vendor, u16 device, u8 revision, char *prod_name) sprintf(prod_name, "%s", product_str); } +/** + * mpt_mapresources - map in memory mapped io + * @ioc: Pointer to pointer to IOC adapter + * + **/ +static int +mpt_mapresources(MPT_ADAPTER *ioc) +{ + u8 __iomem *mem; + int ii; + unsigned long mem_phys; + unsigned long port; + u32 msize; + u32 psize; + u8 revision; + int r = -ENODEV; + struct pci_dev *pdev; + + pdev = ioc->pcidev; + ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); + if (pci_enable_device_mem(pdev)) { + printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() " + "failed\n", ioc->name); + return r; + } + if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) { + printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with " + "MEM failed\n", ioc->name); + return r; + } + + pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision); + + if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) + && !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) { + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT + ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", + ioc->name)); + } else if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK) + && !pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) { + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT + ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", + ioc->name)); + } else { + printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n", + ioc->name, pci_name(pdev)); + pci_release_selected_regions(pdev, ioc->bars); + return r; + } + + mem_phys = msize = 0; + port = psize = 0; + for (ii = 0; ii < DEVICE_COUNT_RESOURCE; ii++) { + if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) { + if (psize) + continue; + /* Get I/O space! */ + port = pci_resource_start(pdev, ii); + psize = pci_resource_len(pdev, ii); + } else { + if (msize) + continue; + /* Get memmap */ + mem_phys = pci_resource_start(pdev, ii); + msize = pci_resource_len(pdev, ii); + } + } + ioc->mem_size = msize; + + mem = NULL; + /* Get logical ptr for PciMem0 space */ + /*mem = ioremap(mem_phys, msize);*/ + mem = ioremap(mem_phys, msize); + if (mem == NULL) { + printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter" + " memory!\n", ioc->name); + return -EINVAL; + } + ioc->memmap = mem; + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %lx\n", + ioc->name, mem, mem_phys)); + + ioc->mem_phys = mem_phys; + ioc->chip = (SYSIF_REGS __iomem *)mem; + + /* Save Port IO values in case we need to do downloadboot */ + ioc->pio_mem_phys = port; + ioc->pio_chip = (SYSIF_REGS __iomem *)port; + + return 0; +} + /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** * mpt_attach - Install a PCI intelligent MPT adapter. @@ -1452,13 +1544,6 @@ int mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) { MPT_ADAPTER *ioc; - u8 __iomem *mem; - u8 __iomem *pmem; - unsigned long mem_phys; - unsigned long port; - u32 msize; - u32 psize; - int ii; u8 cb_idx; int r = -ENODEV; u8 revision; @@ -1468,52 +1553,32 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) struct proc_dir_entry *dent, *ent; #endif - if (mpt_debug_level) - printk(KERN_INFO MYNAM ": mpt_debug_level=%xh\n", mpt_debug_level); - ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC); if (ioc == NULL) { printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n"); return -ENOMEM; } - ioc->debug_level = mpt_debug_level; + ioc->id = mpt_ids++; sprintf(ioc->name, "ioc%d", ioc->id); - ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); - if (pci_enable_device_mem(pdev)) { - printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() " - "failed\n", ioc->name); - kfree(ioc); - return r; - } - if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) { - printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with " - "MEM failed\n", ioc->name); - kfree(ioc); - return r; - } + /* + * set initial debug level + * (refer to mptdebug.h) + * + */ + ioc->debug_level = mpt_debug_level; + if (mpt_debug_level) + printk(KERN_INFO "mpt_debug_level=%xh\n", mpt_debug_level); dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name)); - if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { - dprintk(ioc, printk(MYIOC_s_INFO_FMT - ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", ioc->name)); - } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { - printk(MYIOC_s_WARN_FMT ": 32 BIT PCI BUS DMA ADDRESSING NOT SUPPORTED\n", - ioc->name); + ioc->pcidev = pdev; + if (mpt_mapresources(ioc)) { kfree(ioc); return r; } - if (!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) { - dprintk(ioc, printk(MYIOC_s_INFO_FMT - ": Using 64 bit consistent mask\n", ioc->name)); - } else { - dprintk(ioc, printk(MYIOC_s_INFO_FMT - ": Not using 64 bit consistent mask\n", ioc->name)); - } - ioc->alloc_total = sizeof(MPT_ADAPTER); ioc->req_sz = MPT_DEFAULT_FRAME_SIZE; /* avoid div by zero! */ ioc->reply_sz = MPT_REPLY_FRAME_SIZE; @@ -1551,48 +1616,9 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) /* Find lookup slot. */ INIT_LIST_HEAD(&ioc->list); - mem_phys = msize = 0; - port = psize = 0; - for (ii=0; ii < DEVICE_COUNT_RESOURCE; ii++) { - if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) { - if (psize) - continue; - /* Get I/O space! */ - port = pci_resource_start(pdev, ii); - psize = pci_resource_len(pdev,ii); - } else { - if (msize) - continue; - /* Get memmap */ - mem_phys = pci_resource_start(pdev, ii); - msize = pci_resource_len(pdev,ii); - } - } - ioc->mem_size = msize; - - mem = NULL; - /* Get logical ptr for PciMem0 space */ - /*mem = ioremap(mem_phys, msize);*/ - mem = ioremap(mem_phys, msize); - if (mem == NULL) { - printk(MYIOC_s_ERR_FMT "Unable to map adapter memory!\n", ioc->name); - kfree(ioc); - return -EINVAL; - } - ioc->memmap = mem; - dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %lx\n", ioc->name, mem, mem_phys)); - dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n", ioc->name, &ioc->facts, &ioc->pfacts[0])); - ioc->mem_phys = mem_phys; - ioc->chip = (SYSIF_REGS __iomem *)mem; - - /* Save Port IO values in case we need to do downloadboot */ - ioc->pio_mem_phys = port; - pmem = (u8 __iomem *)port; - ioc->pio_chip = (SYSIF_REGS __iomem *)pmem; - pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision); mpt_get_product_name(pdev->vendor, pdev->device, revision, ioc->prod_name); @@ -1688,7 +1714,9 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) list_del(&ioc->list); if (ioc->alt_ioc) ioc->alt_ioc->alt_ioc = NULL; - iounmap(mem); + iounmap(ioc->memmap); + if (r != -5) + pci_release_selected_regions(pdev, ioc->bars); kfree(ioc); pci_set_drvdata(pdev, NULL); return r; @@ -1784,13 +1812,10 @@ mpt_suspend(struct pci_dev *pdev, pm_message_t state) u32 device_state; MPT_ADAPTER *ioc = pci_get_drvdata(pdev); - device_state=pci_choose_state(pdev, state); - - printk(MYIOC_s_INFO_FMT - "pci-suspend: pdev=0x%p, slot=%s, Entering operating state [D%d]\n", - ioc->name, pdev, pci_name(pdev), device_state); - - pci_save_state(pdev); + device_state = pci_choose_state(pdev, state); + printk(MYIOC_s_INFO_FMT "pci-suspend: pdev=0x%p, slot=%s, Entering " + "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev), + device_state); /* put ioc into READY_STATE */ if(SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) { @@ -1805,10 +1830,14 @@ mpt_suspend(struct pci_dev *pdev, pm_message_t state) /* Clear any lingering interrupt */ CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + free_irq(ioc->pci_irq, ioc); + if (mpt_msi_enable) + pci_disable_msi(ioc->pcidev); + ioc->pci_irq = -1; + pci_save_state(pdev); pci_disable_device(pdev); pci_release_selected_regions(pdev, ioc->bars); pci_set_power_state(pdev, device_state); - return 0; } @@ -1823,48 +1852,54 @@ mpt_resume(struct pci_dev *pdev) MPT_ADAPTER *ioc = pci_get_drvdata(pdev); u32 device_state = pdev->current_state; int recovery_state; + int err; - printk(MYIOC_s_INFO_FMT - "pci-resume: pdev=0x%p, slot=%s, Previous operating state [D%d]\n", - ioc->name, pdev, pci_name(pdev), device_state); + printk(MYIOC_s_INFO_FMT "pci-resume: pdev=0x%p, slot=%s, Previous " + "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev), + device_state); - pci_set_power_state(pdev, 0); + pci_set_power_state(pdev, PCI_D0); + pci_enable_wake(pdev, PCI_D0, 0); pci_restore_state(pdev); - if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) { - ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM | - IORESOURCE_IO); - if (pci_enable_device(pdev)) - return 0; - } else { - ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); - if (pci_enable_device_mem(pdev)) - return 0; - } - if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) - return 0; + ioc->pcidev = pdev; + err = mpt_mapresources(ioc); + if (err) + return err; - /* enable interrupts */ - CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM); - ioc->active = 1; + printk(MYIOC_s_INFO_FMT "pci-resume: ioc-state=0x%x,doorbell=0x%x\n", + ioc->name, (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT), + CHIPREG_READ32(&ioc->chip->Doorbell)); - printk(MYIOC_s_INFO_FMT - "pci-resume: ioc-state=0x%x,doorbell=0x%x\n", - ioc->name, - (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT), - CHIPREG_READ32(&ioc->chip->Doorbell)); + /* + * Errata workaround for SAS pci express: + * Upon returning to the D0 state, the contents of the doorbell will be + * stale data, and this will incorrectly signal to the host driver that + * the firmware is ready to process mpt commands. The workaround is + * to issue a diagnostic reset. + */ + if (ioc->bus_type == SAS && (pdev->device == + MPI_MANUFACTPAGE_DEVID_SAS1068E || pdev->device == + MPI_MANUFACTPAGE_DEVID_SAS1064E)) { + if (KickStart(ioc, 1, CAN_SLEEP) < 0) { + printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover\n", + ioc->name); + goto out; + } + } /* bring ioc to operational state */ - if ((recovery_state = mpt_do_ioc_recovery(ioc, - MPT_HOSTEVENT_IOC_RECOVER, CAN_SLEEP)) != 0) { - printk(MYIOC_s_INFO_FMT - "pci-resume: Cannot recover, error:[%x]\n", - ioc->name, recovery_state); - } else { + printk(MYIOC_s_INFO_FMT "Sending mpt_do_ioc_recovery\n", ioc->name); + recovery_state = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP, + CAN_SLEEP); + if (recovery_state != 0) + printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover, " + "error:[%x]\n", ioc->name, recovery_state); + else printk(MYIOC_s_INFO_FMT - "pci-resume: success\n", ioc->name); - } - + "pci-resume: success\n", ioc->name); + out: return 0; + } #endif @@ -1903,6 +1938,7 @@ mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase) * -3 if READY but PrimeIOCFifos Failed * -4 if READY but IOCInit Failed * -5 if failed to enable_device and/or request_selected_regions + * -6 if failed to upload firmware */ static int mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) @@ -2097,7 +2133,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) } else { printk(MYIOC_s_WARN_FMT "firmware upload failure!\n", ioc->name); - ret = -5; + ret = -6; } } } diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 0c252f60c4c1..c207bda6723b 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1170,6 +1170,10 @@ mptscsih_shutdown(struct pci_dev *pdev) int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) { + MPT_ADAPTER *ioc = pci_get_drvdata(pdev); + + scsi_block_requests(ioc->sh); + flush_scheduled_work(); mptscsih_shutdown(pdev); return mpt_suspend(pdev,state); } @@ -1183,7 +1187,12 @@ mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) int mptscsih_resume(struct pci_dev *pdev) { - return mpt_resume(pdev); + MPT_ADAPTER *ioc = pci_get_drvdata(pdev); + int rc; + + rc = mpt_resume(pdev); + scsi_unblock_requests(ioc->sh); + return rc; } #endif diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index 63fb1ff3ad10..f6f2d960cadb 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -28,14 +28,14 @@ static inline void asic3_write_register(struct asic3 *asic, unsigned int reg, u32 value) { - iowrite16(value, (unsigned long)asic->mapping + + iowrite16(value, asic->mapping + (reg >> asic->bus_shift)); } static inline u32 asic3_read_register(struct asic3 *asic, unsigned int reg) { - return ioread16((unsigned long)asic->mapping + + return ioread16(asic->mapping + (reg >> asic->bus_shift)); } diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 982e27b86d10..962817e49fba 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -108,6 +108,7 @@ config ACER_WMI depends on ACPI depends on LEDS_CLASS depends on BACKLIGHT_CLASS_DEVICE + depends on SERIO_I8042 select ACPI_WMI ---help--- This is a driver for newer Acer (and Wistron) laptops. It adds diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c index 74d12b4a3abd..dd13a3749927 100644 --- a/drivers/misc/acer-wmi.c +++ b/drivers/misc/acer-wmi.c @@ -219,6 +219,15 @@ static struct dmi_system_id acer_quirks[] = { }, { .callback = dmi_matched, + .ident = "Acer Aspire 3610", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"), + }, + .driver_data = &quirk_acer_travelmate_2490, + }, + { + .callback = dmi_matched, .ident = "Acer Aspire 5100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), @@ -228,6 +237,15 @@ static struct dmi_system_id acer_quirks[] = { }, { .callback = dmi_matched, + .ident = "Acer Aspire 5610", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), + }, + .driver_data = &quirk_acer_travelmate_2490, + }, + { + .callback = dmi_matched, .ident = "Acer Aspire 5630", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), @@ -761,11 +779,11 @@ enum led_brightness value) } static struct led_classdev mail_led = { - .name = "acer-mail:green", + .name = "acer-wmi::mail", .brightness_set = mail_led_set, }; -static int __init acer_led_init(struct device *dev) +static int __devinit acer_led_init(struct device *dev) { return led_classdev_register(dev, &mail_led); } @@ -798,7 +816,7 @@ static struct backlight_ops acer_bl_ops = { .update_status = update_bl_status, }; -static int __init acer_backlight_init(struct device *dev) +static int __devinit acer_backlight_init(struct device *dev) { struct backlight_device *bd; @@ -817,7 +835,7 @@ static int __init acer_backlight_init(struct device *dev) return 0; } -static void __exit acer_backlight_exit(void) +static void acer_backlight_exit(void) { backlight_device_unregister(acer_backlight_device); } @@ -1052,11 +1070,12 @@ static int __init acer_wmi_init(void) if (wmi_has_guid(WMID_GUID2) && interface) { if (ACPI_FAILURE(WMID_set_capabilities())) { - printk(ACER_ERR "Unable to detect available devices\n"); + printk(ACER_ERR "Unable to detect available WMID " + "devices\n"); return -ENODEV; } } else if (!wmi_has_guid(WMID_GUID2) && interface) { - printk(ACER_ERR "Unable to detect available devices\n"); + printk(ACER_ERR "No WMID device detection method found\n"); return -ENODEV; } @@ -1064,21 +1083,20 @@ static int __init acer_wmi_init(void) interface = &AMW0_interface; if (ACPI_FAILURE(AMW0_set_capabilities())) { - printk(ACER_ERR "Unable to detect available devices\n"); + printk(ACER_ERR "Unable to detect available AMW0 " + "devices\n"); return -ENODEV; } } - if (wmi_has_guid(AMW0_GUID1)) { - if (ACPI_FAILURE(AMW0_find_mailled())) - printk(ACER_ERR "Unable to detect mail LED\n"); - } + if (wmi_has_guid(AMW0_GUID1)) + AMW0_find_mailled(); find_quirks(); if (!interface) { - printk(ACER_ERR "No or unsupported WMI interface, unable to "); - printk(KERN_CONT "load.\n"); + printk(ACER_ERR "No or unsupported WMI interface, unable to " + "load\n"); return -ENODEV; } diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c index 1cfd7f3f1294..e2e7c05a147b 100644 --- a/drivers/misc/fujitsu-laptop.c +++ b/drivers/misc/fujitsu-laptop.c @@ -231,7 +231,7 @@ static int acpi_fujitsu_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - fujitsu->acpi_handle = 0; + fujitsu->acpi_handle = NULL; return 0; } diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c index 4f9d4a9da983..b5f6add34b0b 100644 --- a/drivers/misc/ibmasm/module.c +++ b/drivers/misc/ibmasm/module.c @@ -106,7 +106,7 @@ static int __devinit ibmasm_init_one(struct pci_dev *pdev, const struct pci_devi sp->irq = pdev->irq; sp->base_address = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); - if (sp->base_address == 0) { + if (!sp->base_address) { dev_err(sp->dev, "Failed to ioremap pci memory\n"); result = -ENODEV; goto error_ioremap; diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c index c884730c5eaf..1bfe5d16963b 100644 --- a/drivers/misc/lkdtm.c +++ b/drivers/misc/lkdtm.c @@ -197,7 +197,7 @@ static int lkdtm_parse_commandline(void) { int i; - if (cpoint_name == INVALID || cpoint_type == NONE || + if (cpoint_name == NULL || cpoint_type == NULL || cpoint_count < 1 || recur_count < 1) return -EINVAL; diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c index 899e3f75f288..02ff3d19b1cc 100644 --- a/drivers/misc/sony-laptop.c +++ b/drivers/misc/sony-laptop.c @@ -315,7 +315,7 @@ static void sony_laptop_report_input_event(u8 event) break; default: - if (event > ARRAY_SIZE(sony_laptop_input_index)) { + if (event >= ARRAY_SIZE(sony_laptop_input_index)) { dprintk("sony_laptop_report_input_event, event not known: %d\n", event); break; } diff --git a/drivers/mmc/core/Makefile b/drivers/mmc/core/Makefile index 4985807257a8..19a1a254a0c5 100644 --- a/drivers/mmc/core/Makefile +++ b/drivers/mmc/core/Makefile @@ -7,7 +7,7 @@ ifeq ($(CONFIG_MMC_DEBUG),y) endif obj-$(CONFIG_MMC) += mmc_core.o -mmc_core-y := core.o sysfs.o bus.o host.o \ +mmc_core-y := core.o bus.o host.o \ mmc.o mmc_ops.o sd.o sd_ops.o \ sdio.o sdio_ops.o sdio_bus.o \ sdio_cis.o sdio_io.o sdio_irq.o diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index b0c22cad9423..fd95b18e988b 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -17,7 +17,6 @@ #include <linux/mmc/card.h> #include <linux/mmc/host.h> -#include "sysfs.h" #include "core.h" #include "sdio_cis.h" #include "bus.h" @@ -43,7 +42,7 @@ static ssize_t mmc_type_show(struct device *dev, } static struct device_attribute mmc_dev_attrs[] = { - MMC_ATTR_RO(type), + __ATTR(type, S_IRUGO, mmc_type_show, NULL), __ATTR_NULL, }; @@ -189,7 +188,7 @@ static void mmc_release_card(struct device *dev) /* * Allocate and initialise a new MMC card structure. */ -struct mmc_card *mmc_alloc_card(struct mmc_host *host) +struct mmc_card *mmc_alloc_card(struct mmc_host *host, struct device_type *type) { struct mmc_card *card; @@ -204,6 +203,7 @@ struct mmc_card *mmc_alloc_card(struct mmc_host *host) card->dev.parent = mmc_classdev(host); card->dev.bus = &mmc_bus_type; card->dev.release = mmc_release_card; + card->dev.type = type; return card; } @@ -248,24 +248,10 @@ int mmc_add_card(struct mmc_card *card) type, card->rca); } - card->dev.uevent_suppress = 1; - ret = device_add(&card->dev); if (ret) return ret; - if (card->host->bus_ops->sysfs_add) { - ret = card->host->bus_ops->sysfs_add(card->host, card); - if (ret) { - device_del(&card->dev); - return ret; - } - } - - card->dev.uevent_suppress = 0; - - kobject_uevent(&card->dev.kobj, KOBJ_ADD); - mmc_card_set_present(card); return 0; @@ -285,9 +271,6 @@ void mmc_remove_card(struct mmc_card *card) printk(KERN_INFO "%s: card %04x removed\n", mmc_hostname(card->host), card->rca); } - - if (card->host->bus_ops->sysfs_remove) - card->host->bus_ops->sysfs_remove(card->host, card); device_del(&card->dev); } diff --git a/drivers/mmc/core/bus.h b/drivers/mmc/core/bus.h index 4f35431116a8..18178766ab46 100644 --- a/drivers/mmc/core/bus.h +++ b/drivers/mmc/core/bus.h @@ -11,7 +11,16 @@ #ifndef _MMC_CORE_BUS_H #define _MMC_CORE_BUS_H -struct mmc_card *mmc_alloc_card(struct mmc_host *host); +#define MMC_DEV_ATTR(name, fmt, args...) \ +static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \ +{ \ + struct mmc_card *card = container_of(dev, struct mmc_card, dev); \ + return sprintf(buf, fmt, args); \ +} \ +static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL) + +struct mmc_card *mmc_alloc_card(struct mmc_host *host, + struct device_type *type); int mmc_add_card(struct mmc_card *card); void mmc_remove_card(struct mmc_card *card); diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index 39daf2fb5dc4..cfa8e15b5923 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -18,8 +18,6 @@ struct mmc_bus_ops { void (*remove)(struct mmc_host *); void (*detect)(struct mmc_host *); - int (*sysfs_add)(struct mmc_host *, struct mmc_card *card); - void (*sysfs_remove)(struct mmc_host *, struct mmc_card *card); void (*suspend)(struct mmc_host *); void (*resume)(struct mmc_host *); }; diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 68c0e3b2f0e8..3da29eef8f7d 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -17,7 +17,6 @@ #include <linux/mmc/mmc.h> #include "core.h" -#include "sysfs.h" #include "bus.h" #include "mmc_ops.h" @@ -248,6 +247,44 @@ out: return err; } +MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1], + card->raw_cid[2], card->raw_cid[3]); +MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1], + card->raw_csd[2], card->raw_csd[3]); +MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year); +MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev); +MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev); +MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid); +MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name); +MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid); +MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial); + +static struct attribute *mmc_std_attrs[] = { + &dev_attr_cid.attr, + &dev_attr_csd.attr, + &dev_attr_date.attr, + &dev_attr_fwrev.attr, + &dev_attr_hwrev.attr, + &dev_attr_manfid.attr, + &dev_attr_name.attr, + &dev_attr_oemid.attr, + &dev_attr_serial.attr, + NULL, +}; + +static struct attribute_group mmc_std_attr_group = { + .attrs = mmc_std_attrs, +}; + +static struct attribute_group *mmc_attr_groups[] = { + &mmc_std_attr_group, + NULL, +}; + +static struct device_type mmc_type = { + .groups = mmc_attr_groups, +}; + /* * Handle the detection and initialisation of a card. * @@ -308,7 +345,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, /* * Allocate card structure. */ - card = mmc_alloc_card(host); + card = mmc_alloc_card(host, &mmc_type); if (IS_ERR(card)) { err = PTR_ERR(card); goto err; @@ -459,53 +496,6 @@ static void mmc_detect(struct mmc_host *host) } } -MMC_ATTR_FN(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1], - card->raw_cid[2], card->raw_cid[3]); -MMC_ATTR_FN(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1], - card->raw_csd[2], card->raw_csd[3]); -MMC_ATTR_FN(date, "%02d/%04d\n", card->cid.month, card->cid.year); -MMC_ATTR_FN(fwrev, "0x%x\n", card->cid.fwrev); -MMC_ATTR_FN(hwrev, "0x%x\n", card->cid.hwrev); -MMC_ATTR_FN(manfid, "0x%06x\n", card->cid.manfid); -MMC_ATTR_FN(name, "%s\n", card->cid.prod_name); -MMC_ATTR_FN(oemid, "0x%04x\n", card->cid.oemid); -MMC_ATTR_FN(serial, "0x%08x\n", card->cid.serial); - -static struct device_attribute mmc_dev_attrs[] = { - MMC_ATTR_RO(cid), - MMC_ATTR_RO(csd), - MMC_ATTR_RO(date), - MMC_ATTR_RO(fwrev), - MMC_ATTR_RO(hwrev), - MMC_ATTR_RO(manfid), - MMC_ATTR_RO(name), - MMC_ATTR_RO(oemid), - MMC_ATTR_RO(serial), - __ATTR_NULL, -}; - -/* - * Adds sysfs entries as relevant. - */ -static int mmc_sysfs_add(struct mmc_host *host, struct mmc_card *card) -{ - int ret; - - ret = mmc_add_attrs(card, mmc_dev_attrs); - if (ret < 0) - return ret; - - return 0; -} - -/* - * Removes the sysfs entries added by mmc_sysfs_add(). - */ -static void mmc_sysfs_remove(struct mmc_host *host, struct mmc_card *card) -{ - mmc_remove_attrs(card, mmc_dev_attrs); -} - #ifdef CONFIG_MMC_UNSAFE_RESUME /* @@ -560,8 +550,6 @@ static void mmc_resume(struct mmc_host *host) static const struct mmc_bus_ops mmc_ops = { .remove = mmc_remove, .detect = mmc_detect, - .sysfs_add = mmc_sysfs_add, - .sysfs_remove = mmc_sysfs_remove, .suspend = mmc_suspend, .resume = mmc_resume, }; diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index d1c1e0f592f1..7ef3b15c5e3d 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -18,7 +18,6 @@ #include <linux/mmc/sd.h> #include "core.h" -#include "sysfs.h" #include "bus.h" #include "mmc_ops.h" #include "sd_ops.h" @@ -283,6 +282,47 @@ out: return err; } +MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1], + card->raw_cid[2], card->raw_cid[3]); +MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1], + card->raw_csd[2], card->raw_csd[3]); +MMC_DEV_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]); +MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year); +MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev); +MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev); +MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid); +MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name); +MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid); +MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial); + + +static struct attribute *sd_std_attrs[] = { + &dev_attr_cid.attr, + &dev_attr_csd.attr, + &dev_attr_scr.attr, + &dev_attr_date.attr, + &dev_attr_fwrev.attr, + &dev_attr_hwrev.attr, + &dev_attr_manfid.attr, + &dev_attr_name.attr, + &dev_attr_oemid.attr, + &dev_attr_serial.attr, + NULL, +}; + +static struct attribute_group sd_std_attr_group = { + .attrs = sd_std_attrs, +}; + +static struct attribute_group *sd_attr_groups[] = { + &sd_std_attr_group, + NULL, +}; + +static struct device_type sd_type = { + .groups = sd_attr_groups, +}; + /* * Handle the detection and initialisation of a card. * @@ -352,7 +392,7 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, /* * Allocate card structure. */ - card = mmc_alloc_card(host); + card = mmc_alloc_card(host, &sd_type); if (IS_ERR(card)) { err = PTR_ERR(card); goto err; @@ -518,55 +558,6 @@ static void mmc_sd_detect(struct mmc_host *host) } } -MMC_ATTR_FN(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1], - card->raw_cid[2], card->raw_cid[3]); -MMC_ATTR_FN(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1], - card->raw_csd[2], card->raw_csd[3]); -MMC_ATTR_FN(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]); -MMC_ATTR_FN(date, "%02d/%04d\n", card->cid.month, card->cid.year); -MMC_ATTR_FN(fwrev, "0x%x\n", card->cid.fwrev); -MMC_ATTR_FN(hwrev, "0x%x\n", card->cid.hwrev); -MMC_ATTR_FN(manfid, "0x%06x\n", card->cid.manfid); -MMC_ATTR_FN(name, "%s\n", card->cid.prod_name); -MMC_ATTR_FN(oemid, "0x%04x\n", card->cid.oemid); -MMC_ATTR_FN(serial, "0x%08x\n", card->cid.serial); - -static struct device_attribute mmc_sd_dev_attrs[] = { - MMC_ATTR_RO(cid), - MMC_ATTR_RO(csd), - MMC_ATTR_RO(scr), - MMC_ATTR_RO(date), - MMC_ATTR_RO(fwrev), - MMC_ATTR_RO(hwrev), - MMC_ATTR_RO(manfid), - MMC_ATTR_RO(name), - MMC_ATTR_RO(oemid), - MMC_ATTR_RO(serial), - __ATTR_NULL, -}; - -/* - * Adds sysfs entries as relevant. - */ -static int mmc_sd_sysfs_add(struct mmc_host *host, struct mmc_card *card) -{ - int ret; - - ret = mmc_add_attrs(card, mmc_sd_dev_attrs); - if (ret < 0) - return ret; - - return 0; -} - -/* - * Removes the sysfs entries added by mmc_sysfs_add(). - */ -static void mmc_sd_sysfs_remove(struct mmc_host *host, struct mmc_card *card) -{ - mmc_remove_attrs(card, mmc_sd_dev_attrs); -} - #ifdef CONFIG_MMC_UNSAFE_RESUME /* @@ -621,8 +612,6 @@ static void mmc_sd_resume(struct mmc_host *host) static const struct mmc_bus_ops mmc_sd_ops = { .remove = mmc_sd_remove, .detect = mmc_sd_detect, - .sysfs_add = mmc_sd_sysfs_add, - .sysfs_remove = mmc_sd_sysfs_remove, .suspend = mmc_sd_suspend, .resume = mmc_sd_resume, }; diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 87a50f456efc..4eab79e09ccc 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -287,7 +287,7 @@ int mmc_attach_sdio(struct mmc_host *host, u32 ocr) /* * Allocate card structure. */ - card = mmc_alloc_card(host); + card = mmc_alloc_card(host, NULL); if (IS_ERR(card)) { err = PTR_ERR(card); goto err; diff --git a/drivers/mmc/core/sysfs.c b/drivers/mmc/core/sysfs.c deleted file mode 100644 index 00a97e70f914..000000000000 --- a/drivers/mmc/core/sysfs.c +++ /dev/null @@ -1,43 +0,0 @@ -/* - * linux/drivers/mmc/core/sysfs.c - * - * Copyright (C) 2003 Russell King, All Rights Reserved. - * Copyright 2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * MMC sysfs/driver model support. - */ -#include <linux/device.h> - -#include <linux/mmc/card.h> - -#include "sysfs.h" - -int mmc_add_attrs(struct mmc_card *card, struct device_attribute *attrs) -{ - int error = 0; - int i; - - for (i = 0; attr_name(attrs[i]); i++) { - error = device_create_file(&card->dev, &attrs[i]); - if (error) { - while (--i >= 0) - device_remove_file(&card->dev, &attrs[i]); - break; - } - } - - return error; -} - -void mmc_remove_attrs(struct mmc_card *card, struct device_attribute *attrs) -{ - int i; - - for (i = 0; attr_name(attrs[i]); i++) - device_remove_file(&card->dev, &attrs[i]); -} - diff --git a/drivers/mmc/core/sysfs.h b/drivers/mmc/core/sysfs.h deleted file mode 100644 index 4b8f670bd10f..000000000000 --- a/drivers/mmc/core/sysfs.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * linux/drivers/mmc/core/sysfs.h - * - * Copyright (C) 2003 Russell King, All Rights Reserved. - * Copyright 2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef _MMC_CORE_SYSFS_H -#define _MMC_CORE_SYSFS_H - -#define MMC_ATTR_FN(name, fmt, args...) \ -static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct mmc_card *card = container_of(dev, struct mmc_card, dev);\ - return sprintf(buf, fmt, args); \ -} - -#define MMC_ATTR_RO(name) __ATTR(name, S_IRUGO, mmc_##name##_show, NULL) - -int mmc_add_attrs(struct mmc_card *card, struct device_attribute *attrs); -void mmc_remove_attrs(struct mmc_card *card, struct device_attribute *attrs); - -#endif diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c index 20d5c7bd940a..1c14a186f000 100644 --- a/drivers/mmc/host/tifm_sd.c +++ b/drivers/mmc/host/tifm_sd.c @@ -180,7 +180,7 @@ static void tifm_sd_transfer_data(struct tifm_sd *host) host->sg_pos++; if (host->sg_pos == host->sg_len) { if ((r_data->flags & MMC_DATA_WRITE) - && DATA_CARRY) + && (host->cmd_flags & DATA_CARRY)) writel(host->bounce_buf_data[0], host->dev->addr + SOCK_MMCSD_DATA); diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index eeaaa9dce6ef..ad1880c67518 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -408,7 +408,6 @@ static int block2mtd_setup2(const char *val) if (token[1]) { ret = parse_num(&erase_size, token[1]); if (ret) { - kfree(name); parse_err("illegal erase size"); } } diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c index f00e04efbe28..bc4649a17b9d 100644 --- a/drivers/mtd/maps/physmap.c +++ b/drivers/mtd/maps/physmap.c @@ -202,9 +202,8 @@ static int physmap_flash_suspend(struct platform_device *dev, pm_message_t state int ret = 0; int i; - if (info) - for (i = 0; i < MAX_RESOURCES; i++) - ret |= info->mtd[i]->suspend(info->mtd[i]); + for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) + ret |= info->mtd[i]->suspend(info->mtd[i]); return ret; } @@ -214,9 +213,9 @@ static int physmap_flash_resume(struct platform_device *dev) struct physmap_flash_info *info = platform_get_drvdata(dev); int i; - if (info) - for (i = 0; i < MAX_RESOURCES; i++) - info->mtd[i]->resume(info->mtd[i]); + for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) + info->mtd[i]->resume(info->mtd[i]); + return 0; } @@ -225,8 +224,8 @@ static void physmap_flash_shutdown(struct platform_device *dev) struct physmap_flash_info *info = platform_get_drvdata(dev); int i; - for (i = 0; i < MAX_RESOURCES; i++) - if (info && info->mtd[i]->suspend(info->mtd[i]) == 0) + for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) + if (info->mtd[i]->suspend(info->mtd[i]) == 0) info->mtd[i]->resume(info->mtd[i]); } #else diff --git a/drivers/mtd/nand/rtc_from4.c b/drivers/mtd/nand/rtc_from4.c index 9189ec8f243e..0f6ac250f434 100644 --- a/drivers/mtd/nand/rtc_from4.c +++ b/drivers/mtd/nand/rtc_from4.c @@ -460,7 +460,7 @@ static int rtc_from4_errstat(struct mtd_info *mtd, struct nand_chip *this, er_stat |= 1 << 1; kfree(buf); } - +out: rtn = status; if (er_stat == 0) { /* if ECC is available */ rtn = (status & ~NAND_STATUS_FAIL); /* clear the error bit */ diff --git a/drivers/net/3c501.c b/drivers/net/3c501.c index 7d253686ed0d..5ba4bab6d43e 100644 --- a/drivers/net/3c501.c +++ b/drivers/net/3c501.c @@ -485,9 +485,7 @@ static int el_start_xmit(struct sk_buff *skb, struct net_device *dev) printk(KERN_DEBUG "%s: burped during tx load.\n", dev->name); spin_lock_irqsave(&lp->lock, flags); - } - while (1); - + } while (1); } /** @@ -612,7 +610,8 @@ static irqreturn_t el_interrupt(int irq, void *dev_id) dev->stats.tx_packets++; if (el_debug > 6) printk(KERN_DEBUG " Tx succeeded %s\n", - (txsr & TX_RDY) ? "." : "but tx is busy!"); + (txsr & TX_RDY) ? "." : + "but tx is busy!"); /* * This is safe the interrupt is atomic WRT itself. */ @@ -693,7 +692,8 @@ static void el_receive(struct net_device *dev) if (pkt_len < 60 || pkt_len > 1536) { if (el_debug) - printk(KERN_DEBUG "%s: bogus packet, length=%d\n", dev->name, pkt_len); + printk(KERN_DEBUG "%s: bogus packet, length=%d\n", + dev->name, pkt_len); dev->stats.rx_over_errors++; return; } @@ -711,7 +711,8 @@ static void el_receive(struct net_device *dev) outw(0x00, GP_LOW); if (skb == NULL) { - printk(KERN_INFO "%s: Memory squeeze, dropping packet.\n", dev->name); + printk(KERN_INFO "%s: Memory squeeze, dropping packet.\n", + dev->name); dev->stats.rx_dropped++; return; } else { @@ -748,7 +749,8 @@ static void el_reset(struct net_device *dev) if (el_debug > 2) printk(KERN_INFO "3c501 reset..."); outb(AX_RESET, AX_CMD); /* Reset the chip */ - outb(AX_LOOP, AX_CMD); /* Aux control, irq and loopback enabled */ + /* Aux control, irq and loopback enabled */ + outb(AX_LOOP, AX_CMD); { int i; for (i = 0; i < 6; i++) /* Set the station address. */ diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index a0f0e605d630..fe7b5ec09708 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2366,15 +2366,15 @@ config GELIC_NET module will be called ps3_gelic. config GELIC_WIRELESS - bool "PS3 Wireless support" - depends on GELIC_NET - select WIRELESS_EXT - help - This option adds the support for the wireless feature of PS3. - If you have the wireless-less model of PS3 or have no plan to - use wireless feature, disabling this option saves memory. As - the driver automatically distinguishes the models, you can - safely enable this option even if you have a wireless-less model. + bool "PS3 Wireless support" + depends on GELIC_NET + select WIRELESS_EXT + help + This option adds the support for the wireless feature of PS3. + If you have the wireless-less model of PS3 or have no plan to + use wireless feature, disabling this option saves memory. As + the driver automatically distinguishes the models, you can + safely enable this option even if you have a wireless-less model. config GIANFAR tristate "Gianfar Ethernet" @@ -2519,7 +2519,7 @@ config CHELSIO_T3 config EHEA tristate "eHEA Ethernet support" - depends on IBMEBUS && INET + depends on IBMEBUS && INET && SPARSEMEM select INET_LRO ---help--- This driver supports the IBM pSeries eHEA ethernet adapter. diff --git a/drivers/net/ac3200.c b/drivers/net/ac3200.c index 5136d94923aa..b1448637107f 100644 --- a/drivers/net/ac3200.c +++ b/drivers/net/ac3200.c @@ -369,7 +369,7 @@ MODULE_PARM_DESC(mem, "Memory base address(es)"); MODULE_DESCRIPTION("Ansel AC3200 EISA ethernet driver"); MODULE_LICENSE("GPL"); -int __init init_module(void) +static int __init ac3200_module_init(void) { struct net_device *dev; int this_dev, found = 0; @@ -404,8 +404,7 @@ static void cleanup_card(struct net_device *dev) iounmap(ei_status.mem); } -void __exit -cleanup_module(void) +static void __exit ac3200_module_exit(void) { int this_dev; @@ -418,4 +417,6 @@ cleanup_module(void) } } } +module_init(ac3200_module_init); +module_exit(ac3200_module_exit); #endif /* MODULE */ diff --git a/drivers/net/apne.c b/drivers/net/apne.c index c12cbdf368b1..47a8275d3962 100644 --- a/drivers/net/apne.c +++ b/drivers/net/apne.c @@ -569,7 +569,7 @@ static irqreturn_t apne_interrupt(int irq, void *dev_id) #ifdef MODULE static struct net_device *apne_dev; -int __init init_module(void) +static int __init apne_module_init(void) { apne_dev = apne_probe(-1); if (IS_ERR(apne_dev)) @@ -577,7 +577,7 @@ int __init init_module(void) return 0; } -void __exit cleanup_module(void) +static void __exit apne_module_exit(void) { unregister_netdev(apne_dev); @@ -591,7 +591,8 @@ void __exit cleanup_module(void) free_netdev(apne_dev); } - +module_init(apne_module_init); +module_exit(apne_module_exit); #endif static int init_pcmcia(void) diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c index 6ab2c2d4d673..fef5560bc7a2 100644 --- a/drivers/net/appletalk/ltpc.c +++ b/drivers/net/appletalk/ltpc.c @@ -1252,7 +1252,7 @@ module_param(irq, int, 0); module_param(dma, int, 0); -int __init init_module(void) +static int __init ltpc_module_init(void) { if(io == 0) printk(KERN_NOTICE @@ -1263,6 +1263,7 @@ int __init init_module(void) return PTR_ERR(dev_ltpc); return 0; } +module_init(ltpc_module_init); #endif static void __exit ltpc_cleanup(void) diff --git a/drivers/net/arcnet/capmode.c b/drivers/net/arcnet/capmode.c index cc4610db6395..02cb8f1c1148 100644 --- a/drivers/net/arcnet/capmode.c +++ b/drivers/net/arcnet/capmode.c @@ -80,17 +80,19 @@ void arcnet_cap_init(void) #ifdef MODULE -int __init init_module(void) +static int __init capmode_module_init(void) { printk(VERSION); arcnet_cap_init(); return 0; } -void cleanup_module(void) +static void __exit capmode_module_exit(void) { arcnet_unregister_proto(&capmode_proto); } +module_init(capmode_module_init); +module_exit(capmode_module_exit); MODULE_LICENSE("GPL"); #endif /* MODULE */ diff --git a/drivers/net/atarilance.c b/drivers/net/atarilance.c index b74dbeef8050..13c293b286de 100644 --- a/drivers/net/atarilance.c +++ b/drivers/net/atarilance.c @@ -336,8 +336,6 @@ struct lance_addr { /***************************** Prototypes *****************************/ -static int addr_accessible( volatile void *regp, int wordflag, int - writeflag ); static unsigned long lance_probe1( struct net_device *dev, struct lance_addr *init_rec ); static int lance_open( struct net_device *dev ); @@ -406,7 +404,8 @@ struct net_device * __init atarilance_probe(int unit) /* Derived from hwreg_present() in atari/config.c: */ -static int __init addr_accessible( volatile void *regp, int wordflag, int writeflag ) +static noinline int __init addr_accessible(volatile void *regp, int wordflag, + int writeflag) { int ret; long flags; diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c index 9200ee59d854..129b8b3aa773 100644 --- a/drivers/net/atl1/atl1_main.c +++ b/drivers/net/atl1/atl1_main.c @@ -1765,15 +1765,12 @@ static irqreturn_t atl1_intr(int irq, void *data) { struct atl1_adapter *adapter = netdev_priv(data); u32 status; - u8 update_rx; int max_ints = 10; status = adapter->cmb.cmb->int_stats; if (!status) return IRQ_NONE; - update_rx = 0; - do { /* clear CMB interrupt status at once */ adapter->cmb.cmb->int_stats = 0; diff --git a/drivers/net/b44.c b/drivers/net/b44.c index ea2a2b548e3c..25f1337cd02c 100644 --- a/drivers/net/b44.c +++ b/drivers/net/b44.c @@ -2082,6 +2082,11 @@ static int __devinit b44_get_invariants(struct b44 *bp) addr = sdev->bus->sprom.et0mac; bp->phy_addr = sdev->bus->sprom.et0phyaddr; } + /* Some ROMs have buggy PHY addresses with the high + * bits set (sign extension?). Truncate them to a + * valid PHY address. */ + bp->phy_addr &= 0x1F; + memcpy(bp->dev->dev_addr, addr, 6); if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){ diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index 8af142ccf373..de32b3fba322 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -63,8 +63,8 @@ #include "bnx2x.h" #include "bnx2x_init.h" -#define DRV_MODULE_VERSION "1.40.22" -#define DRV_MODULE_RELDATE "2007/11/27" +#define DRV_MODULE_VERSION "1.42.3" +#define DRV_MODULE_RELDATE "2008/3/9" #define BNX2X_BC_VER 0x040200 /* Time in jiffies before concluding the transmitter is hung. */ @@ -8008,38 +8008,6 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); - switch (cmd->port) { - case PORT_TP: - if (!(bp->supported & SUPPORTED_TP)) { - DP(NETIF_MSG_LINK, "TP not supported\n"); - return -EINVAL; - } - - if (bp->phy_flags & PHY_XGXS_FLAG) { - bnx2x_link_reset(bp); - bnx2x_link_settings_supported(bp, SWITCH_CFG_1G); - bnx2x_phy_deassert(bp); - } - break; - - case PORT_FIBRE: - if (!(bp->supported & SUPPORTED_FIBRE)) { - DP(NETIF_MSG_LINK, "FIBRE not supported\n"); - return -EINVAL; - } - - if (!(bp->phy_flags & PHY_XGXS_FLAG)) { - bnx2x_link_reset(bp); - bnx2x_link_settings_supported(bp, SWITCH_CFG_10G); - bnx2x_phy_deassert(bp); - } - break; - - default: - DP(NETIF_MSG_LINK, "Unknown port type\n"); - return -EINVAL; - } - if (cmd->autoneg == AUTONEG_ENABLE) { if (!(bp->supported & SUPPORTED_Autoneg)) { DP(NETIF_MSG_LINK, "Aotoneg not supported\n"); diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index cb3c6faa7888..d16e0e1d2b30 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -310,7 +310,7 @@ static inline int __check_agg_selection_timer(struct port *port) */ static inline void __get_rx_machine_lock(struct port *port) { - spin_lock(&(SLAVE_AD_INFO(port->slave).rx_machine_lock)); + spin_lock_bh(&(SLAVE_AD_INFO(port->slave).rx_machine_lock)); } /** @@ -320,7 +320,7 @@ static inline void __get_rx_machine_lock(struct port *port) */ static inline void __release_rx_machine_lock(struct port *port) { - spin_unlock(&(SLAVE_AD_INFO(port->slave).rx_machine_lock)); + spin_unlock_bh(&(SLAVE_AD_INFO(port->slave).rx_machine_lock)); } /** diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index b57bc9467dbe..3f58c3d0b710 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -678,12 +678,8 @@ static struct slave *rlb_choose_channel(struct sk_buff *skb, struct bonding *bon } if (!list_empty(&bond->vlan_list)) { - unsigned short vlan_id; - int res = vlan_get_tag(skb, &vlan_id); - if (!res) { + if (!vlan_get_tag(skb, &client_info->vlan_id)) client_info->tag = 1; - client_info->vlan_id = vlan_id; - } } if (!client_info->assigned) { diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 0942d82f7cbf..0f0675319e9c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -383,7 +383,7 @@ struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr) */ int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev) { - unsigned short vlan_id; + unsigned short uninitialized_var(vlan_id); if (!list_empty(&bond->vlan_list) && !(slave_dev->features & NETIF_F_HW_VLAN_TX) && @@ -4528,8 +4528,7 @@ static void bond_free_all(void) netif_tx_unlock_bh(bond_dev); /* Release the bonded slaves */ bond_release_all(bond_dev); - bond_deinit(bond_dev); - unregister_netdevice(bond_dev); + bond_destroy(bond); } #ifdef CONFIG_PROC_FS diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 67ccad69d445..a3c74e20aa53 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -22,8 +22,8 @@ #include "bond_3ad.h" #include "bond_alb.h" -#define DRV_VERSION "3.2.4" -#define DRV_RELDATE "January 28, 2008" +#define DRV_VERSION "3.2.5" +#define DRV_RELDATE "March 21, 2008" #define DRV_NAME "bonding" #define DRV_DESCRIPTION "Ethernet Channel Bonding Driver" diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 979f3fc5e765..98a6bbd11d4c 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -557,9 +557,9 @@ static void t3_free_qset(struct adapter *adapter, struct sge_qset *q) for (i = 0; i < SGE_RXQ_PER_SET; ++i) if (q->fl[i].desc) { - spin_lock(&adapter->sge.reg_lock); + spin_lock_irq(&adapter->sge.reg_lock); t3_sge_disable_fl(adapter, q->fl[i].cntxt_id); - spin_unlock(&adapter->sge.reg_lock); + spin_unlock_irq(&adapter->sge.reg_lock); free_rx_bufs(pdev, &q->fl[i]); kfree(q->fl[i].sdesc); dma_free_coherent(&pdev->dev, @@ -570,9 +570,9 @@ static void t3_free_qset(struct adapter *adapter, struct sge_qset *q) for (i = 0; i < SGE_TXQ_PER_SET; ++i) if (q->txq[i].desc) { - spin_lock(&adapter->sge.reg_lock); + spin_lock_irq(&adapter->sge.reg_lock); t3_sge_enable_ecntxt(adapter, q->txq[i].cntxt_id, 0); - spin_unlock(&adapter->sge.reg_lock); + spin_unlock_irq(&adapter->sge.reg_lock); if (q->txq[i].sdesc) { free_tx_desc(adapter, &q->txq[i], q->txq[i].in_use); @@ -586,9 +586,9 @@ static void t3_free_qset(struct adapter *adapter, struct sge_qset *q) } if (q->rspq.desc) { - spin_lock(&adapter->sge.reg_lock); + spin_lock_irq(&adapter->sge.reg_lock); t3_sge_disable_rspcntxt(adapter, q->rspq.cntxt_id); - spin_unlock(&adapter->sge.reg_lock); + spin_unlock_irq(&adapter->sge.reg_lock); dma_free_coherent(&pdev->dev, q->rspq.size * sizeof(struct rsp_desc), q->rspq.desc, q->rspq.phys_addr); @@ -1107,9 +1107,15 @@ int t3_eth_xmit(struct sk_buff *skb, struct net_device *dev) } q->in_use += ndesc; - if (unlikely(credits - ndesc < q->stop_thres)) - if (USE_GTS || !should_restart_tx(q)) - t3_stop_queue(dev, qs, q); + if (unlikely(credits - ndesc < q->stop_thres)) { + t3_stop_queue(dev, qs, q); + + if (should_restart_tx(q) && + test_and_clear_bit(TXQ_ETH, &qs->txq_stopped)) { + q->restarts++; + netif_wake_queue(dev); + } + } gen = q->gen; q->unacked += ndesc; @@ -2661,7 +2667,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports, (16 * 1024) - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) : MAX_FRAME_SIZE + 2 + sizeof(struct cpl_rx_pkt); - spin_lock(&adapter->sge.reg_lock); + spin_lock_irq(&adapter->sge.reg_lock); /* FL threshold comparison uses < */ ret = t3_sge_init_rspcntxt(adapter, q->rspq.cntxt_id, irq_vec_idx, @@ -2705,7 +2711,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports, goto err_unlock; } - spin_unlock(&adapter->sge.reg_lock); + spin_unlock_irq(&adapter->sge.reg_lock); q->adap = adapter; q->netdev = dev; @@ -2722,7 +2728,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports, return 0; err_unlock: - spin_unlock(&adapter->sge.reg_lock); + spin_unlock_irq(&adapter->sge.reg_lock); err: t3_free_qset(adapter, q); return ret; diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c index 1fe305ca2cf0..d63cc93f055d 100644 --- a/drivers/net/dm9000.c +++ b/drivers/net/dm9000.c @@ -798,8 +798,6 @@ dm9000_init_dm9000(struct net_device *dev) /* Set address filter table */ dm9000_hash_table(dev); - /* Activate DM9000 */ - iow(db, DM9000_RCR, RCR_DIS_LONG | RCR_DIS_CRC | RCR_RXEN); /* Enable TX/RX interrupt mask */ iow(db, DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM); @@ -970,7 +968,7 @@ dm9000_interrupt(int irq, void *dev_id) struct dm9000_rxhdr { u8 RxPktReady; u8 RxStatus; - u16 RxLen; + __le16 RxLen; } __attribute__((__packed__)); /* @@ -1197,6 +1195,7 @@ dm9000_hash_table(struct net_device *dev) int i, oft; u32 hash_val; u16 hash_table[4]; + u8 rcr = RCR_DIS_LONG | RCR_DIS_CRC | RCR_RXEN; unsigned long flags; dm9000_dbg(db, 1, "entering %s\n", __func__); @@ -1213,6 +1212,12 @@ dm9000_hash_table(struct net_device *dev) /* broadcast address */ hash_table[3] = 0x8000; + if (dev->flags & IFF_PROMISC) + rcr |= RCR_PRMSC; + + if (dev->flags & IFF_ALLMULTI) + rcr |= RCR_ALL; + /* the multicast address in Hash Table : 64 bits */ for (i = 0; i < mc_cnt; i++, mcptr = mcptr->next) { hash_val = ether_crc_le(6, mcptr->dmi_addr) & 0x3f; @@ -1225,6 +1230,7 @@ dm9000_hash_table(struct net_device *dev) iow(db, oft++, hash_table[i] >> 8); } + iow(db, DM9000_RCR, rcr); spin_unlock_irqrestore(&db->lock, flags); } diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 36ba6dc96acc..2d139ec79777 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -960,7 +960,7 @@ static void e100_get_defaults(struct nic *nic) /* Template for a freshly allocated RFD */ nic->blank_rfd.command = 0; - nic->blank_rfd.rbd = 0xFFFFFFFF; + nic->blank_rfd.rbd = cpu_to_le32(0xFFFFFFFF); nic->blank_rfd.size = cpu_to_le16(VLAN_ETH_FRAME_LEN); /* MII setup */ @@ -2782,16 +2782,13 @@ static void __devexit e100_remove(struct pci_dev *pdev) } } -#ifdef CONFIG_PM static int e100_suspend(struct pci_dev *pdev, pm_message_t state) { struct net_device *netdev = pci_get_drvdata(pdev); struct nic *nic = netdev_priv(netdev); if (netif_running(netdev)) - napi_disable(&nic->napi); - del_timer_sync(&nic->watchdog); - netif_carrier_off(nic->netdev); + e100_down(nic); netif_device_detach(netdev); pci_save_state(pdev); @@ -2804,14 +2801,13 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state) pci_enable_wake(pdev, PCI_D3cold, 0); } - free_irq(pdev->irq, netdev); - pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); return 0; } +#ifdef CONFIG_PM static int e100_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); @@ -2832,26 +2828,7 @@ static int e100_resume(struct pci_dev *pdev) static void e100_shutdown(struct pci_dev *pdev) { - struct net_device *netdev = pci_get_drvdata(pdev); - struct nic *nic = netdev_priv(netdev); - - if (netif_running(netdev)) - napi_disable(&nic->napi); - del_timer_sync(&nic->watchdog); - netif_carrier_off(nic->netdev); - - if ((nic->flags & wol_magic) | e100_asf(nic)) { - pci_enable_wake(pdev, PCI_D3hot, 1); - pci_enable_wake(pdev, PCI_D3cold, 1); - } else { - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - } - - free_irq(pdev->irq, netdev); - - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); + e100_suspend(pdev, PMSG_SUSPEND); } /* ------------------ PCI Error Recovery infrastructure -------------- */ diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 7c4ead35cfa2..93b7fb246960 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -40,7 +40,7 @@ #include <asm/io.h> #define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0087" +#define DRV_VERSION "EHEA_0089" /* eHEA capability flags */ #define DLPAR_PORT_ADD_REM 1 diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 21af674b764e..07c742dd3f09 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -3108,7 +3108,7 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter, dev->vlan_rx_add_vid = ehea_vlan_rx_add_vid; dev->vlan_rx_kill_vid = ehea_vlan_rx_kill_vid; dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_TSO - | NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_TX + | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER | NETIF_F_LLTX; dev->tx_timeout = &ehea_tx_watchdog; diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c index 0809a6a5a286..46a90e9ec563 100644 --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -900,7 +900,7 @@ static void enc28j60_hw_rx(struct net_device *ndev) if (RSV_GETBIT(rxstat, RSV_LENCHECKERR)) ndev->stats.rx_frame_errors++; } else { - skb = dev_alloc_skb(len); + skb = dev_alloc_skb(len + NET_IP_ALIGN); if (!skb) { if (netif_msg_rx_err(priv)) dev_err(&ndev->dev, @@ -908,6 +908,7 @@ static void enc28j60_hw_rx(struct net_device *ndev) ndev->stats.rx_dropped++; } else { skb->dev = ndev; + skb_reserve(skb, NET_IP_ALIGN); /* copy the packet from the receive buffer */ enc28j60_mem_read(priv, priv->next_pk_ptr + sizeof(rsv), len, skb_put(skb, len)); diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c index 0b365b8d947b..76118ddd1042 100644 --- a/drivers/net/epic100.c +++ b/drivers/net/epic100.c @@ -131,8 +131,8 @@ IIIa. Ring buffers IVb. References -http://www.smsc.com/main/datasheets/83c171.pdf -http://www.smsc.com/main/datasheets/83c175.pdf +http://www.smsc.com/main/tools/discontinued/83c171.pdf +http://www.smsc.com/main/tools/discontinued/83c175.pdf http://scyld.com/expert/NWay.html http://www.national.com/pf/DP/DP83840A.html @@ -227,7 +227,12 @@ static const u16 media2miictl[16] = { 0, 0x0C00, 0x0C00, 0x2000, 0x0100, 0x2100, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; -/* The EPIC100 Rx and Tx buffer descriptors. */ +/* + * The EPIC100 Rx and Tx buffer descriptors. Note that these + * really ARE host-endian; it's not a misannotation. We tell + * the card to byteswap them internally on big-endian hosts - + * look for #ifdef CONFIG_BIG_ENDIAN in epic_open(). + */ struct epic_tx_desc { u32 txstatus; @@ -418,7 +423,7 @@ static int __devinit epic_init_one (struct pci_dev *pdev, /* Note: the '175 does not have a serial EEPROM. */ for (i = 0; i < 3; i++) - ((u16 *)dev->dev_addr)[i] = le16_to_cpu(inw(ioaddr + LAN0 + i*4)); + ((__le16 *)dev->dev_addr)[i] = cpu_to_le16(inw(ioaddr + LAN0 + i*4)); if (debug > 2) { dev_printk(KERN_DEBUG, &pdev->dev, "EEPROM contents:\n"); @@ -682,7 +687,8 @@ static int epic_open(struct net_device *dev) if (ep->chip_flags & MII_PWRDWN) outl((inl(ioaddr + NVCTL) & ~0x003C) | 0x4800, ioaddr + NVCTL); -#if defined(__powerpc__) || defined(__sparc__) /* Big endian */ + /* Tell the chip to byteswap descriptors on big-endian hosts */ +#ifdef CONFIG_BIG_ENDIAN outl(0x4432 | (RX_FIFO_THRESH<<8), ioaddr + GENCTL); inl(ioaddr + GENCTL); outl(0x0432 | (RX_FIFO_THRESH<<8), ioaddr + GENCTL); @@ -695,7 +701,7 @@ static int epic_open(struct net_device *dev) udelay(20); /* Looks like EPII needs that if you want reliable RX init. FIXME: pci posting bug? */ for (i = 0; i < 3; i++) - outl(cpu_to_le16(((u16*)dev->dev_addr)[i]), ioaddr + LAN0 + i*4); + outl(le16_to_cpu(((__le16*)dev->dev_addr)[i]), ioaddr + LAN0 + i*4); ep->tx_threshold = TX_FIFO_THRESH; outl(ep->tx_threshold, ioaddr + TxThresh); @@ -798,7 +804,7 @@ static void epic_restart(struct net_device *dev) for (i = 16; i > 0; i--) outl(0x0008, ioaddr + TEST1); -#if defined(__powerpc__) || defined(__sparc__) /* Big endian */ +#ifdef CONFIG_BIG_ENDIAN outl(0x0432 | (RX_FIFO_THRESH<<8), ioaddr + GENCTL); #else outl(0x0412 | (RX_FIFO_THRESH<<8), ioaddr + GENCTL); @@ -808,7 +814,7 @@ static void epic_restart(struct net_device *dev) outl((inl(ioaddr + NVCTL) & ~0x003C) | 0x4800, ioaddr + NVCTL); for (i = 0; i < 3; i++) - outl(cpu_to_le16(((u16*)dev->dev_addr)[i]), ioaddr + LAN0 + i*4); + outl(le16_to_cpu(((__le16*)dev->dev_addr)[i]), ioaddr + LAN0 + i*4); ep->tx_threshold = TX_FIFO_THRESH; outl(ep->tx_threshold, ioaddr + TxThresh); @@ -919,7 +925,7 @@ static void epic_init_ring(struct net_device *dev) /* Initialize all Rx descriptors. */ for (i = 0; i < RX_RING_SIZE; i++) { ep->rx_ring[i].rxstatus = 0; - ep->rx_ring[i].buflength = cpu_to_le32(ep->rx_buf_sz); + ep->rx_ring[i].buflength = ep->rx_buf_sz; ep->rx_ring[i].next = ep->rx_ring_dma + (i+1)*sizeof(struct epic_rx_desc); ep->rx_skbuff[i] = NULL; @@ -936,7 +942,7 @@ static void epic_init_ring(struct net_device *dev) skb_reserve(skb, 2); /* 16 byte align the IP header. */ ep->rx_ring[i].bufaddr = pci_map_single(ep->pci_dev, skb->data, ep->rx_buf_sz, PCI_DMA_FROMDEVICE); - ep->rx_ring[i].rxstatus = cpu_to_le32(DescOwn); + ep->rx_ring[i].rxstatus = DescOwn; } ep->dirty_rx = (unsigned int)(i - RX_RING_SIZE); @@ -974,20 +980,20 @@ static int epic_start_xmit(struct sk_buff *skb, struct net_device *dev) ep->tx_ring[entry].bufaddr = pci_map_single(ep->pci_dev, skb->data, skb->len, PCI_DMA_TODEVICE); if (free_count < TX_QUEUE_LEN/2) {/* Typical path */ - ctrl_word = cpu_to_le32(0x100000); /* No interrupt */ + ctrl_word = 0x100000; /* No interrupt */ } else if (free_count == TX_QUEUE_LEN/2) { - ctrl_word = cpu_to_le32(0x140000); /* Tx-done intr. */ + ctrl_word = 0x140000; /* Tx-done intr. */ } else if (free_count < TX_QUEUE_LEN - 1) { - ctrl_word = cpu_to_le32(0x100000); /* No Tx-done intr. */ + ctrl_word = 0x100000; /* No Tx-done intr. */ } else { /* Leave room for an additional entry. */ - ctrl_word = cpu_to_le32(0x140000); /* Tx-done intr. */ + ctrl_word = 0x140000; /* Tx-done intr. */ ep->tx_full = 1; } - ep->tx_ring[entry].buflength = ctrl_word | cpu_to_le32(skb->len); + ep->tx_ring[entry].buflength = ctrl_word | skb->len; ep->tx_ring[entry].txstatus = ((skb->len >= ETH_ZLEN ? skb->len : ETH_ZLEN) << 16) - | cpu_to_le32(DescOwn); + | DescOwn; ep->cur_tx++; if (ep->tx_full) @@ -1041,7 +1047,7 @@ static void epic_tx(struct net_device *dev, struct epic_private *ep) for (dirty_tx = ep->dirty_tx; cur_tx - dirty_tx > 0; dirty_tx++) { struct sk_buff *skb; int entry = dirty_tx % TX_RING_SIZE; - int txstatus = le32_to_cpu(ep->tx_ring[entry].txstatus); + int txstatus = ep->tx_ring[entry].txstatus; if (txstatus & DescOwn) break; /* It still hasn't been Txed */ @@ -1163,8 +1169,8 @@ static int epic_rx(struct net_device *dev, int budget) rx_work_limit = budget; /* If we own the next entry, it's a new packet. Send it up. */ - while ((ep->rx_ring[entry].rxstatus & cpu_to_le32(DescOwn)) == 0) { - int status = le32_to_cpu(ep->rx_ring[entry].rxstatus); + while ((ep->rx_ring[entry].rxstatus & DescOwn) == 0) { + int status = ep->rx_ring[entry].rxstatus; if (debug > 4) printk(KERN_DEBUG " epic_rx() status was %8.8x.\n", status); @@ -1238,7 +1244,8 @@ static int epic_rx(struct net_device *dev, int budget) skb->data, ep->rx_buf_sz, PCI_DMA_FROMDEVICE); work_done++; } - ep->rx_ring[entry].rxstatus = cpu_to_le32(DescOwn); + /* AV: shouldn't we add a barrier here? */ + ep->rx_ring[entry].rxstatus = DescOwn; } return work_done; } diff --git a/drivers/net/fec_mpc52xx_phy.c b/drivers/net/fec_mpc52xx_phy.c index 1837584c4504..6a3ac4ea97e9 100644 --- a/drivers/net/fec_mpc52xx_phy.c +++ b/drivers/net/fec_mpc52xx_phy.c @@ -109,7 +109,8 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of, const struct of_device_i int irq = irq_of_parse_and_map(child, 0); if (irq != NO_IRQ) { const u32 *id = of_get_property(child, "reg", NULL); - bus->irq[*id] = irq; + if (id) + bus->irq[*id] = irq; } } diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 801b4d9cd972..6f7e3fde9e7c 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -184,6 +184,7 @@ #define DEV_HAS_PAUSEFRAME_TX_V1 0x08000 /* device supports tx pause frames version 1 */ #define DEV_HAS_PAUSEFRAME_TX_V2 0x10000 /* device supports tx pause frames version 2 */ #define DEV_HAS_PAUSEFRAME_TX_V3 0x20000 /* device supports tx pause frames version 3 */ +#define DEV_NEED_TX_LIMIT 0x40000 /* device needs to limit tx */ enum { NvRegIrqStatus = 0x000, @@ -635,6 +636,8 @@ union ring_type { #define NV_RESTART_TX 0x1 #define NV_RESTART_RX 0x2 +#define NV_TX_LIMIT_COUNT 16 + /* statistics */ struct nv_ethtool_str { char name[ETH_GSTRING_LEN]; @@ -743,6 +746,8 @@ struct nv_skb_map { struct sk_buff *skb; dma_addr_t dma; unsigned int dma_len; + struct ring_desc_ex *first_tx_desc; + struct nv_skb_map *next_tx_ctx; }; /* @@ -827,6 +832,10 @@ struct fe_priv { union ring_type tx_ring; u32 tx_flags; int tx_ring_size; + int tx_limit; + u32 tx_pkts_in_progress; + struct nv_skb_map *tx_change_owner; + struct nv_skb_map *tx_end_flip; int tx_stop; /* vlan fields */ @@ -1707,6 +1716,9 @@ static void nv_init_tx(struct net_device *dev) np->last_tx.ex = &np->tx_ring.ex[np->tx_ring_size-1]; np->get_tx_ctx = np->put_tx_ctx = np->first_tx_ctx = np->tx_skb; np->last_tx_ctx = &np->tx_skb[np->tx_ring_size-1]; + np->tx_pkts_in_progress = 0; + np->tx_change_owner = NULL; + np->tx_end_flip = NULL; for (i = 0; i < np->tx_ring_size; i++) { if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { @@ -1720,6 +1732,9 @@ static void nv_init_tx(struct net_device *dev) } np->tx_skb[i].skb = NULL; np->tx_skb[i].dma = 0; + np->tx_skb[i].dma_len = 0; + np->tx_skb[i].first_tx_desc = NULL; + np->tx_skb[i].next_tx_ctx = NULL; } } @@ -1771,7 +1786,14 @@ static void nv_drain_tx(struct net_device *dev) } if (nv_release_txskb(dev, &np->tx_skb[i])) dev->stats.tx_dropped++; + np->tx_skb[i].dma = 0; + np->tx_skb[i].dma_len = 0; + np->tx_skb[i].first_tx_desc = NULL; + np->tx_skb[i].next_tx_ctx = NULL; } + np->tx_pkts_in_progress = 0; + np->tx_change_owner = NULL; + np->tx_end_flip = NULL; } static void nv_drain_rx(struct net_device *dev) @@ -1948,6 +1970,7 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev) struct ring_desc_ex* start_tx; struct ring_desc_ex* prev_tx; struct nv_skb_map* prev_tx_ctx; + struct nv_skb_map* start_tx_ctx; /* add fragments to entries count */ for (i = 0; i < fragments; i++) { @@ -1965,6 +1988,7 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev) } start_tx = put_tx = np->put_tx.ex; + start_tx_ctx = np->put_tx_ctx; /* setup the header buffer */ do { @@ -2037,6 +2061,26 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev) spin_lock_irq(&np->lock); + if (np->tx_limit) { + /* Limit the number of outstanding tx. Setup all fragments, but + * do not set the VALID bit on the first descriptor. Save a pointer + * to that descriptor and also for next skb_map element. + */ + + if (np->tx_pkts_in_progress == NV_TX_LIMIT_COUNT) { + if (!np->tx_change_owner) + np->tx_change_owner = start_tx_ctx; + + /* remove VALID bit */ + tx_flags &= ~NV_TX2_VALID; + start_tx_ctx->first_tx_desc = start_tx; + start_tx_ctx->next_tx_ctx = np->put_tx_ctx; + np->tx_end_flip = np->put_tx_ctx; + } else { + np->tx_pkts_in_progress++; + } + } + /* set tx flags */ start_tx->flaglen |= cpu_to_le32(tx_flags | tx_flags_extra); np->put_tx.ex = put_tx; @@ -2060,6 +2104,25 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } +static inline void nv_tx_flip_ownership(struct net_device *dev) +{ + struct fe_priv *np = netdev_priv(dev); + + np->tx_pkts_in_progress--; + if (np->tx_change_owner) { + __le32 flaglen = le32_to_cpu(np->tx_change_owner->first_tx_desc->flaglen); + flaglen |= NV_TX2_VALID; + np->tx_change_owner->first_tx_desc->flaglen = cpu_to_le32(flaglen); + np->tx_pkts_in_progress++; + + np->tx_change_owner = np->tx_change_owner->next_tx_ctx; + if (np->tx_change_owner == np->tx_end_flip) + np->tx_change_owner = NULL; + + writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); + } +} + /* * nv_tx_done: check for completed packets, release the skbs. * @@ -2147,6 +2210,10 @@ static void nv_tx_done_optimized(struct net_device *dev, int limit) dev->stats.tx_packets++; dev_kfree_skb_any(np->get_tx_ctx->skb); np->get_tx_ctx->skb = NULL; + + if (np->tx_limit) { + nv_tx_flip_ownership(dev); + } } if (unlikely(np->get_tx.ex++ == np->last_tx.ex)) np->get_tx.ex = np->first_tx.ex; @@ -5333,6 +5400,21 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i np->need_linktimer = 0; } + /* Limit the number of tx's outstanding for hw bug */ + if (id->driver_data & DEV_NEED_TX_LIMIT) { + np->tx_limit = 1; + if ((id->device == PCI_DEVICE_ID_NVIDIA_NVENET_32 || + id->device == PCI_DEVICE_ID_NVIDIA_NVENET_33 || + id->device == PCI_DEVICE_ID_NVIDIA_NVENET_34 || + id->device == PCI_DEVICE_ID_NVIDIA_NVENET_35 || + id->device == PCI_DEVICE_ID_NVIDIA_NVENET_36 || + id->device == PCI_DEVICE_ID_NVIDIA_NVENET_37 || + id->device == PCI_DEVICE_ID_NVIDIA_NVENET_38 || + id->device == PCI_DEVICE_ID_NVIDIA_NVENET_39) && + pci_dev->revision >= 0xA2) + np->tx_limit = 0; + } + /* clear phy state and temporarily halt phy interrupts */ writel(0, base + NvRegMIIMask); phystate = readl(base + NvRegAdapterControl); @@ -5563,19 +5645,19 @@ static struct pci_device_id pci_tbl[] = { }, { /* CK804 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_8), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1|DEV_NEED_TX_LIMIT, }, { /* CK804 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_9), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1|DEV_NEED_TX_LIMIT, }, { /* MCP04 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_10), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1|DEV_NEED_TX_LIMIT, }, { /* MCP04 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_11), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1|DEV_NEED_TX_LIMIT, }, { /* MCP51 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_12), @@ -5587,11 +5669,11 @@ static struct pci_device_id pci_tbl[] = { }, { /* MCP55 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_NEED_TX_LIMIT, }, { /* MCP55 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_NEED_TX_LIMIT, }, { /* MCP61 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_16), @@ -5611,19 +5693,19 @@ static struct pci_device_id pci_tbl[] = { }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_20), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_NEED_TX_LIMIT|DEV_NEED_TX_LIMIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_21), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_NEED_TX_LIMIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_22), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_NEED_TX_LIMIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_23), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_NEED_TX_LIMIT, }, { /* MCP67 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_24), @@ -5659,35 +5741,35 @@ static struct pci_device_id pci_tbl[] = { }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_32), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V2|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V2|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT, }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_33), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V2|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V2|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT, }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_34), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V2|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V2|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT, }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_35), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V2|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V2|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_36), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_37), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_38), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_39), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT, }, {0,}, }; diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c index e6c69f77259b..0789802d59ed 100644 --- a/drivers/net/ibm_newemac/core.c +++ b/drivers/net/ibm_newemac/core.c @@ -143,6 +143,10 @@ static inline void emac_report_timeout_error(struct emac_instance *dev, #define STOP_TIMEOUT_1000 13 #define STOP_TIMEOUT_1000_JUMBO 73 +static unsigned char default_mcast_addr[] = { + 0x01, 0x80, 0xC2, 0x00, 0x00, 0x01 +}; + /* Please, keep in sync with struct ibm_emac_stats/ibm_emac_error_stats */ static const char emac_stats_keys[EMAC_ETHTOOL_STATS_COUNT][ETH_GSTRING_LEN] = { "rx_packets", "rx_bytes", "tx_packets", "tx_bytes", "rx_packets_csum", @@ -618,6 +622,9 @@ static int emac_configure(struct emac_instance *dev) if (emac_phy_gpcs(dev->phy.mode)) emac_mii_reset_phy(&dev->phy); + /* Required for Pause packet support in EMAC */ + dev_mc_add(ndev, default_mcast_addr, sizeof(default_mcast_addr), 1); + return 0; } diff --git a/drivers/net/ibm_newemac/tah.c b/drivers/net/ibm_newemac/tah.c index 96417adec326..b023d10d7e1c 100644 --- a/drivers/net/ibm_newemac/tah.c +++ b/drivers/net/ibm_newemac/tah.c @@ -155,6 +155,10 @@ static int __devexit tah_remove(struct of_device *ofdev) static struct of_device_id tah_match[] = { { + .compatible = "ibm,tah", + }, + /* For backward compat with old DT */ + { .type = "tah", }, {}, diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 15949d3df17e..af233b591534 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -35,6 +35,7 @@ #include <linux/moduleparam.h> #include <net/pkt_sched.h> #include <net/net_namespace.h> +#include <linux/lockdep.h> #define TX_TIMEOUT (2*HZ) @@ -227,6 +228,16 @@ static struct rtnl_link_ops ifb_link_ops __read_mostly = { module_param(numifbs, int, 0); MODULE_PARM_DESC(numifbs, "Number of ifb devices"); +/* + * dev_ifb->queue_lock is usually taken after dev->ingress_lock, + * reversely to e.g. qdisc_lock_tree(). It should be safe until + * ifb doesn't take dev->queue_lock with dev_ifb->ingress_lock. + * But lockdep should know that ifb has different locks from dev. + */ +static struct lock_class_key ifb_queue_lock_key; +static struct lock_class_key ifb_ingress_lock_key; + + static int __init ifb_init_one(int index) { struct net_device *dev_ifb; @@ -246,6 +257,10 @@ static int __init ifb_init_one(int index) err = register_netdevice(dev_ifb); if (err < 0) goto err; + + lockdep_set_class(&dev_ifb->queue_lock, &ifb_queue_lock_key); + lockdep_set_class(&dev_ifb->ingress_lock, &ifb_ingress_lock_key); + return 0; err: diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h index 6604d96bd567..76ea846663db 100644 --- a/drivers/net/igb/e1000_82575.h +++ b/drivers/net/igb/e1000_82575.h @@ -61,28 +61,28 @@ /* Receive Descriptor - Advanced */ union e1000_adv_rx_desc { struct { - u64 pkt_addr; /* Packet buffer address */ - u64 hdr_addr; /* Header buffer address */ + __le64 pkt_addr; /* Packet buffer address */ + __le64 hdr_addr; /* Header buffer address */ } read; struct { struct { struct { - u16 pkt_info; /* RSS type, Packet type */ - u16 hdr_info; /* Split Header, - * header buffer length */ + __le16 pkt_info; /* RSS type, Packet type */ + __le16 hdr_info; /* Split Header, + * header buffer length */ } lo_dword; union { - u32 rss; /* RSS Hash */ + __le32 rss; /* RSS Hash */ struct { - u16 ip_id; /* IP id */ - u16 csum; /* Packet Checksum */ + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ } csum_ip; } hi_dword; } lower; struct { - u32 status_error; /* ext status/error */ - u16 length; /* Packet length */ - u16 vlan; /* VLAN tag */ + __le32 status_error; /* ext status/error */ + __le16 length; /* Packet length */ + __le16 vlan; /* VLAN tag */ } upper; } wb; /* writeback */ }; @@ -97,14 +97,14 @@ union e1000_adv_rx_desc { /* Transmit Descriptor - Advanced */ union e1000_adv_tx_desc { struct { - u64 buffer_addr; /* Address of descriptor's data buf */ - u32 cmd_type_len; - u32 olinfo_status; + __le64 buffer_addr; /* Address of descriptor's data buf */ + __le32 cmd_type_len; + __le32 olinfo_status; } read; struct { - u64 rsvd; /* Reserved */ - u32 nxtseq_seed; - u32 status; + __le64 rsvd; /* Reserved */ + __le32 nxtseq_seed; + __le32 status; } wb; }; @@ -119,10 +119,10 @@ union e1000_adv_tx_desc { /* Context descriptors */ struct e1000_adv_tx_context_desc { - u32 vlan_macip_lens; - u32 seqnum_seed; - u32 type_tucmd_mlhl; - u32 mss_l4len_idx; + __le32 vlan_macip_lens; + __le32 seqnum_seed; + __le32 type_tucmd_mlhl; + __le32 mss_l4len_idx; }; #define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */ diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h index 161fb68764af..7b2c70a3b8cc 100644 --- a/drivers/net/igb/e1000_hw.h +++ b/drivers/net/igb/e1000_hw.h @@ -143,35 +143,35 @@ enum e1000_fc_type { /* Receive Descriptor */ struct e1000_rx_desc { - u64 buffer_addr; /* Address of the descriptor's data buffer */ - u16 length; /* Length of data DMAed into data buffer */ - u16 csum; /* Packet checksum */ + __le64 buffer_addr; /* Address of the descriptor's data buffer */ + __le16 length; /* Length of data DMAed into data buffer */ + __le16 csum; /* Packet checksum */ u8 status; /* Descriptor status */ u8 errors; /* Descriptor Errors */ - u16 special; + __le16 special; }; /* Receive Descriptor - Extended */ union e1000_rx_desc_extended { struct { - u64 buffer_addr; - u64 reserved; + __le64 buffer_addr; + __le64 reserved; } read; struct { struct { - u32 mrq; /* Multiple Rx Queues */ + __le32 mrq; /* Multiple Rx Queues */ union { - u32 rss; /* RSS Hash */ + __le32 rss; /* RSS Hash */ struct { - u16 ip_id; /* IP id */ - u16 csum; /* Packet Checksum */ + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ } csum_ip; } hi_dword; } lower; struct { - u32 status_error; /* ext status/error */ - u16 length; - u16 vlan; /* VLAN tag */ + __le32 status_error; /* ext status/error */ + __le16 length; + __le16 vlan; /* VLAN tag */ } upper; } wb; /* writeback */ }; @@ -181,49 +181,49 @@ union e1000_rx_desc_extended { union e1000_rx_desc_packet_split { struct { /* one buffer for protocol header(s), three data buffers */ - u64 buffer_addr[MAX_PS_BUFFERS]; + __le64 buffer_addr[MAX_PS_BUFFERS]; } read; struct { struct { - u32 mrq; /* Multiple Rx Queues */ + __le32 mrq; /* Multiple Rx Queues */ union { - u32 rss; /* RSS Hash */ + __le32 rss; /* RSS Hash */ struct { - u16 ip_id; /* IP id */ - u16 csum; /* Packet Checksum */ + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ } csum_ip; } hi_dword; } lower; struct { - u32 status_error; /* ext status/error */ - u16 length0; /* length of buffer 0 */ - u16 vlan; /* VLAN tag */ + __le32 status_error; /* ext status/error */ + __le16 length0; /* length of buffer 0 */ + __le16 vlan; /* VLAN tag */ } middle; struct { - u16 header_status; - u16 length[3]; /* length of buffers 1-3 */ + __le16 header_status; + __le16 length[3]; /* length of buffers 1-3 */ } upper; - u64 reserved; + __le64 reserved; } wb; /* writeback */ }; /* Transmit Descriptor */ struct e1000_tx_desc { - u64 buffer_addr; /* Address of the descriptor's data buffer */ + __le64 buffer_addr; /* Address of the descriptor's data buffer */ union { - u32 data; + __le32 data; struct { - u16 length; /* Data buffer length */ + __le16 length; /* Data buffer length */ u8 cso; /* Checksum offset */ u8 cmd; /* Descriptor control */ } flags; } lower; union { - u32 data; + __le32 data; struct { u8 status; /* Descriptor status */ u8 css; /* Checksum start */ - u16 special; + __le16 special; } fields; } upper; }; @@ -231,49 +231,49 @@ struct e1000_tx_desc { /* Offload Context Descriptor */ struct e1000_context_desc { union { - u32 ip_config; + __le32 ip_config; struct { u8 ipcss; /* IP checksum start */ u8 ipcso; /* IP checksum offset */ - u16 ipcse; /* IP checksum end */ + __le16 ipcse; /* IP checksum end */ } ip_fields; } lower_setup; union { - u32 tcp_config; + __le32 tcp_config; struct { u8 tucss; /* TCP checksum start */ u8 tucso; /* TCP checksum offset */ - u16 tucse; /* TCP checksum end */ + __le16 tucse; /* TCP checksum end */ } tcp_fields; } upper_setup; - u32 cmd_and_length; + __le32 cmd_and_length; union { - u32 data; + __le32 data; struct { u8 status; /* Descriptor status */ u8 hdr_len; /* Header length */ - u16 mss; /* Maximum segment size */ + __le16 mss; /* Maximum segment size */ } fields; } tcp_seg_setup; }; /* Offload data descriptor */ struct e1000_data_desc { - u64 buffer_addr; /* Address of the descriptor's buffer address */ + __le64 buffer_addr; /* Address of the descriptor's buffer address */ union { - u32 data; + __le32 data; struct { - u16 length; /* Data buffer length */ + __le16 length; /* Data buffer length */ u8 typ_len_ext; u8 cmd; } flags; } lower; union { - u32 data; + __le32 data; struct { u8 status; /* Descriptor status */ u8 popts; /* Packet Options */ - u16 special; + __le16 special; } fields; } upper; }; diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 6a1f23092099..aaee02e9e3f0 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -31,7 +31,6 @@ #include <linux/vmalloc.h> #include <linux/pagemap.h> #include <linux/netdevice.h> -#include <linux/tcp.h> #include <linux/ipv6.h> #include <net/checksum.h> #include <net/ip6_checksum.h> @@ -2484,10 +2483,24 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter, tu_cmd |= (E1000_TXD_CMD_DEXT | E1000_ADVTXD_DTYP_CTXT); if (skb->ip_summed == CHECKSUM_PARTIAL) { - if (skb->protocol == htons(ETH_P_IP)) + switch (skb->protocol) { + case __constant_htons(ETH_P_IP): tu_cmd |= E1000_ADVTXD_TUCMD_IPV4; - if (skb->sk && (skb->sk->sk_protocol == IPPROTO_TCP)) - tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP; + if (ip_hdr(skb)->protocol == IPPROTO_TCP) + tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP; + break; + case __constant_htons(ETH_P_IPV6): + /* XXX what about other V6 headers?? */ + if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) + tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP; + break; + default: + if (unlikely(net_ratelimit())) + dev_warn(&adapter->pdev->dev, + "partial checksum but proto=%x!\n", + skb->protocol); + break; + } } context_desc->type_tucmd_mlhl = cpu_to_le32(tu_cmd); @@ -3241,6 +3254,13 @@ quit_polling: return 1; } + +static inline u32 get_head(struct igb_ring *tx_ring) +{ + void *end = (struct e1000_tx_desc *)tx_ring->desc + tx_ring->count; + return le32_to_cpu(*(volatile __le32 *)end); +} + /** * igb_clean_tx_irq - Reclaim resources after transmit completes * @adapter: board private structure @@ -3262,9 +3282,7 @@ static bool igb_clean_tx_irq(struct igb_adapter *adapter, unsigned int total_bytes = 0, total_packets = 0; rmb(); - head = *(volatile u32 *)((struct e1000_tx_desc *)tx_ring->desc - + tx_ring->count); - head = le32_to_cpu(head); + head = get_head(tx_ring); i = tx_ring->next_to_clean; while (1) { while (i != head) { @@ -3299,9 +3317,7 @@ static bool igb_clean_tx_irq(struct igb_adapter *adapter, } oldhead = head; rmb(); - head = *(volatile u32 *)((struct e1000_tx_desc *)tx_ring->desc - + tx_ring->count); - head = le32_to_cpu(head); + head = get_head(tx_ring); if (head == oldhead) goto done_cleaning; } /* while (1) */ @@ -3375,7 +3391,7 @@ done_cleaning: * @vlan: descriptor vlan field as written by hardware (no le/be conversion) * @skb: pointer to sk_buff to be indicated to stack **/ -static void igb_receive_skb(struct igb_adapter *adapter, u8 status, u16 vlan, +static void igb_receive_skb(struct igb_adapter *adapter, u8 status, __le16 vlan, struct sk_buff *skb) { if (adapter->vlgrp && (status & E1000_RXD_STAT_VP)) @@ -3439,8 +3455,8 @@ static bool igb_clean_rx_irq_adv(struct igb_adapter *adapter, * that case, it fills the header buffer and spills the rest * into the page. */ - hlen = le16_to_cpu((rx_desc->wb.lower.lo_dword.hdr_info & - E1000_RXDADV_HDRBUFLEN_MASK) >> E1000_RXDADV_HDRBUFLEN_SHIFT); + hlen = (le16_to_cpu(rx_desc->wb.lower.lo_dword.hdr_info) & + E1000_RXDADV_HDRBUFLEN_MASK) >> E1000_RXDADV_HDRBUFLEN_SHIFT; if (hlen > adapter->rx_ps_hdr_size) hlen = adapter->rx_ps_hdr_size; diff --git a/drivers/net/ioc3-eth.c b/drivers/net/ioc3-eth.c index 373f72cdbe8e..1f25263dc7eb 100644 --- a/drivers/net/ioc3-eth.c +++ b/drivers/net/ioc3-eth.c @@ -1221,7 +1221,8 @@ static void __devinit ioc3_serial_probe(struct pci_dev *pdev, struct ioc3 *ioc3) } #endif -static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +static int __devinit ioc3_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) { unsigned int sw_physid1, sw_physid2; struct net_device *dev = NULL; diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c index 5e5d9b527ed1..9b358f61ed7f 100644 --- a/drivers/net/ipg.c +++ b/drivers/net/ipg.c @@ -472,7 +472,6 @@ static int ipg_config_autoneg(struct net_device *dev) unsigned int txflowcontrol; unsigned int rxflowcontrol; unsigned int fullduplex; - unsigned int gig; u32 mac_ctrl_val; u32 asicctrl; u8 phyctrl; @@ -489,7 +488,6 @@ static int ipg_config_autoneg(struct net_device *dev) fullduplex = 0; txflowcontrol = 0; rxflowcontrol = 0; - gig = 0; /* To accomodate a problem in 10Mbps operation, * set a global flag if PHY running in 10Mbps mode. @@ -511,7 +509,6 @@ static int ipg_config_autoneg(struct net_device *dev) break; case IPG_PC_LINK_SPEED_1000MBPS: printk("1000Mbps.\n"); - gig = 1; break; default: printk("undefined!\n"); @@ -1900,8 +1897,13 @@ static int ipg_nic_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Specify the TFC field within the TFD. */ txfd->tfc |= cpu_to_le64(IPG_TFC_WORDALIGNDISABLED | - (IPG_TFC_FRAMEID & cpu_to_le64(sp->tx_current)) | + (IPG_TFC_FRAMEID & sp->tx_current) | (IPG_TFC_FRAGCOUNT & (1 << 24))); + /* + * 16--17 (WordAlign) <- 3 (disable), + * 0--15 (FrameId) <- sp->tx_current, + * 24--27 (FragCount) <- 1 + */ /* Request TxComplete interrupts at an interval defined * by the constant IPG_FRAMESBETWEENTXCOMPLETES. diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index 269e6f805f47..6738b4d097fe 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -2088,14 +2088,12 @@ ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter) struct ixgb_buffer *buffer_info; struct sk_buff *skb; unsigned int i; - int num_group_tail_writes; long cleancount; i = rx_ring->next_to_use; buffer_info = &rx_ring->buffer_info[i]; cleancount = IXGB_DESC_UNUSED(rx_ring); - num_group_tail_writes = IXGB_RX_BUFFER_WRITE; /* leave three descriptors unused */ while(--cleancount > 2) { diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 23d0a4afe0e1..c2095ce531c9 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -2133,7 +2133,7 @@ static void ixgbe_watchdog(unsigned long data) (link_speed == IXGBE_LINK_SPEED_10GB_FULL ? "10 Gbps" : (link_speed == IXGBE_LINK_SPEED_1GB_FULL ? - "1 Gpbs" : "unknown speed")), + "1 Gbps" : "unknown speed")), ((FLOW_RX && FLOW_TX) ? "RX/TX" : (FLOW_RX ? "RX" : (FLOW_TX ? "TX" : "None")))); diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index b528ce77c406..771139e283af 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -2104,6 +2104,7 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR( "Rabeeh Khoury, Assaf Hoffman, Matthew Dharm, Manish Lachwani" " and Dale Farnsworth"); MODULE_DESCRIPTION("Ethernet driver for Marvell MV643XX"); +MODULE_ALIAS("platform:mv643xx_eth"); /* * The second part is the low level driver of the gigE ethernet ports. diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c index b569c90da4ba..de0de744a8fa 100644 --- a/drivers/net/ne2k-pci.c +++ b/drivers/net/ne2k-pci.c @@ -535,9 +535,9 @@ static void ne2k_pci_block_input(struct net_device *dev, int count, if (count & 3) { buf += count & ~3; if (count & 2) { - u16 *b = (u16 *)buf; + __le16 *b = (__le16 *)buf; - *b++ = le16_to_cpu(inw(NE_BASE + NE_DATAPORT)); + *b++ = cpu_to_le16(inw(NE_BASE + NE_DATAPORT)); buf = (char *)b; } if (count & 1) @@ -600,9 +600,9 @@ static void ne2k_pci_block_output(struct net_device *dev, int count, if (count & 3) { buf += count & ~3; if (count & 2) { - u16 *b = (u16 *)buf; + __le16 *b = (__le16 *)buf; - outw(cpu_to_le16(*b++), NE_BASE + NE_DATAPORT); + outw(le16_to_cpu(*b++), NE_BASE + NE_DATAPORT); buf = (char *)b; } } diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 2bc5eaae141f..7f20a03623a0 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -85,7 +85,7 @@ (sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count) #define RCV_BUFFSIZE \ (sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count) -#define find_diff_among(a,b,range) ((a)<=(b)?((b)-(a)):((b)+(range)-(a))) +#define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a))) #define NETXEN_NETDEV_STATUS 0x1 #define NETXEN_RCV_PRODUCER_OFFSET 0 @@ -204,7 +204,7 @@ enum { ? RCV_DESC_LRO : \ (RCV_DESC_NORMAL))) -#define MAX_CMD_DESCRIPTORS 1024 +#define MAX_CMD_DESCRIPTORS 4096 #define MAX_RCV_DESCRIPTORS 16384 #define MAX_CMD_DESCRIPTORS_HOST (MAX_CMD_DESCRIPTORS / 4) #define MAX_RCV_DESCRIPTORS_1G (MAX_RCV_DESCRIPTORS / 4) @@ -818,15 +818,8 @@ struct netxen_adapter_stats { u64 badskblen; u64 nocmddescriptor; u64 polled; - u64 uphappy; - u64 updropped; - u64 uplcong; - u64 uphcong; - u64 upmcong; - u64 updunno; - u64 skbfreed; + u64 rxdropped; u64 txdropped; - u64 txnullskb; u64 csummed; u64 no_rcv; u64 rxbytes; @@ -842,7 +835,6 @@ struct netxen_rcv_desc_ctx { u32 flags; u32 producer; u32 rcv_pending; /* Num of bufs posted in phantom */ - u32 rcv_free; /* Num of bufs in free list */ dma_addr_t phys_addr; struct pci_dev *phys_pdev; struct rcv_desc *desc_head; /* address of rx ring in Phantom */ @@ -889,8 +881,6 @@ struct netxen_adapter { int mtu; int portnum; - spinlock_t tx_lock; - spinlock_t lock; struct work_struct watchdog_task; struct timer_list watchdog_timer; struct work_struct tx_timeout_task; @@ -899,16 +889,12 @@ struct netxen_adapter { u32 cmd_producer; __le32 *cmd_consumer; - u32 last_cmd_consumer; + u32 max_tx_desc_count; u32 max_rx_desc_count; u32 max_jumbo_rx_desc_count; u32 max_lro_rx_desc_count; - /* Num of instances active on cmd buffer ring */ - u32 proc_cmd_buf_counter; - - u32 num_threads, total_threads; /*Use to keep track of xmit threads */ u32 flags; u32 irq; @@ -942,6 +928,7 @@ struct netxen_adapter { struct pci_dev *ctx_desc_pdev; dma_addr_t ctx_desc_phys_addr; int intr_scheme; + int msi_mode; int (*enable_phy_interrupts) (struct netxen_adapter *); int (*disable_phy_interrupts) (struct netxen_adapter *); void (*handle_phy_intr) (struct netxen_adapter *); @@ -1075,12 +1062,10 @@ void netxen_tso_check(struct netxen_adapter *adapter, struct cmd_desc_type0 *desc, struct sk_buff *skb); int netxen_nic_hw_resources(struct netxen_adapter *adapter); void netxen_nic_clear_stats(struct netxen_adapter *adapter); -int netxen_nic_rx_has_work(struct netxen_adapter *adapter); -int netxen_nic_tx_has_work(struct netxen_adapter *adapter); void netxen_watchdog_task(struct work_struct *work); void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid); -int netxen_process_cmd_ring(unsigned long data); +int netxen_process_cmd_ring(struct netxen_adapter *adapter); u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max); void netxen_nic_set_multi(struct net_device *netdev); int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu); diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index 7a876f4b8db2..6e98d830eefb 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -64,15 +64,7 @@ static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = { {"bad_skb_len", NETXEN_NIC_STAT(stats.badskblen)}, {"no_cmd_desc", NETXEN_NIC_STAT(stats.nocmddescriptor)}, {"polled", NETXEN_NIC_STAT(stats.polled)}, - {"uphappy", NETXEN_NIC_STAT(stats.uphappy)}, - {"updropped", NETXEN_NIC_STAT(stats.updropped)}, - {"uplcong", NETXEN_NIC_STAT(stats.uplcong)}, - {"uphcong", NETXEN_NIC_STAT(stats.uphcong)}, - {"upmcong", NETXEN_NIC_STAT(stats.upmcong)}, - {"updunno", NETXEN_NIC_STAT(stats.updunno)}, - {"skb_freed", NETXEN_NIC_STAT(stats.skbfreed)}, {"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)}, - {"tx_null_skb", NETXEN_NIC_STAT(stats.txnullskb)}, {"csummed", NETXEN_NIC_STAT(stats.csummed)}, {"no_rcv", NETXEN_NIC_STAT(stats.no_rcv)}, {"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)}, diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h index d72f8f8fcb50..160f605e58db 100644 --- a/drivers/net/netxen/netxen_nic_hdr.h +++ b/drivers/net/netxen/netxen_nic_hdr.h @@ -456,6 +456,12 @@ enum { #define ISR_INT_MASK_SLOW (NETXEN_PCIX_PS_REG(PCIX_INT_MASK)) #define ISR_INT_TARGET_STATUS (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS)) #define ISR_INT_TARGET_MASK (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK)) +#define ISR_INT_TARGET_STATUS_F1 (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F1)) +#define ISR_INT_TARGET_MASK_F1 (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F1)) +#define ISR_INT_TARGET_STATUS_F2 (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F2)) +#define ISR_INT_TARGET_MASK_F2 (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F2)) +#define ISR_INT_TARGET_STATUS_F3 (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F3)) +#define ISR_INT_TARGET_MASK_F3 (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F3)) #define NETXEN_PCI_MAPSIZE 128 #define NETXEN_PCI_DDR_NET (0x00000000UL) @@ -662,6 +668,12 @@ enum { #define PCIX_TARGET_STATUS (0x10118) #define PCIX_TARGET_MASK (0x10128) +#define PCIX_TARGET_STATUS_F1 (0x10160) +#define PCIX_TARGET_MASK_F1 (0x10170) +#define PCIX_TARGET_STATUS_F2 (0x10164) +#define PCIX_TARGET_MASK_F2 (0x10174) +#define PCIX_TARGET_STATUS_F3 (0x10168) +#define PCIX_TARGET_MASK_F3 (0x10178) #define PCIX_MSI_F0 (0x13000) #define PCIX_MSI_F1 (0x13004) diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 01355701bf8e..05748ca6f216 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -398,6 +398,8 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_FW)); printk(KERN_NOTICE "%s: FW capabilities:0x%x\n", netxen_nic_driver_name, adapter->intr_scheme); + adapter->msi_mode = readl( + NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_FW)); DPRINTK(INFO, "Receive Peg ready too. starting stuff\n"); addr = netxen_alloc(adapter->ahw.pdev, diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 9e38bcb3fba9..45fa33e0cb90 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -145,6 +145,8 @@ int netxen_init_firmware(struct netxen_adapter *adapter) /* Window 1 call */ writel(INTR_SCHEME_PERPORT, NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_HOST)); + writel(MSI_MODE_MULTIFUNC, + NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_HOST)); writel(MPORT_MULTI_FUNCTION_MODE, NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE)); writel(PHAN_INITIALIZE_ACK, @@ -183,7 +185,6 @@ void netxen_initialize_adapter_sw(struct netxen_adapter *adapter) for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { struct netxen_rx_buffer *rx_buf; rcv_desc = &adapter->recv_ctx[ctxid].rcv_desc[ring]; - rcv_desc->rcv_free = rcv_desc->max_rx_desc_count; rcv_desc->begin_alloc = 0; rx_buf = rcv_desc->rx_buf_arr; num_rx_bufs = rcv_desc->max_rx_desc_count; @@ -974,28 +975,6 @@ int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val) return 0; } -int netxen_nic_rx_has_work(struct netxen_adapter *adapter) -{ - int ctx; - - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - struct netxen_recv_context *recv_ctx = - &(adapter->recv_ctx[ctx]); - u32 consumer; - struct status_desc *desc_head; - struct status_desc *desc; - - consumer = recv_ctx->status_rx_consumer; - desc_head = recv_ctx->rcv_status_desc_head; - desc = &desc_head[consumer]; - - if (netxen_get_sts_owner(desc) & STATUS_OWNER_HOST) - return 1; - } - - return 0; -} - static int netxen_nic_check_temp(struct netxen_adapter *adapter) { struct net_device *netdev = adapter->netdev; @@ -1038,7 +1017,6 @@ static int netxen_nic_check_temp(struct netxen_adapter *adapter) void netxen_watchdog_task(struct work_struct *work) { - struct net_device *netdev; struct netxen_adapter *adapter = container_of(work, struct netxen_adapter, watchdog_task); @@ -1048,20 +1026,6 @@ void netxen_watchdog_task(struct work_struct *work) if (adapter->handle_phy_intr) adapter->handle_phy_intr(adapter); - netdev = adapter->netdev; - if ((netif_running(netdev)) && !netif_carrier_ok(netdev) && - netxen_nic_link_ok(adapter) ) { - printk(KERN_INFO "%s %s (port %d), Link is up\n", - netxen_nic_driver_name, netdev->name, adapter->portnum); - netif_carrier_on(netdev); - netif_wake_queue(netdev); - } else if(!(netif_running(netdev)) && netif_carrier_ok(netdev)) { - printk(KERN_ERR "%s %s Link is Down\n", - netxen_nic_driver_name, netdev->name); - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ); } @@ -1125,7 +1089,7 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, skb = (struct sk_buff *)buffer->skb; if (likely(adapter->rx_csum && - netxen_get_sts_status(sts_data) == STATUS_CKSUM_OK)) { + netxen_get_sts_status(sts_data) == STATUS_CKSUM_OK)) { adapter->stats.csummed++; skb->ip_summed = CHECKSUM_UNNECESSARY; } else @@ -1142,40 +1106,8 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, skb->protocol = eth_type_trans(skb, netdev); ret = netif_receive_skb(skb); - - /* - * RH: Do we need these stats on a regular basis. Can we get it from - * Linux stats. - */ - switch (ret) { - case NET_RX_SUCCESS: - adapter->stats.uphappy++; - break; - - case NET_RX_CN_LOW: - adapter->stats.uplcong++; - break; - - case NET_RX_CN_MOD: - adapter->stats.upmcong++; - break; - - case NET_RX_CN_HIGH: - adapter->stats.uphcong++; - break; - - case NET_RX_DROP: - adapter->stats.updropped++; - break; - - default: - adapter->stats.updunno++; - break; - } - netdev->last_rx = jiffies; - rcv_desc->rcv_free++; rcv_desc->rcv_pending--; /* @@ -1200,13 +1132,6 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) u32 producer = 0; int count = 0, ring; - DPRINTK(INFO, "procesing receive\n"); - /* - * we assume in this case that there is only one port and that is - * port #1...changes need to be done in firmware to indicate port - * number as part of the descriptor. This way we will be able to get - * the netdev which is associated with that device. - */ while (count < max) { desc = &desc_head[consumer]; if (!(netxen_get_sts_owner(desc) & STATUS_OWNER_HOST)) { @@ -1219,11 +1144,8 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1); count++; } - if (count) { - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - netxen_post_rx_buffers_nodb(adapter, ctxid, ring); - } - } + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) + netxen_post_rx_buffers_nodb(adapter, ctxid, ring); /* update the consumer index in phantom */ if (count) { @@ -1233,108 +1155,60 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) /* Window = 1 */ writel(consumer, NETXEN_CRB_NORMALIZE(adapter, - recv_crb_registers[adapter->portnum]. + recv_crb_registers[adapter->portnum]. crb_rcv_status_consumer)); - wmb(); } return count; } /* Process Command status ring */ -int netxen_process_cmd_ring(unsigned long data) +int netxen_process_cmd_ring(struct netxen_adapter *adapter) { - u32 last_consumer; - u32 consumer; - struct netxen_adapter *adapter = (struct netxen_adapter *)data; - int count1 = 0; - int count2 = 0; + u32 last_consumer, consumer; + int count = 0, i; struct netxen_cmd_buffer *buffer; - struct pci_dev *pdev; + struct pci_dev *pdev = adapter->pdev; + struct net_device *netdev = adapter->netdev; struct netxen_skb_frag *frag; - u32 i; - int done; + int done = 0; - spin_lock(&adapter->tx_lock); last_consumer = adapter->last_cmd_consumer; - DPRINTK(INFO, "procesing xmit complete\n"); - /* we assume in this case that there is only one port and that is - * port #1...changes need to be done in firmware to indicate port - * number as part of the descriptor. This way we will be able to get - * the netdev which is associated with that device. - */ - consumer = le32_to_cpu(*(adapter->cmd_consumer)); - if (last_consumer == consumer) { /* Ring is empty */ - DPRINTK(INFO, "last_consumer %d == consumer %d\n", - last_consumer, consumer); - spin_unlock(&adapter->tx_lock); - return 1; - } - - adapter->proc_cmd_buf_counter++; - /* - * Not needed - does not seem to be used anywhere. - * adapter->cmd_consumer = consumer; - */ - spin_unlock(&adapter->tx_lock); - while ((last_consumer != consumer) && (count1 < MAX_STATUS_HANDLE)) { + while (last_consumer != consumer) { buffer = &adapter->cmd_buf_arr[last_consumer]; - pdev = adapter->pdev; if (buffer->skb) { frag = &buffer->frag_array[0]; pci_unmap_single(pdev, frag->dma, frag->length, PCI_DMA_TODEVICE); frag->dma = 0ULL; for (i = 1; i < buffer->frag_count; i++) { - DPRINTK(INFO, "getting fragment no %d\n", i); frag++; /* Get the next frag */ pci_unmap_page(pdev, frag->dma, frag->length, PCI_DMA_TODEVICE); frag->dma = 0ULL; } - adapter->stats.skbfreed++; + adapter->stats.xmitfinished++; dev_kfree_skb_any(buffer->skb); buffer->skb = NULL; - } else if (adapter->proc_cmd_buf_counter == 1) { - adapter->stats.txnullskb++; - } - if (unlikely(netif_queue_stopped(adapter->netdev) - && netif_carrier_ok(adapter->netdev)) - && ((jiffies - adapter->netdev->trans_start) > - adapter->netdev->watchdog_timeo)) { - SCHEDULE_WORK(&adapter->tx_timeout_task); } last_consumer = get_next_index(last_consumer, adapter->max_tx_desc_count); - count1++; + if (++count >= MAX_STATUS_HANDLE) + break; } - count2 = 0; - spin_lock(&adapter->tx_lock); - if ((--adapter->proc_cmd_buf_counter) == 0) { + if (count) { adapter->last_cmd_consumer = last_consumer; - while ((adapter->last_cmd_consumer != consumer) - && (count2 < MAX_STATUS_HANDLE)) { - buffer = - &adapter->cmd_buf_arr[adapter->last_cmd_consumer]; - count2++; - if (buffer->skb) - break; - else - adapter->last_cmd_consumer = - get_next_index(adapter->last_cmd_consumer, - adapter->max_tx_desc_count); - } - } - if (count1 || count2) { - if (netif_queue_stopped(adapter->netdev) - && (adapter->flags & NETXEN_NETDEV_STATUS)) { - netif_wake_queue(adapter->netdev); - adapter->flags &= ~NETXEN_NETDEV_STATUS; + smp_mb(); + if (netif_queue_stopped(netdev) && netif_running(netdev)) { + netif_tx_lock(netdev); + netif_wake_queue(netdev); + smp_mb(); + netif_tx_unlock(netdev); } } /* @@ -1350,16 +1224,9 @@ int netxen_process_cmd_ring(unsigned long data) * There is still a possible race condition and the host could miss an * interrupt. The card has to take care of this. */ - if (adapter->last_cmd_consumer == consumer && - (((adapter->cmd_producer + 1) % - adapter->max_tx_desc_count) == adapter->last_cmd_consumer)) { - consumer = le32_to_cpu(*(adapter->cmd_consumer)); - } - done = (adapter->last_cmd_consumer == consumer); + consumer = le32_to_cpu(*(adapter->cmd_consumer)); + done = (last_consumer == consumer); - spin_unlock(&adapter->tx_lock); - DPRINTK(INFO, "last consumer is %d in %s\n", last_consumer, - __FUNCTION__); return (done); } @@ -1433,8 +1300,6 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) rcv_desc->begin_alloc = index; rcv_desc->rcv_pending += count; rcv_desc->producer = producer; - if (rcv_desc->rcv_free >= 32) { - rcv_desc->rcv_free = 0; /* Window = 1 */ writel((producer - 1) & (rcv_desc->max_rx_desc_count - 1), @@ -1458,8 +1323,6 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) writel(msg, DB_NORMALIZE(adapter, NETXEN_RCV_PRODUCER_OFFSET)); - wmb(); - } } } @@ -1523,8 +1386,6 @@ static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, rcv_desc->begin_alloc = index; rcv_desc->rcv_pending += count; rcv_desc->producer = producer; - if (rcv_desc->rcv_free >= 32) { - rcv_desc->rcv_free = 0; /* Window = 1 */ writel((producer - 1) & (rcv_desc->max_rx_desc_count - 1), @@ -1534,21 +1395,9 @@ static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, rcv_desc_crb[ringid]. crb_rcv_producer_offset)); wmb(); - } } } -int netxen_nic_tx_has_work(struct netxen_adapter *adapter) -{ - if (find_diff_among(adapter->last_cmd_consumer, - adapter->cmd_producer, - adapter->max_tx_desc_count) > 0) - return 1; - - return 0; -} - - void netxen_nic_clear_stats(struct netxen_adapter *adapter) { memset(&adapter->stats, 0, sizeof(adapter->stats)); diff --git a/drivers/net/netxen/netxen_nic_isr.c b/drivers/net/netxen/netxen_nic_isr.c index 48a404aa66ce..c81313b717bd 100644 --- a/drivers/net/netxen/netxen_nic_isr.c +++ b/drivers/net/netxen/netxen_nic_isr.c @@ -59,7 +59,7 @@ struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) /* packet transmit problems */ stats->tx_errors = adapter->stats.nocmddescriptor; /* no space in linux buffers */ - stats->rx_dropped = adapter->stats.updropped; + stats->rx_dropped = adapter->stats.rxdropped; /* no space available in linux */ stats->tx_dropped = adapter->stats.txdropped; @@ -193,14 +193,14 @@ int netxen_nic_link_ok(struct netxen_adapter *adapter) void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter) { struct net_device *netdev = adapter->netdev; - u32 val, val1; + u32 val; /* WINDOW = 1 */ val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE)); val >>= (physical_port[adapter->portnum] * 8); - val1 = val & 0xff; + val &= 0xff; - if (adapter->ahw.xg_linkup == 1 && val1 != XG_LINK_UP) { + if (adapter->ahw.xg_linkup == 1 && val != XG_LINK_UP) { printk(KERN_INFO "%s: %s NIC Link is down\n", netxen_nic_driver_name, netdev->name); adapter->ahw.xg_linkup = 0; @@ -208,16 +208,7 @@ void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter) netif_carrier_off(netdev); netif_stop_queue(netdev); } - /* read twice to clear sticky bits */ - /* WINDOW = 0 */ - netxen_nic_read_w0(adapter, NETXEN_NIU_XG_STATUS, &val1); - netxen_nic_read_w0(adapter, NETXEN_NIU_XG_STATUS, &val1); - - if ((val & 0xffb) != 0xffb) { - printk(KERN_INFO "%s ISR: Sync/Align BAD: 0x%08x\n", - netxen_nic_driver_name, val1); - } - } else if (adapter->ahw.xg_linkup == 0 && val1 == XG_LINK_UP) { + } else if (adapter->ahw.xg_linkup == 0 && val == XG_LINK_UP) { printk(KERN_INFO "%s: %s NIC Link is up\n", netxen_nic_driver_name, netdev->name); adapter->ahw.xg_linkup = 1; diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 9737eae5ef11..a8fb439a4d03 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -63,12 +63,12 @@ static int netxen_nic_xmit_frame(struct sk_buff *, struct net_device *); static void netxen_tx_timeout(struct net_device *netdev); static void netxen_tx_timeout_task(struct work_struct *work); static void netxen_watchdog(unsigned long); -static int netxen_handle_int(struct netxen_adapter *, struct net_device *); static int netxen_nic_poll(struct napi_struct *napi, int budget); #ifdef CONFIG_NET_POLL_CONTROLLER static void netxen_nic_poll_controller(struct net_device *netdev); #endif static irqreturn_t netxen_intr(int irq, void *data); +static irqreturn_t netxen_msi_intr(int irq, void *data); int physical_port[] = {0, 1, 2, 3}; @@ -149,33 +149,30 @@ static void netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, #define ADAPTER_LIST_SIZE 12 +static uint32_t msi_tgt_status[4] = { + ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, + ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3 +}; + +static uint32_t sw_int_mask[4] = { + CRB_SW_INT_MASK_0, CRB_SW_INT_MASK_1, + CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3 +}; + static void netxen_nic_disable_int(struct netxen_adapter *adapter) { - uint32_t mask = 0x7ff; + u32 mask = 0x7ff; int retries = 32; + int port = adapter->portnum; + int pci_fn = adapter->ahw.pci_func; - DPRINTK(1, INFO, "Entered ISR Disable \n"); - - switch (adapter->portnum) { - case 0: - writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0)); - break; - case 1: - writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1)); - break; - case 2: - writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2)); - break; - case 3: - writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3)); - break; - } + if (adapter->msi_mode != MSI_MODE_MULTIFUNC) + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port])); if (adapter->intr_scheme != -1 && adapter->intr_scheme != INTR_SCHEME_PERPORT) writel(mask,PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); - /* Window = 0 or 1 */ if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { do { writel(0xffffffff, @@ -190,14 +187,18 @@ static void netxen_nic_disable_int(struct netxen_adapter *adapter) printk(KERN_NOTICE "%s: Failed to disable interrupt completely\n", netxen_nic_driver_name); } + } else { + if (adapter->msi_mode == MSI_MODE_MULTIFUNC) { + writel(0xffffffff, PCI_OFFSET_SECOND_RANGE(adapter, + msi_tgt_status[pci_fn])); + } } - - DPRINTK(1, INFO, "Done with Disable Int\n"); } static void netxen_nic_enable_int(struct netxen_adapter *adapter) { u32 mask; + int port = adapter->portnum; DPRINTK(1, INFO, "Entered ISR Enable \n"); @@ -218,20 +219,7 @@ static void netxen_nic_enable_int(struct netxen_adapter *adapter) writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); } - switch (adapter->portnum) { - case 0: - writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0)); - break; - case 1: - writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1)); - break; - case 2: - writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2)); - break; - case 3: - writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3)); - break; - } + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port])); if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { mask = 0xbff; @@ -328,7 +316,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->ahw.pdev = pdev; adapter->ahw.pci_func = pci_func_id; - spin_lock_init(&adapter->tx_lock); /* remap phys address */ mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ @@ -401,6 +388,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* this will be read from FW later */ adapter->intr_scheme = -1; + adapter->msi_mode = -1; /* This will be reset for mezz cards */ adapter->portnum = pci_func_id; @@ -415,7 +403,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->set_mac_address = netxen_nic_set_mac; netdev->change_mtu = netxen_nic_change_mtu; netdev->tx_timeout = netxen_tx_timeout; - netdev->watchdog_timeo = HZ; + netdev->watchdog_timeo = 2*HZ; netxen_nic_change_mtu(netdev, netdev->mtu); @@ -543,7 +531,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->watchdog_timer.data = (unsigned long)adapter; INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task); adapter->ahw.pdev = pdev; - adapter->proc_cmd_buf_counter = 0; adapter->ahw.revision_id = pdev->revision; /* make sure Window == 1 */ @@ -833,6 +820,8 @@ static int netxen_nic_open(struct net_device *netdev) struct netxen_adapter *adapter = (struct netxen_adapter *)netdev->priv; int err = 0; int ctx, ring; + irq_handler_t handler; + unsigned long flags = IRQF_SAMPLE_RANDOM; if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) { err = netxen_init_firmware(adapter); @@ -856,9 +845,14 @@ static int netxen_nic_open(struct net_device *netdev) netxen_post_rx_buffers(adapter, ctx, ring); } adapter->irq = adapter->ahw.pdev->irq; - err = request_irq(adapter->ahw.pdev->irq, netxen_intr, - IRQF_SHARED|IRQF_SAMPLE_RANDOM, netdev->name, - adapter); + if (adapter->flags & NETXEN_NIC_MSI_ENABLED) + handler = netxen_msi_intr; + else { + flags |= IRQF_SHARED; + handler = netxen_intr; + } + err = request_irq(adapter->irq, handler, + flags, netdev->name, adapter); if (err) { printk(KERN_ERR "request_irq failed with: %d\n", err); netxen_free_hw_resources(adapter); @@ -867,21 +861,12 @@ static int netxen_nic_open(struct net_device *netdev) adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; } - if (!adapter->driver_mismatch) - mod_timer(&adapter->watchdog_timer, jiffies); - - napi_enable(&adapter->napi); - - netxen_nic_enable_int(adapter); - /* Done here again so that even if phantom sw overwrote it, * we set it */ if (adapter->init_port && adapter->init_port(adapter, adapter->portnum) != 0) { - del_timer_sync(&adapter->watchdog_timer); printk(KERN_ERR "%s: Failed to initialize port %d\n", netxen_nic_driver_name, adapter->portnum); - napi_disable(&adapter->napi); return -EIO; } if (adapter->macaddr_set) @@ -894,6 +879,12 @@ static int netxen_nic_open(struct net_device *netdev) adapter->set_mtu(adapter, netdev->mtu); if (!adapter->driver_mismatch) + mod_timer(&adapter->watchdog_timer, jiffies); + + napi_enable(&adapter->napi); + netxen_nic_enable_int(adapter); + + if (!adapter->driver_mismatch) netif_start_queue(netdev); return 0; @@ -958,41 +949,17 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) struct netxen_skb_frag *buffrag; unsigned int i; - u32 producer = 0; + u32 producer, consumer; u32 saved_producer = 0; struct cmd_desc_type0 *hwdesc; int k; struct netxen_cmd_buffer *pbuf = NULL; - static int dropped_packet = 0; int frag_count; - u32 local_producer = 0; - u32 max_tx_desc_count = 0; - u32 last_cmd_consumer = 0; int no_of_desc; + u32 num_txd = adapter->max_tx_desc_count; - adapter->stats.xmitcalled++; frag_count = skb_shinfo(skb)->nr_frags + 1; - if (unlikely(skb->len <= 0)) { - dev_kfree_skb_any(skb); - adapter->stats.badskblen++; - return NETDEV_TX_OK; - } - - if (frag_count > MAX_BUFFERS_PER_CMD) { - printk("%s: %s netxen_nic_xmit_frame: frag_count (%d) " - "too large, can handle only %d frags\n", - netxen_nic_driver_name, netdev->name, - frag_count, MAX_BUFFERS_PER_CMD); - adapter->stats.txdropped++; - if ((++dropped_packet & 0xff) == 0xff) - printk("%s: %s droppped packets = %d\n", - netxen_nic_driver_name, netdev->name, - dropped_packet); - - return NETDEV_TX_OK; - } - /* There 4 fragments per descriptor */ no_of_desc = (frag_count + 3) >> 2; if (netdev->features & NETIF_F_TSO) { @@ -1007,27 +974,16 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) } } - spin_lock_bh(&adapter->tx_lock); - if (adapter->total_threads >= MAX_XMIT_PRODUCERS) { - goto out_requeue; - } - local_producer = adapter->cmd_producer; - k = adapter->cmd_producer; - max_tx_desc_count = adapter->max_tx_desc_count; - last_cmd_consumer = adapter->last_cmd_consumer; - if ((k + no_of_desc) >= - ((last_cmd_consumer <= k) ? last_cmd_consumer + max_tx_desc_count : - last_cmd_consumer)) { - goto out_requeue; + producer = adapter->cmd_producer; + smp_mb(); + consumer = adapter->last_cmd_consumer; + if ((no_of_desc+2) > find_diff_among(producer, consumer, num_txd)) { + netif_stop_queue(netdev); + smp_mb(); + return NETDEV_TX_BUSY; } - k = get_index_range(k, max_tx_desc_count, no_of_desc); - adapter->cmd_producer = k; - adapter->total_threads++; - adapter->num_threads++; - spin_unlock_bh(&adapter->tx_lock); /* Copy the descriptors into the hardware */ - producer = local_producer; saved_producer = producer; hwdesc = &hw->cmd_desc_head[producer]; memset(hwdesc, 0, sizeof(struct cmd_desc_type0)); @@ -1067,8 +1023,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* move to next desc. if there is a need */ if ((i & 0x3) == 0) { k = 0; - producer = get_next_index(producer, - adapter->max_tx_desc_count); + producer = get_next_index(producer, num_txd); hwdesc = &hw->cmd_desc_head[producer]; memset(hwdesc, 0, sizeof(struct cmd_desc_type0)); pbuf = &adapter->cmd_buf_arr[producer]; @@ -1086,7 +1041,6 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) buffrag->dma = temp_dma; buffrag->length = temp_len; - DPRINTK(INFO, "for loop. i=%d k=%d\n", i, k); switch (k) { case 0: hwdesc->buffer1_length = cpu_to_le16(temp_len); @@ -1107,7 +1061,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) } frag++; } - producer = get_next_index(producer, adapter->max_tx_desc_count); + producer = get_next_index(producer, num_txd); /* might change opcode to TX_TCP_LSO */ netxen_tso_check(adapter, &hw->cmd_desc_head[saved_producer], skb); @@ -1134,7 +1088,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* copy the first 64 bytes */ memcpy(((void *)hwdesc) + 2, (void *)(skb->data), first_hdr_len); - producer = get_next_index(producer, max_tx_desc_count); + producer = get_next_index(producer, num_txd); if (more_hdr) { hwdesc = &hw->cmd_desc_head[producer]; @@ -1147,35 +1101,19 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) hwdesc, (hdr_len - first_hdr_len)); - producer = get_next_index(producer, max_tx_desc_count); + producer = get_next_index(producer, num_txd); } } - spin_lock_bh(&adapter->tx_lock); + adapter->cmd_producer = producer; adapter->stats.txbytes += skb->len; - /* Code to update the adapter considering how many producer threads - are currently working */ - if ((--adapter->num_threads) == 0) { - /* This is the last thread */ - u32 crb_producer = adapter->cmd_producer; - netxen_nic_update_cmd_producer(adapter, crb_producer); - wmb(); - adapter->total_threads = 0; - } + netxen_nic_update_cmd_producer(adapter, adapter->cmd_producer); - adapter->stats.xmitfinished++; + adapter->stats.xmitcalled++; netdev->trans_start = jiffies; - spin_unlock_bh(&adapter->tx_lock); return NETDEV_TX_OK; - -out_requeue: - netif_stop_queue(netdev); - adapter->flags |= NETXEN_NETDEV_STATUS; - - spin_unlock_bh(&adapter->tx_lock); - return NETDEV_TX_BUSY; } static void netxen_watchdog(unsigned long v) @@ -1200,87 +1138,60 @@ static void netxen_tx_timeout_task(struct work_struct *work) printk(KERN_ERR "%s %s: transmit timeout, resetting.\n", netxen_nic_driver_name, adapter->netdev->name); - netxen_nic_close(adapter->netdev); - netxen_nic_open(adapter->netdev); + netxen_nic_disable_int(adapter); + napi_disable(&adapter->napi); + adapter->netdev->trans_start = jiffies; + + napi_enable(&adapter->napi); + netxen_nic_enable_int(adapter); netif_wake_queue(adapter->netdev); } -static int -netxen_handle_int(struct netxen_adapter *adapter, struct net_device *netdev) +static inline void +netxen_handle_int(struct netxen_adapter *adapter) { - u32 ret = 0; - - DPRINTK(INFO, "Entered handle ISR\n"); - adapter->stats.ints++; - netxen_nic_disable_int(adapter); - - if (netxen_nic_rx_has_work(adapter) || netxen_nic_tx_has_work(adapter)) { - if (netif_rx_schedule_prep(netdev, &adapter->napi)) { - /* - * Interrupts are already disabled. - */ - __netif_rx_schedule(netdev, &adapter->napi); - } else { - static unsigned int intcount = 0; - if ((++intcount & 0xfff) == 0xfff) - DPRINTK(KERN_ERR - "%s: %s interrupt %d while in poll\n", - netxen_nic_driver_name, netdev->name, - intcount); - } - ret = 1; - } - - if (ret == 0) { - netxen_nic_enable_int(adapter); - } - - return ret; + napi_schedule(&adapter->napi); } -/* - * netxen_intr - Interrupt Handler - * @irq: interrupt number - * data points to adapter stucture (which may be handling more than 1 port - */ irqreturn_t netxen_intr(int irq, void *data) { struct netxen_adapter *adapter = data; - struct net_device *netdev = adapter->netdev; u32 our_int = 0; - if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { - our_int = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR)); - /* not our interrupt */ - if ((our_int & (0x80 << adapter->portnum)) == 0) - return IRQ_NONE; - } + our_int = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR)); + /* not our interrupt */ + if ((our_int & (0x80 << adapter->portnum)) == 0) + return IRQ_NONE; if (adapter->intr_scheme == INTR_SCHEME_PERPORT) { /* claim interrupt */ - if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { - writel(our_int & ~((u32)(0x80 << adapter->portnum)), + writel(our_int & ~((u32)(0x80 << adapter->portnum)), NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR)); - } } - if (netif_running(netdev)) - netxen_handle_int(adapter, netdev); + netxen_handle_int(adapter); return IRQ_HANDLED; } +irqreturn_t netxen_msi_intr(int irq, void *data) +{ + struct netxen_adapter *adapter = data; + + netxen_handle_int(adapter); + return IRQ_HANDLED; +} + static int netxen_nic_poll(struct napi_struct *napi, int budget) { struct netxen_adapter *adapter = container_of(napi, struct netxen_adapter, napi); - struct net_device *netdev = adapter->netdev; - int done = 1; + int tx_complete; int ctx; int work_done; - DPRINTK(INFO, "polling for %d descriptors\n", *budget); + tx_complete = netxen_process_cmd_ring(adapter); work_done = 0; for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { @@ -1300,16 +1211,8 @@ static int netxen_nic_poll(struct napi_struct *napi, int budget) budget / MAX_RCV_CTX); } - if (work_done >= budget) - done = 0; - - if (netxen_process_cmd_ring((unsigned long)adapter) == 0) - done = 0; - - DPRINTK(INFO, "new work_done: %d work_to_do: %d\n", - work_done, work_to_do); - if (done) { - netif_rx_complete(netdev, napi); + if ((work_done < budget) && tx_complete) { + netif_rx_complete(adapter->netdev, &adapter->napi); netxen_nic_enable_int(adapter); } diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h index ffa3b7215ce8..a566b50f36f5 100644 --- a/drivers/net/netxen/netxen_nic_phan_reg.h +++ b/drivers/net/netxen/netxen_nic_phan_reg.h @@ -126,8 +126,11 @@ */ #define CRB_NIC_CAPABILITIES_HOST NETXEN_NIC_REG(0x1a8) #define CRB_NIC_CAPABILITIES_FW NETXEN_NIC_REG(0x1dc) +#define CRB_NIC_MSI_MODE_HOST NETXEN_NIC_REG(0x270) +#define CRB_NIC_MSI_MODE_FW NETXEN_NIC_REG(0x274) #define INTR_SCHEME_PERPORT 0x1 +#define MSI_MODE_MULTIFUNC 0x1 /* used for ethtool tests */ #define CRB_SCRATCHPAD_TEST NETXEN_NIC_REG(0x280) diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index e8a63e483a2b..ce95c5d168fe 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -1268,7 +1268,7 @@ static irqreturn_t ax_interrupt(int irq, void *dev_id) } } - if (interrupts && ei_debug) + if (interrupts && ei_debug > 3) { handled = 1; if (nr_serviced >= MAX_SERVICE) diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index f4ca0591231d..3ac8529bb92c 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -67,6 +67,7 @@ config REALTEK_PHY config FIXED_PHY bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" + depends on PHYLIB=y ---help--- Adds the platform "fixed" MDIO Bus to cover the boards that use PHYs that are not connected to the real MDIO bus. diff --git a/drivers/net/phy/davicom.c b/drivers/net/phy/davicom.c index 7ed632db00d7..d926168bc780 100644 --- a/drivers/net/phy/davicom.c +++ b/drivers/net/phy/davicom.c @@ -37,6 +37,7 @@ #define MII_DM9161_SCR 0x10 #define MII_DM9161_SCR_INIT 0x0610 +#define MII_DM9161_SCR_RMII 0x0100 /* DM9161 Interrupt Register */ #define MII_DM9161_INTR 0x15 @@ -103,7 +104,7 @@ static int dm9161_config_aneg(struct phy_device *phydev) static int dm9161_config_init(struct phy_device *phydev) { - int err; + int err, temp; /* Isolate the PHY */ err = phy_write(phydev, MII_BMCR, BMCR_ISOLATE); @@ -111,9 +112,19 @@ static int dm9161_config_init(struct phy_device *phydev) if (err < 0) return err; - /* Do not bypass the scrambler/descrambler */ - err = phy_write(phydev, MII_DM9161_SCR, MII_DM9161_SCR_INIT); + switch (phydev->interface) { + case PHY_INTERFACE_MODE_MII: + temp = MII_DM9161_SCR_INIT; + break; + case PHY_INTERFACE_MODE_RMII: + temp = MII_DM9161_SCR_INIT | MII_DM9161_SCR_RMII; + break; + default: + return -EINVAL; + } + /* Do not bypass the scrambler/descrambler */ + err = phy_write(phydev, MII_DM9161_SCR, temp); if (err < 0) return err; diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index f0574073a2a3..33539917e9b8 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -58,9 +58,25 @@ #define MII_M1111_RX_DELAY 0x80 #define MII_M1111_TX_DELAY 0x2 #define MII_M1111_PHY_EXT_SR 0x1b -#define MII_M1111_HWCFG_MODE_MASK 0xf -#define MII_M1111_HWCFG_MODE_RGMII 0xb + +#define MII_M1111_HWCFG_MODE_MASK 0xf +#define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb +#define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3 #define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4 +#define MII_M1111_HWCFG_FIBER_COPPER_AUTO 0x8000 +#define MII_M1111_HWCFG_FIBER_COPPER_RES 0x2000 + +#define MII_M1111_COPPER 0 +#define MII_M1111_FIBER 1 + +#define MII_M1011_PHY_STATUS 0x11 +#define MII_M1011_PHY_STATUS_1000 0x8000 +#define MII_M1011_PHY_STATUS_100 0x4000 +#define MII_M1011_PHY_STATUS_SPD_MASK 0xc000 +#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000 +#define MII_M1011_PHY_STATUS_RESOLVED 0x0800 +#define MII_M1011_PHY_STATUS_LINK 0x0400 + MODULE_DESCRIPTION("Marvell PHY driver"); MODULE_AUTHOR("Andy Fleming"); @@ -141,12 +157,22 @@ static int marvell_config_aneg(struct phy_device *phydev) static int m88e1111_config_init(struct phy_device *phydev) { int err; + int temp; + int mode; + + /* Enable Fiber/Copper auto selection */ + temp = phy_read(phydev, MII_M1111_PHY_EXT_SR); + temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO; + phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); + + temp = phy_read(phydev, MII_BMCR); + temp |= BMCR_RESET; + phy_write(phydev, MII_BMCR, temp); if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) || (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) || (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) || (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) { - int temp; temp = phy_read(phydev, MII_M1111_PHY_EXT_CR); if (temp < 0) @@ -171,7 +197,13 @@ static int m88e1111_config_init(struct phy_device *phydev) return temp; temp &= ~(MII_M1111_HWCFG_MODE_MASK); - temp |= MII_M1111_HWCFG_MODE_RGMII; + + mode = phy_read(phydev, MII_M1111_PHY_EXT_CR); + + if (mode & MII_M1111_HWCFG_FIBER_COPPER_RES) + temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII; + else + temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII; err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); if (err < 0) @@ -262,6 +294,93 @@ static int m88e1145_config_init(struct phy_device *phydev) return 0; } +/* marvell_read_status + * + * Generic status code does not detect Fiber correctly! + * Description: + * Check the link, then figure out the current state + * by comparing what we advertise with what the link partner + * advertises. Start by checking the gigabit possibilities, + * then move on to 10/100. + */ +static int marvell_read_status(struct phy_device *phydev) +{ + int adv; + int err; + int lpa; + int status = 0; + + /* Update the link, but return if there + * was an error */ + err = genphy_update_link(phydev); + if (err) + return err; + + if (AUTONEG_ENABLE == phydev->autoneg) { + status = phy_read(phydev, MII_M1011_PHY_STATUS); + if (status < 0) + return status; + + lpa = phy_read(phydev, MII_LPA); + if (lpa < 0) + return lpa; + + adv = phy_read(phydev, MII_ADVERTISE); + if (adv < 0) + return adv; + + lpa &= adv; + + if (status & MII_M1011_PHY_STATUS_FULLDUPLEX) + phydev->duplex = DUPLEX_FULL; + else + phydev->duplex = DUPLEX_HALF; + + status = status & MII_M1011_PHY_STATUS_SPD_MASK; + phydev->pause = phydev->asym_pause = 0; + + switch (status) { + case MII_M1011_PHY_STATUS_1000: + phydev->speed = SPEED_1000; + break; + + case MII_M1011_PHY_STATUS_100: + phydev->speed = SPEED_100; + break; + + default: + phydev->speed = SPEED_10; + break; + } + + if (phydev->duplex == DUPLEX_FULL) { + phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0; + phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0; + } + } else { + int bmcr = phy_read(phydev, MII_BMCR); + + if (bmcr < 0) + return bmcr; + + if (bmcr & BMCR_FULLDPLX) + phydev->duplex = DUPLEX_FULL; + else + phydev->duplex = DUPLEX_HALF; + + if (bmcr & BMCR_SPEED1000) + phydev->speed = SPEED_1000; + else if (bmcr & BMCR_SPEED100) + phydev->speed = SPEED_100; + else + phydev->speed = SPEED_10; + + phydev->pause = phydev->asym_pause = 0; + } + + return 0; +} + static struct phy_driver marvell_drivers[] = { { .phy_id = 0x01410c60, @@ -296,7 +415,7 @@ static struct phy_driver marvell_drivers[] = { .flags = PHY_HAS_INTERRUPT, .config_init = &m88e1111_config_init, .config_aneg = &marvell_config_aneg, - .read_status = &genphy_read_status, + .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .driver = { .owner = THIS_MODULE }, diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c index 86e5dba079fe..3d10ca050b79 100644 --- a/drivers/net/pppol2tp.c +++ b/drivers/net/pppol2tp.c @@ -302,14 +302,14 @@ pppol2tp_session_find(struct pppol2tp_tunnel *tunnel, u16 session_id) struct pppol2tp_session *session; struct hlist_node *walk; - read_lock(&tunnel->hlist_lock); + read_lock_bh(&tunnel->hlist_lock); hlist_for_each_entry(session, walk, session_list, hlist) { if (session->tunnel_addr.s_session == session_id) { - read_unlock(&tunnel->hlist_lock); + read_unlock_bh(&tunnel->hlist_lock); return session; } } - read_unlock(&tunnel->hlist_lock); + read_unlock_bh(&tunnel->hlist_lock); return NULL; } @@ -320,14 +320,14 @@ static struct pppol2tp_tunnel *pppol2tp_tunnel_find(u16 tunnel_id) { struct pppol2tp_tunnel *tunnel = NULL; - read_lock(&pppol2tp_tunnel_list_lock); + read_lock_bh(&pppol2tp_tunnel_list_lock); list_for_each_entry(tunnel, &pppol2tp_tunnel_list, list) { if (tunnel->stats.tunnel_id == tunnel_id) { - read_unlock(&pppol2tp_tunnel_list_lock); + read_unlock_bh(&pppol2tp_tunnel_list_lock); return tunnel; } } - read_unlock(&pppol2tp_tunnel_list_lock); + read_unlock_bh(&pppol2tp_tunnel_list_lock); return NULL; } @@ -342,10 +342,11 @@ static struct pppol2tp_tunnel *pppol2tp_tunnel_find(u16 tunnel_id) static void pppol2tp_recv_queue_skb(struct pppol2tp_session *session, struct sk_buff *skb) { struct sk_buff *skbp; + struct sk_buff *tmp; u16 ns = PPPOL2TP_SKB_CB(skb)->ns; - spin_lock(&session->reorder_q.lock); - skb_queue_walk(&session->reorder_q, skbp) { + spin_lock_bh(&session->reorder_q.lock); + skb_queue_walk_safe(&session->reorder_q, skbp, tmp) { if (PPPOL2TP_SKB_CB(skbp)->ns > ns) { __skb_insert(skb, skbp->prev, skbp, &session->reorder_q); PRINTK(session->debug, PPPOL2TP_MSG_SEQ, KERN_DEBUG, @@ -360,7 +361,7 @@ static void pppol2tp_recv_queue_skb(struct pppol2tp_session *session, struct sk_ __skb_queue_tail(&session->reorder_q, skb); out: - spin_unlock(&session->reorder_q.lock); + spin_unlock_bh(&session->reorder_q.lock); } /* Dequeue a single skb. @@ -371,10 +372,9 @@ static void pppol2tp_recv_dequeue_skb(struct pppol2tp_session *session, struct s int length = PPPOL2TP_SKB_CB(skb)->length; struct sock *session_sock = NULL; - /* We're about to requeue the skb, so unlink it and return resources + /* We're about to requeue the skb, so return resources * to its current owner (a socket receive buffer). */ - skb_unlink(skb, &session->reorder_q); skb_orphan(skb); tunnel->stats.rx_packets++; @@ -442,7 +442,7 @@ static void pppol2tp_recv_dequeue(struct pppol2tp_session *session) * expect to send up next, dequeue it and any other * in-sequence packets behind it. */ - spin_lock(&session->reorder_q.lock); + spin_lock_bh(&session->reorder_q.lock); skb_queue_walk_safe(&session->reorder_q, skb, tmp) { if (time_after(jiffies, PPPOL2TP_SKB_CB(skb)->expires)) { session->stats.rx_seq_discards++; @@ -470,13 +470,18 @@ static void pppol2tp_recv_dequeue(struct pppol2tp_session *session) goto out; } } - spin_unlock(&session->reorder_q.lock); + __skb_unlink(skb, &session->reorder_q); + + /* Process the skb. We release the queue lock while we + * do so to let other contexts process the queue. + */ + spin_unlock_bh(&session->reorder_q.lock); pppol2tp_recv_dequeue_skb(session, skb); - spin_lock(&session->reorder_q.lock); + spin_lock_bh(&session->reorder_q.lock); } out: - spin_unlock(&session->reorder_q.lock); + spin_unlock_bh(&session->reorder_q.lock); } /* Internal receive frame. Do the real work of receiving an L2TP data frame @@ -1059,7 +1064,7 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) /* Get routing info from the tunnel socket */ dst_release(skb->dst); - skb->dst = sk_dst_get(sk_tun); + skb->dst = dst_clone(__sk_dst_get(sk_tun)); skb_orphan(skb); skb->sk = sk_tun; @@ -1107,7 +1112,7 @@ static void pppol2tp_tunnel_closeall(struct pppol2tp_tunnel *tunnel) PRINTK(tunnel->debug, PPPOL2TP_MSG_CONTROL, KERN_INFO, "%s: closing all sessions...\n", tunnel->name); - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); for (hash = 0; hash < PPPOL2TP_HASH_SIZE; hash++) { again: hlist_for_each_safe(walk, tmp, &tunnel->session_hlist[hash]) { @@ -1129,7 +1134,7 @@ again: * disappear as we're jumping between locks. */ sock_hold(sk); - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); lock_sock(sk); if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) { @@ -1154,11 +1159,11 @@ again: * list so we are guaranteed to make forward * progress. */ - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); goto again; } } - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); } /* Really kill the tunnel. @@ -1167,9 +1172,9 @@ again: static void pppol2tp_tunnel_free(struct pppol2tp_tunnel *tunnel) { /* Remove from socket list */ - write_lock(&pppol2tp_tunnel_list_lock); + write_lock_bh(&pppol2tp_tunnel_list_lock); list_del_init(&tunnel->list); - write_unlock(&pppol2tp_tunnel_list_lock); + write_unlock_bh(&pppol2tp_tunnel_list_lock); atomic_dec(&pppol2tp_tunnel_count); kfree(tunnel); @@ -1245,9 +1250,9 @@ static void pppol2tp_session_destruct(struct sock *sk) /* Delete the session socket from the * hash */ - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); hlist_del_init(&session->hlist); - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); atomic_dec(&pppol2tp_session_count); } @@ -1392,9 +1397,9 @@ static struct sock *pppol2tp_prepare_tunnel_socket(int fd, u16 tunnel_id, /* Add tunnel to our list */ INIT_LIST_HEAD(&tunnel->list); - write_lock(&pppol2tp_tunnel_list_lock); + write_lock_bh(&pppol2tp_tunnel_list_lock); list_add(&tunnel->list, &pppol2tp_tunnel_list); - write_unlock(&pppol2tp_tunnel_list_lock); + write_unlock_bh(&pppol2tp_tunnel_list_lock); atomic_inc(&pppol2tp_tunnel_count); /* Bump the reference count. The tunnel context is deleted @@ -1599,11 +1604,11 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, sk->sk_user_data = session; /* Add session to the tunnel's hash list */ - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); hlist_add_head(&session->hlist, pppol2tp_session_id_hash(tunnel, session->tunnel_addr.s_session)); - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); atomic_inc(&pppol2tp_session_count); @@ -2205,7 +2210,7 @@ static struct pppol2tp_session *next_session(struct pppol2tp_tunnel *tunnel, str int next = 0; int i; - read_lock(&tunnel->hlist_lock); + read_lock_bh(&tunnel->hlist_lock); for (i = 0; i < PPPOL2TP_HASH_SIZE; i++) { hlist_for_each_entry(session, walk, &tunnel->session_hlist[i], hlist) { if (curr == NULL) { @@ -2223,7 +2228,7 @@ static struct pppol2tp_session *next_session(struct pppol2tp_tunnel *tunnel, str } } out: - read_unlock(&tunnel->hlist_lock); + read_unlock_bh(&tunnel->hlist_lock); if (!found) session = NULL; @@ -2234,13 +2239,13 @@ static struct pppol2tp_tunnel *next_tunnel(struct pppol2tp_tunnel *curr) { struct pppol2tp_tunnel *tunnel = NULL; - read_lock(&pppol2tp_tunnel_list_lock); + read_lock_bh(&pppol2tp_tunnel_list_lock); if (list_is_last(&curr->list, &pppol2tp_tunnel_list)) { goto out; } tunnel = list_entry(curr->list.next, struct pppol2tp_tunnel, list); out: - read_unlock(&pppol2tp_tunnel_list_lock); + read_unlock_bh(&pppol2tp_tunnel_list_lock); return tunnel; } diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c index daf5abab9534..ddbc6e475e28 100644 --- a/drivers/net/ps3_gelic_wireless.c +++ b/drivers/net/ps3_gelic_wireless.c @@ -1644,13 +1644,24 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl) } /* put them in the newtork_list */ - scan_info = wl->buf; - scan_info_size = 0; - i = 0; - while (scan_info_size < data_len) { + for (i = 0, scan_info_size = 0, scan_info = wl->buf; + scan_info_size < data_len; + i++, scan_info_size += be16_to_cpu(scan_info->size), + scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) { pr_debug("%s:size=%d bssid=%s scan_info=%p\n", __func__, be16_to_cpu(scan_info->size), print_mac(mac, &scan_info->bssid[2]), scan_info); + + /* + * The wireless firmware may return invalid channel 0 and/or + * invalid rate if the AP emits zero length SSID ie. As this + * scan information is useless, ignore it + */ + if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) { + pr_debug("%s: invalid scan info\n", __func__); + continue; + } + found = 0; oldest = NULL; list_for_each_entry(target, &wl->network_list, list) { @@ -1687,10 +1698,6 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl) GFP_KERNEL); if (!target->hwinfo) { pr_info("%s: kzalloc failed\n", __func__); - i++; - scan_info_size += be16_to_cpu(scan_info->size); - scan_info = (void *)scan_info + - be16_to_cpu(scan_info->size); continue; } /* copy hw scan info */ @@ -1709,10 +1716,6 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl) if (scan_info->ext_rate[r]) target->rate_ext_len++; list_move_tail(&target->list, &wl->network_list); - /* bump pointer */ - i++; - scan_info_size += be16_to_cpu(scan_info->size); - scan_info = (void *)scan_info + be16_to_cpu(scan_info->size); } memset(&data, 0, sizeof(data)); wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data, @@ -2389,6 +2392,8 @@ static struct net_device *gelic_wl_alloc(struct gelic_card *card) if (!netdev) return NULL; + strcpy(netdev->name, "wlan%d"); + port = netdev_priv(netdev); port->netdev = netdev; port->card = card; diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c index 19184e486ae9..169edc154928 100644 --- a/drivers/net/r6040.c +++ b/drivers/net/r6040.c @@ -239,7 +239,8 @@ static void r6040_free_txbufs(struct net_device *dev) for (i = 0; i < TX_DCNT; i++) { if (lp->tx_insert_ptr->skb_ptr) { - pci_unmap_single(lp->pdev, lp->tx_insert_ptr->buf, + pci_unmap_single(lp->pdev, + le32_to_cpu(lp->tx_insert_ptr->buf), MAX_BUF_SIZE, PCI_DMA_TODEVICE); dev_kfree_skb(lp->tx_insert_ptr->skb_ptr); lp->rx_insert_ptr->skb_ptr = NULL; @@ -255,7 +256,8 @@ static void r6040_free_rxbufs(struct net_device *dev) for (i = 0; i < RX_DCNT; i++) { if (lp->rx_insert_ptr->skb_ptr) { - pci_unmap_single(lp->pdev, lp->rx_insert_ptr->buf, + pci_unmap_single(lp->pdev, + le32_to_cpu(lp->rx_insert_ptr->buf), MAX_BUF_SIZE, PCI_DMA_FROMDEVICE); dev_kfree_skb(lp->rx_insert_ptr->skb_ptr); lp->rx_insert_ptr->skb_ptr = NULL; @@ -542,7 +544,7 @@ static int r6040_rx(struct net_device *dev, int limit) skb_ptr->dev = priv->dev; /* Do not count the CRC */ skb_put(skb_ptr, descptr->len - 4); - pci_unmap_single(priv->pdev, descptr->buf, + pci_unmap_single(priv->pdev, le32_to_cpu(descptr->buf), MAX_BUF_SIZE, PCI_DMA_FROMDEVICE); skb_ptr->protocol = eth_type_trans(skb_ptr, priv->dev); /* Send to upper layer */ @@ -585,7 +587,7 @@ static void r6040_tx(struct net_device *dev) if (descptr->status & 0x8000) break; /* Not complete */ skb_ptr = descptr->skb_ptr; - pci_unmap_single(priv->pdev, descptr->buf, + pci_unmap_single(priv->pdev, le32_to_cpu(descptr->buf), skb_ptr->len, PCI_DMA_TODEVICE); /* Free buffer */ dev_kfree_skb_irq(skb_ptr); diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 6179a0a2032c..3c915b82e199 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -1088,7 +1088,7 @@ static int s2io_print_pci_mode(struct s2io_nic *nic) * '-1' on failure */ -int init_tti(struct s2io_nic *nic, int link) +static int init_tti(struct s2io_nic *nic, int link) { struct XENA_dev_config __iomem *bar0 = nic->bar0; register u64 val64 = 0; @@ -4172,6 +4172,9 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) dev->trans_start = jiffies; spin_unlock_irqrestore(&fifo->tx_lock, flags); + if (sp->config.intr_type == MSI_X) + tx_intr_handler(fifo); + return 0; pci_map_failed: stats->pci_map_fail_cnt++; diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 186eb8ebfda6..2e26dced13a1 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -3199,12 +3199,14 @@ static int skge_poll(struct napi_struct *napi, int to_do) skge_write8(hw, Q_ADDR(rxqaddr[skge->port], Q_CSR), CSR_START); if (work_done < to_do) { - spin_lock_irq(&hw->hw_lock); + unsigned long flags; + + spin_lock_irqsave(&hw->hw_lock, flags); __netif_rx_complete(dev, napi); hw->intr_mask |= napimask[skge->port]; skge_write32(hw, B0_IMSK, hw->intr_mask); skge_read32(hw, B0_IMSK); - spin_unlock_irq(&hw->hw_lock); + spin_unlock_irqrestore(&hw->hw_lock, flags); } return work_done; diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index 51d4134b37b1..98a832a75539 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -92,14 +92,14 @@ #define SMC_insw(a, r, p, l) insw ((unsigned long *)((a) + (r)), p, l) # endif /* check if the mac in reg is valid */ -#define SMC_GET_MAC_ADDR(addr) \ +#define SMC_GET_MAC_ADDR(lp, addr) \ do { \ unsigned int __v; \ - __v = SMC_inw(ioaddr, ADDR0_REG); \ + __v = SMC_inw(ioaddr, ADDR0_REG(lp)); \ addr[0] = __v; addr[1] = __v >> 8; \ - __v = SMC_inw(ioaddr, ADDR1_REG); \ + __v = SMC_inw(ioaddr, ADDR1_REG(lp)); \ addr[2] = __v; addr[3] = __v >> 8; \ - __v = SMC_inw(ioaddr, ADDR2_REG); \ + __v = SMC_inw(ioaddr, ADDR2_REG(lp)); \ addr[4] = __v; addr[5] = __v >> 8; \ if (*(u32 *)(&addr[0]) == 0xFFFFFFFF) { \ random_ether_addr(addr); \ diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 97212799c513..4291458955ef 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -912,7 +912,7 @@ static int gem_poll(struct napi_struct *napi, int budget) * rx ring - must call napi_disable(), which * schedule_timeout()'s if polling is already disabled. */ - work_done += gem_rx(gp, budget); + work_done += gem_rx(gp, budget - work_done); if (work_done >= budget) return work_done; diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 26ffb67f1da2..f9ef8bd8b11e 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -64,8 +64,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.87" -#define DRV_MODULE_RELDATE "December 20, 2007" +#define DRV_MODULE_VERSION "3.88" +#define DRV_MODULE_RELDATE "March 20, 2008" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -11841,7 +11841,7 @@ static int __devinit tg3_get_device_address(struct tg3 *tp) } if (!is_valid_ether_addr(&dev->dev_addr[0])) { -#ifdef CONFIG_SPARC64 +#ifdef CONFIG_SPARC if (!tg3_get_default_macaddr_sparc(tp)) return 0; #endif diff --git a/drivers/net/tokenring/smctr.c b/drivers/net/tokenring/smctr.c index 8909050b8ea7..5f1c5072b96f 100644 --- a/drivers/net/tokenring/smctr.c +++ b/drivers/net/tokenring/smctr.c @@ -3413,7 +3413,7 @@ static int smctr_make_tx_status_code(struct net_device *dev, tsv->svi = TRANSMIT_STATUS_CODE; tsv->svl = S_TRANSMIT_STATUS_CODE; - tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) || IBM_PASS_SOURCE_ADDR); + tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) | IBM_PASS_SOURCE_ADDR); /* Stripped frame status of Transmitted Frame */ tsv->svv[1] = tx_fstatus & 0xff; diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index 77d9dd7ea34f..1b5edd646a8c 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -842,7 +842,7 @@ static inline int de_is_running (struct de_private *de) static void de_stop_rxtx (struct de_private *de) { u32 macmode; - unsigned int work = 1000; + unsigned int i = 1300/100; macmode = dr32(MacMode); if (macmode & RxTx) { @@ -850,10 +850,14 @@ static void de_stop_rxtx (struct de_private *de) dr32(MacMode); } - while (--work > 0) { + /* wait until in-flight frame completes. + * Max time @ 10BT: 1500*8b/10Mbps == 1200us (+ 100us margin) + * Typically expect this loop to end in < 50 us on 100BT. + */ + while (--i) { if (!de_is_running(de)) return; - cpu_relax(); + udelay(100); } printk(KERN_WARNING "%s: timeout expired stopping DMA\n", de->dev->name); @@ -910,7 +914,8 @@ static void de_set_media (struct de_private *de) unsigned media = de->media_type; u32 macmode = dr32(MacMode); - BUG_ON(de_is_running(de)); + if (de_is_running(de)) + printk(KERN_WARNING "%s: chip is running while changing media!\n", de->dev->name); if (de->de21040) dw32(CSR11, FULL_DUPLEX_MAGIC); diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index fba0811d2608..8cc316653a39 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -154,8 +154,8 @@ static struct ucc_geth_info ugeth_primary_info = { .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT, .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE, .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC, - .numThreadsTx = UCC_GETH_NUM_OF_THREADS_4, - .numThreadsRx = UCC_GETH_NUM_OF_THREADS_4, + .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1, + .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1, .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, }; @@ -3975,6 +3975,8 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT; ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT; ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT; + ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4; + ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4; } /* Set the bus id */ diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 4b131a6c6b70..0343b00cf1fd 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -341,7 +341,7 @@ static void dm9601_set_multicast(struct net_device *net) /* We use the 20 byte dev->data for our 8 byte filter buffer * to avoid allocating memory that is tricky to free later */ u8 *hashes = (u8 *) & dev->data; - u8 rx_ctl = 0x01; + u8 rx_ctl = 0x31; memset(hashes, 0x00, DM_MCAST_SIZE); hashes[DM_MCAST_SIZE - 1] |= 0x80; /* broadcast address */ @@ -562,6 +562,10 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0a46, 0x8515), /* ADMtek ADM8515 USB NIC */ .driver_info = (unsigned long)&dm9601_info, }, + { + USB_DEVICE(0x0a47, 0x9601), /* Hirose USB-100 */ + .driver_info = (unsigned long)&dm9601_info, + }, {}, // END }; diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index a61324757b17..369c731114b3 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -16,10 +16,6 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -// #define DEBUG // error path messages, extra info -// #define VERBOSE // more; success messages - #include <linux/module.h> #include <linux/init.h> #include <linux/netdevice.h> @@ -287,7 +283,7 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) struct rndis_set_c *set_c; struct rndis_halt *halt; } u; - u32 tmp, *phym; + u32 tmp, phym_unspec, *phym; int reply_len; unsigned char *bp; @@ -318,6 +314,14 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) net->hard_header_len += sizeof (struct rndis_data_hdr); dev->hard_mtu = net->mtu + net->hard_header_len; + dev->maxpacket = usb_maxpacket(dev->udev, dev->out, 1); + if (dev->maxpacket == 0) { + if (netif_msg_probe(dev)) + dev_dbg(&intf->dev, "dev->maxpacket can't be 0\n"); + retval = -EINVAL; + goto fail_and_release; + } + dev->rx_urb_size = dev->hard_mtu + (dev->maxpacket + 1); dev->rx_urb_size &= ~(dev->maxpacket - 1); u.init->max_transfer_size = cpu_to_le32(dev->rx_urb_size); @@ -359,12 +363,15 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) goto halt_fail_and_release; /* Check physical medium */ + phym = NULL; reply_len = sizeof *phym; retval = rndis_query(dev, intf, u.buf, OID_GEN_PHYSICAL_MEDIUM, 0, (void **) &phym, &reply_len); - if (retval != 0) + if (retval != 0 || !phym) { /* OID is optional so don't fail here. */ - *phym = RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED; + phym_unspec = RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED; + phym = &phym_unspec; + } if ((flags & FLAG_RNDIS_PHYM_WIRELESS) && *phym != RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN) { if (netif_msg_probe(dev)) diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index 7e1f00131f91..df56a518691c 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -376,7 +376,7 @@ static int alloc_all_urbs(rtl8150_t * dev) return 0; } dev->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->intr_urb) { + if (!dev->ctrl_urb) { usb_free_urb(dev->rx_urb); usb_free_urb(dev->tx_urb); usb_free_urb(dev->intr_urb); diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 19fd4cb0ddf8..b58472cf76f8 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -203,8 +203,11 @@ again: if (received < budget) { netif_rx_complete(vi->dev, napi); if (unlikely(!vi->rvq->vq_ops->enable_cb(vi->rvq)) - && netif_rx_reschedule(vi->dev, napi)) + && napi_schedule_prep(napi)) { + vi->rvq->vq_ops->disable_cb(vi->rvq); + __netif_rx_schedule(vi->dev, napi); goto again; + } } return received; @@ -278,10 +281,11 @@ again: pr_debug("%s: virtio not prepared to send\n", dev->name); netif_stop_queue(dev); - /* Activate callback for using skbs: if this fails it + /* Activate callback for using skbs: if this returns false it * means some were used in the meantime. */ if (unlikely(!vi->svq->vq_ops->enable_cb(vi->svq))) { - printk("Unlikely: restart svq failed\n"); + printk("Unlikely: restart svq race\n"); + vi->svq->vq_ops->disable_cb(vi->svq); netif_start_queue(dev); goto again; } @@ -294,6 +298,15 @@ again: return 0; } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void virtnet_netpoll(struct net_device *dev) +{ + struct virtnet_info *vi = netdev_priv(dev); + + napi_schedule(&vi->napi); +} +#endif + static int virtnet_open(struct net_device *dev) { struct virtnet_info *vi = netdev_priv(dev); @@ -336,6 +349,9 @@ static int virtnet_probe(struct virtio_device *vdev) dev->stop = virtnet_close; dev->hard_start_xmit = start_xmit; dev->features = NETIF_F_HIGHDMA; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = virtnet_netpoll; +#endif SET_NETDEV_DEV(dev, &vdev->dev); /* Do we support "hardware" checksums? */ diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c index cf27bf40d36e..547368e9633d 100644 --- a/drivers/net/wan/farsync.c +++ b/drivers/net/wan/farsync.c @@ -2024,6 +2024,7 @@ fst_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) struct fstioc_write wrthdr; struct fstioc_info info; unsigned long flags; + void *buf; dbg(DBG_IOCTL, "ioctl: %x, %p\n", cmd, ifr->ifr_data); @@ -2065,16 +2066,22 @@ fst_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) return -ENXIO; } - /* Now copy the data to the card. - * This will probably break on some architectures. - * I'll fix it when I have something to test on. - */ - if (copy_from_user(card->mem + wrthdr.offset, + /* Now copy the data to the card. */ + + buf = kmalloc(wrthdr.size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (copy_from_user(buf, ifr->ifr_data + sizeof (struct fstioc_write), wrthdr.size)) { + kfree(buf); return -EFAULT; } + memcpy_toio(card->mem + wrthdr.offset, buf, wrthdr.size); + kfree(buf); + /* Writes to the memory of a card in the reset state constitute * a download */ diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c index 15d5c58e57bc..e59255a155a9 100644 --- a/drivers/net/wan/sbni.c +++ b/drivers/net/wan/sbni.c @@ -751,7 +751,7 @@ upload_data( struct net_device *dev, unsigned framelen, unsigned frameno, } -static __inline void +static inline void send_complete( struct net_local *nl ) { #ifdef CONFIG_SBNI_MULTILINE diff --git a/drivers/net/wireless/arlan-proc.c b/drivers/net/wireless/arlan-proc.c index c6e70dbc5de8..2ab1d59870f4 100644 --- a/drivers/net/wireless/arlan-proc.c +++ b/drivers/net/wireless/arlan-proc.c @@ -1202,13 +1202,6 @@ static ctl_table arlan_table[MAX_ARLANS + 1] = { .ctl_name = 0 } }; #endif -#else - -static ctl_table arlan_table[MAX_ARLANS + 1] = -{ - { .ctl_name = 0 } -}; -#endif // static int mmtu = 1234; @@ -1233,7 +1226,6 @@ static ctl_table arlan_root_table[] = //}; -#ifdef CONFIG_PROC_FS static struct ctl_table_header *arlan_device_sysctl_header; int __init init_arlan_proc(void) diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c index c2de2d958e8e..01757436353d 100644 --- a/drivers/net/wireless/ath5k/hw.c +++ b/drivers/net/wireless/ath5k/hw.c @@ -427,6 +427,8 @@ void ath5k_hw_detach(struct ath5k_hw *ah) { ATH5K_TRACE(ah->ah_sc); + __set_bit(ATH_STAT_INVALID, ah->ah_sc->status); + if (ah->ah_rf_banks != NULL) kfree(ah->ah_rf_banks); diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c index e38ed0fe72e9..7fca2ebc747f 100644 --- a/drivers/net/wireless/b43/debugfs.c +++ b/drivers/net/wireless/b43/debugfs.c @@ -618,6 +618,7 @@ void b43_debugfs_remove_device(struct b43_wldev *dev) kfree(e); } +/* Called with IRQs disabled. */ void b43_debugfs_log_txstat(struct b43_wldev *dev, const struct b43_txstatus *status) { @@ -629,8 +630,7 @@ void b43_debugfs_log_txstat(struct b43_wldev *dev, if (!e) return; log = &e->txstatlog; - B43_WARN_ON(!irqs_disabled()); - spin_lock(&log->lock); + spin_lock(&log->lock); /* IRQs are already disabled. */ i = log->end + 1; if (i == B43_NR_LOGGED_TXSTATUS) i = 0; diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 3dfb28a34be9..cfbc1a26f601 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -560,7 +560,7 @@ static int b43_dmacontroller_tx_reset(struct b43_wldev *dev, u16 mmio_base, /* Check if a DMA mapping address is invalid. */ static bool b43_dma_mapping_error(struct b43_dmaring *ring, dma_addr_t addr, - size_t buffersize) + size_t buffersize, bool dma_to_device) { if (unlikely(dma_mapping_error(addr))) return 1; @@ -568,11 +568,11 @@ static bool b43_dma_mapping_error(struct b43_dmaring *ring, switch (ring->type) { case B43_DMA_30BIT: if ((u64)addr + buffersize > (1ULL << 30)) - return 1; + goto address_error; break; case B43_DMA_32BIT: if ((u64)addr + buffersize > (1ULL << 32)) - return 1; + goto address_error; break; case B43_DMA_64BIT: /* Currently we can't have addresses beyond @@ -582,6 +582,12 @@ static bool b43_dma_mapping_error(struct b43_dmaring *ring, /* The address is OK. */ return 0; + +address_error: + /* We can't support this address. Unmap it again. */ + unmap_descbuffer(ring, addr, buffersize, dma_to_device); + + return 1; } static int setup_rx_descbuffer(struct b43_dmaring *ring, @@ -599,7 +605,7 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring, if (unlikely(!skb)) return -ENOMEM; dmaaddr = map_descbuffer(ring, skb->data, ring->rx_buffersize, 0); - if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize)) { + if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize, 0)) { /* ugh. try to realloc in zone_dma */ gfp_flags |= GFP_DMA; @@ -612,7 +618,7 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring, ring->rx_buffersize, 0); } - if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize)) { + if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize, 0)) { dev_kfree_skb_any(skb); return -EIO; } @@ -852,7 +858,8 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev, b43_txhdr_size(dev), DMA_TO_DEVICE); - if (b43_dma_mapping_error(ring, dma_test, b43_txhdr_size(dev))) { + if (b43_dma_mapping_error(ring, dma_test, + b43_txhdr_size(dev), 1)) { /* ugh realloc */ kfree(ring->txhdr_cache); ring->txhdr_cache = kcalloc(nr_slots, @@ -867,7 +874,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev, DMA_TO_DEVICE); if (b43_dma_mapping_error(ring, dma_test, - b43_txhdr_size(dev))) + b43_txhdr_size(dev), 1)) goto err_kfree_txhdr_cache; } @@ -1189,7 +1196,7 @@ static int dma_tx_fragment(struct b43_dmaring *ring, meta_hdr->dmaaddr = map_descbuffer(ring, (unsigned char *)header, hdrsize, 1); - if (b43_dma_mapping_error(ring, meta_hdr->dmaaddr, hdrsize)) { + if (b43_dma_mapping_error(ring, meta_hdr->dmaaddr, hdrsize, 1)) { ring->current_slot = old_top_slot; ring->used_slots = old_used_slots; return -EIO; @@ -1208,7 +1215,7 @@ static int dma_tx_fragment(struct b43_dmaring *ring, meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); /* create a bounce buffer in zone_dma on mapping failure. */ - if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len)) { + if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) { bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA); if (!bounce_skb) { ring->current_slot = old_top_slot; @@ -1222,7 +1229,7 @@ static int dma_tx_fragment(struct b43_dmaring *ring, skb = bounce_skb; meta->skb = skb; meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); - if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len)) { + if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) { ring->current_slot = old_top_slot; ring->used_slots = old_used_slots; err = -EIO; @@ -1337,6 +1344,7 @@ out_unlock: return err; } +/* Called with IRQs disabled. */ void b43_dma_handle_txstatus(struct b43_wldev *dev, const struct b43_txstatus *status) { @@ -1349,8 +1357,8 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev, ring = parse_cookie(dev, status->cookie, &slot); if (unlikely(!ring)) return; - B43_WARN_ON(!irqs_disabled()); - spin_lock(&ring->lock); + + spin_lock(&ring->lock); /* IRQs are already disabled. */ B43_WARN_ON(!ring->tx); ops = ring->ops; diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 51dfce16178a..c73a75b24cd6 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -2049,7 +2049,6 @@ void b43_mac_enable(struct b43_wldev *dev) { dev->mac_suspended--; B43_WARN_ON(dev->mac_suspended < 0); - B43_WARN_ON(irqs_disabled()); if (dev->mac_suspended == 0) { b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL) @@ -2075,7 +2074,6 @@ void b43_mac_suspend(struct b43_wldev *dev) u32 tmp; might_sleep(); - B43_WARN_ON(irqs_disabled()); B43_WARN_ON(dev->mac_suspended < 0); if (dev->mac_suspended == 0) { diff --git a/drivers/net/wireless/b43/phy.c b/drivers/net/wireless/b43/phy.c index 71507b260b6d..575c5436ebdf 100644 --- a/drivers/net/wireless/b43/phy.c +++ b/drivers/net/wireless/b43/phy.c @@ -860,7 +860,7 @@ static void b43_phy_ww(struct b43_wldev *dev) b43_phy_write(dev, B43_PHY_OFDM(0xBB), (b43_phy_read(dev, B43_PHY_OFDM(0xBB)) & 0xF000) | 0x0053); b43_phy_write(dev, B43_PHY_OFDM61, - (b43_phy_read(dev, B43_PHY_OFDM61 & 0xFE1F)) | 0x0120); + (b43_phy_read(dev, B43_PHY_OFDM61) & 0xFE1F) | 0x0120); b43_phy_write(dev, B43_PHY_OFDM(0x13), (b43_phy_read(dev, B43_PHY_OFDM(0x13)) & 0x0FFF) | 0x3000); b43_phy_write(dev, B43_PHY_OFDM(0x14), diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index d1af938b9aa6..b79a35a40ab6 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -20,7 +20,7 @@ config IWL4965 runs. If you want to compile the driver as a module ( = code which can be - inserted in and remvoed from the running kernel whenever you want), + inserted in and removed from the running kernel whenever you want), say M here and read <file:Documentation/kbuild/modules.txt>. The module will be called iwl4965.ko. @@ -101,7 +101,7 @@ config IWL3945 runs. If you want to compile the driver as a module ( = code which can be - inserted in and remvoed from the running kernel whenever you want), + inserted in and removed from the running kernel whenever you want), say M here and read <file:Documentation/kbuild/modules.txt>. The module will be called iwl3945.ko. diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 40b71bc2c4a4..cbaeaf186494 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -6206,11 +6206,11 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv) /* At this point, the NIC is initialized and operational */ priv->notif_missed_beacons = 0; - set_bit(STATUS_READY, &priv->status); iwl3945_reg_txpower_periodic(priv); IWL_DEBUG_INFO("ALIVE processing complete.\n"); + set_bit(STATUS_READY, &priv->status); wake_up_interruptible(&priv->wait_command_queue); if (priv->error_recovering) @@ -8706,7 +8706,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e return err; } -static void iwl3945_pci_remove(struct pci_dev *pdev) +static void __devexit iwl3945_pci_remove(struct pci_dev *pdev) { struct iwl3945_priv *priv = pci_get_drvdata(pdev); struct list_head *p, *q; diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index a23d4798653b..60ec29eab85a 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -6628,11 +6628,11 @@ static void iwl4965_alive_start(struct iwl4965_priv *priv) /* At this point, the NIC is initialized and operational */ priv->notif_missed_beacons = 0; - set_bit(STATUS_READY, &priv->status); iwl4965_rf_kill_ct_config(priv); IWL_DEBUG_INFO("ALIVE processing complete.\n"); + set_bit(STATUS_READY, &priv->status); wake_up_interruptible(&priv->wait_command_queue); if (priv->error_recovering) @@ -9282,7 +9282,7 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e return err; } -static void iwl4965_pci_remove(struct pci_dev *pdev) +static void __devexit iwl4965_pci_remove(struct pci_dev *pdev) { struct iwl4965_priv *priv = pci_get_drvdata(pdev); struct list_head *p, *q; diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c index bdc6a1cc2103..f0ef7081bdeb 100644 --- a/drivers/net/wireless/libertas/cmdresp.c +++ b/drivers/net/wireless/libertas/cmdresp.c @@ -578,7 +578,7 @@ int lbs_process_rx_command(struct lbs_private *priv) goto done; } if (respcmd != CMD_RET(curcmd) && - respcmd != CMD_802_11_ASSOCIATE && curcmd != CMD_RET_802_11_ASSOCIATE) { + respcmd != CMD_RET_802_11_ASSOCIATE && curcmd != CMD_802_11_ASSOCIATE) { lbs_pr_info("Invalid CMD_RESP %x to command %x!\n", respcmd, curcmd); spin_unlock_irqrestore(&priv->driver_lock, flags); ret = -1; diff --git a/drivers/net/wireless/p54usb.c b/drivers/net/wireless/p54usb.c index e7d4aee8799e..98ddbb3b3273 100644 --- a/drivers/net/wireless/p54usb.c +++ b/drivers/net/wireless/p54usb.c @@ -63,6 +63,7 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */ {USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */ {USB_DEVICE(0x09aa, 0x1000)}, /* Spinnaker Proto board */ + {USB_DEVICE(0x124a, 0x4025)}, /* IOGear GWU513 (GW3887IK chip) */ {USB_DEVICE(0x13b1, 0x000a)}, /* Linksys WUSB54G ver 2 */ {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */ {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 05927b908f80..6c725422af5a 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -620,6 +620,9 @@ struct rt2x00_dev { * This will only be compiled in when required. */ #ifdef CONFIG_RT2X00_LIB_RFKILL +unsigned long rfkill_state; +#define RFKILL_STATE_ALLOCATED 1 +#define RFKILL_STATE_REGISTERED 2 struct rfkill *rfkill; struct input_polled_dev *poll_dev; #endif /* CONFIG_RT2X00_LIB_RFKILL */ diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 0d51f478bcdf..bd305f7f3efd 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -1098,7 +1098,7 @@ static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev) return; /* - * Unregister rfkill. + * Unregister extra components. */ rt2x00rfkill_unregister(rt2x00dev); @@ -1139,17 +1139,12 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev) __set_bit(DEVICE_INITIALIZED, &rt2x00dev->flags); /* - * Register the rfkill handler. + * Register the extra components. */ - status = rt2x00rfkill_register(rt2x00dev); - if (status) - goto exit_unitialize; + rt2x00rfkill_register(rt2x00dev); return 0; -exit_unitialize: - rt2x00lib_uninitialize(rt2x00dev); - exit: rt2x00lib_free_ring_entries(rt2x00dev); @@ -1313,15 +1308,9 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) } /* - * Allocatie rfkill. - */ - retval = rt2x00rfkill_allocate(rt2x00dev); - if (retval) - goto exit; - - /* - * Open the debugfs entry. + * Register extra components. */ + rt2x00rfkill_allocate(rt2x00dev); rt2x00debug_register(rt2x00dev); __set_bit(DEVICE_PRESENT, &rt2x00dev->flags); @@ -1350,13 +1339,9 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) rt2x00lib_uninitialize(rt2x00dev); /* - * Close debugfs entry. + * Free extra components */ rt2x00debug_deregister(rt2x00dev); - - /* - * Free rfkill - */ rt2x00rfkill_free(rt2x00dev); /* @@ -1395,11 +1380,15 @@ int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state) __set_bit(DEVICE_STARTED_SUSPEND, &rt2x00dev->flags); /* - * Disable radio and unitialize all items - * that must be recreated on resume. + * Disable radio. */ rt2x00lib_stop(rt2x00dev); rt2x00lib_uninitialize(rt2x00dev); + + /* + * Suspend/disable extra components. + */ + rt2x00rfkill_suspend(rt2x00dev); rt2x00debug_deregister(rt2x00dev); exit: @@ -1422,9 +1411,10 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev) NOTICE(rt2x00dev, "Waking up.\n"); /* - * Open the debugfs entry. + * Restore/enable extra components. */ rt2x00debug_register(rt2x00dev); + rt2x00rfkill_resume(rt2x00dev); /* * Only continue if mac80211 had open interfaces. diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h index 1adbd28e0973..ce58c654ade1 100644 --- a/drivers/net/wireless/rt2x00/rt2x00lib.h +++ b/drivers/net/wireless/rt2x00/rt2x00lib.h @@ -100,28 +100,36 @@ static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, * RFkill handlers. */ #ifdef CONFIG_RT2X00_LIB_RFKILL -int rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev); +void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev); void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev); -int rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev); +void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev); void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev); +void rt2x00rfkill_suspend(struct rt2x00_dev *rt2x00dev); +void rt2x00rfkill_resume(struct rt2x00_dev *rt2x00dev); #else -static inline int rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev) +static inline void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev) { - return 0; } static inline void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev) { } -static inline int rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev) +static inline void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev) { - return 0; } static inline void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev) { } + +static inline void rt2x00rfkill_suspend(struct rt2x00_dev *rt2x00dev) +{ +} + +static inline void rt2x00rfkill_resume(struct rt2x00_dev *rt2x00dev) +{ +} #endif /* CONFIG_RT2X00_LIB_RFKILL */ #endif /* RT2X00LIB_H */ diff --git a/drivers/net/wireless/rt2x00/rt2x00rfkill.c b/drivers/net/wireless/rt2x00/rt2x00rfkill.c index 34a96d44e306..f95577596206 100644 --- a/drivers/net/wireless/rt2x00/rt2x00rfkill.c +++ b/drivers/net/wireless/rt2x00/rt2x00rfkill.c @@ -69,56 +69,81 @@ static void rt2x00rfkill_poll(struct input_polled_dev *poll_dev) } } -int rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev) +void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev) { - int retval; - - if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags)) - return 0; + if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags) || + !test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state)) + return; - retval = rfkill_register(rt2x00dev->rfkill); - if (retval) { + if (rfkill_register(rt2x00dev->rfkill)) { ERROR(rt2x00dev, "Failed to register rfkill handler.\n"); - return retval; + return; } - retval = input_register_polled_device(rt2x00dev->poll_dev); - if (retval) { + if (input_register_polled_device(rt2x00dev->poll_dev)) { ERROR(rt2x00dev, "Failed to register polled device.\n"); rfkill_unregister(rt2x00dev->rfkill); - return retval; + return; } + __set_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state); + /* * Force initial poll which will detect the initial device state, * and correctly sends the signal to the rfkill layer about this * state. */ rt2x00rfkill_poll(rt2x00dev->poll_dev); - - return 0; } void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev) { - if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags)) + if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags) || + !test_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state)) return; input_unregister_polled_device(rt2x00dev->poll_dev); rfkill_unregister(rt2x00dev->rfkill); + + __clear_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state); } -int rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev) +static struct input_polled_dev * +rt2x00rfkill_allocate_polldev(struct rt2x00_dev *rt2x00dev) { - struct device *device = wiphy_dev(rt2x00dev->hw->wiphy); + struct input_polled_dev *poll_dev; + + poll_dev = input_allocate_polled_device(); + if (!poll_dev) + return NULL; + + poll_dev->private = rt2x00dev; + poll_dev->poll = rt2x00rfkill_poll; + poll_dev->poll_interval = RFKILL_POLL_INTERVAL; + + poll_dev->input->name = rt2x00dev->ops->name; + poll_dev->input->phys = wiphy_name(rt2x00dev->hw->wiphy); + poll_dev->input->id.bustype = BUS_HOST; + poll_dev->input->id.vendor = 0x1814; + poll_dev->input->id.product = rt2x00dev->chip.rt; + poll_dev->input->id.version = rt2x00dev->chip.rev; + poll_dev->input->dev.parent = wiphy_dev(rt2x00dev->hw->wiphy); + poll_dev->input->evbit[0] = BIT(EV_KEY); + set_bit(KEY_WLAN, poll_dev->input->keybit); + + return poll_dev; +} +void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev) +{ if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags)) - return 0; + return; - rt2x00dev->rfkill = rfkill_allocate(device, RFKILL_TYPE_WLAN); + rt2x00dev->rfkill = + rfkill_allocate(wiphy_dev(rt2x00dev->hw->wiphy), RFKILL_TYPE_WLAN); if (!rt2x00dev->rfkill) { ERROR(rt2x00dev, "Failed to allocate rfkill handler.\n"); - goto exit; + return; } rt2x00dev->rfkill->name = rt2x00dev->ops->name; @@ -126,40 +151,49 @@ int rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev) rt2x00dev->rfkill->state = -1; rt2x00dev->rfkill->toggle_radio = rt2x00rfkill_toggle_radio; - rt2x00dev->poll_dev = input_allocate_polled_device(); + rt2x00dev->poll_dev = rt2x00rfkill_allocate_polldev(rt2x00dev); if (!rt2x00dev->poll_dev) { ERROR(rt2x00dev, "Failed to allocate polled device.\n"); - goto exit_free_rfkill; + rfkill_free(rt2x00dev->rfkill); + rt2x00dev->rfkill = NULL; + return; } - rt2x00dev->poll_dev->private = rt2x00dev; - rt2x00dev->poll_dev->poll = rt2x00rfkill_poll; - rt2x00dev->poll_dev->poll_interval = RFKILL_POLL_INTERVAL; + return; +} - rt2x00dev->poll_dev->input->name = rt2x00dev->ops->name; - rt2x00dev->poll_dev->input->phys = wiphy_name(rt2x00dev->hw->wiphy); - rt2x00dev->poll_dev->input->id.bustype = BUS_HOST; - rt2x00dev->poll_dev->input->id.vendor = 0x1814; - rt2x00dev->poll_dev->input->id.product = rt2x00dev->chip.rt; - rt2x00dev->poll_dev->input->id.version = rt2x00dev->chip.rev; - rt2x00dev->poll_dev->input->dev.parent = device; - rt2x00dev->poll_dev->input->evbit[0] = BIT(EV_KEY); - set_bit(KEY_WLAN, rt2x00dev->poll_dev->input->keybit); +void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev) +{ + if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags) || + !test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state)) + return; - return 0; + input_free_polled_device(rt2x00dev->poll_dev); + rt2x00dev->poll_dev = NULL; -exit_free_rfkill: rfkill_free(rt2x00dev->rfkill); - -exit: - return -ENOMEM; + rt2x00dev->rfkill = NULL; } -void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev) +void rt2x00rfkill_suspend(struct rt2x00_dev *rt2x00dev) { - if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags)) + if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags) || + !test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state)) return; input_free_polled_device(rt2x00dev->poll_dev); - rfkill_free(rt2x00dev->rfkill); + rt2x00dev->poll_dev = NULL; +} + +void rt2x00rfkill_resume(struct rt2x00_dev *rt2x00dev) +{ + if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags) || + !test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state)) + return; + + rt2x00dev->poll_dev = rt2x00rfkill_allocate_polldev(rt2x00dev); + if (!rt2x00dev->poll_dev) { + ERROR(rt2x00dev, "Failed to allocate polled device.\n"); + return; + } } diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index e808db98f2f5..93ea212fedd5 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -2302,9 +2302,9 @@ static void rt61pci_configure_filter(struct ieee80211_hw *hw, * Apply some rules to the filters: * - Some filters imply different filters to be set. * - Some things we can't filter out at all. + * - Multicast filter seems to kill broadcast traffic so never use it. */ - if (mc_count) - *total_flags |= FIF_ALLMULTI; + *total_flags |= FIF_ALLMULTI; if (*total_flags & FIF_OTHER_BSS || *total_flags & FIF_PROMISC_IN_BSS) *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 4fac2d414d84..3909cf42f472 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1869,9 +1869,9 @@ static void rt73usb_configure_filter(struct ieee80211_hw *hw, * Apply some rules to the filters: * - Some filters imply different filters to be set. * - Some things we can't filter out at all. + * - Multicast filter seems to kill broadcast traffic so never use it. */ - if (mc_count) - *total_flags |= FIF_ALLMULTI; + *total_flags |= FIF_ALLMULTI; if (*total_flags & FIF_OTHER_BSS || *total_flags & FIF_PROMISC_IN_BSS) *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; @@ -2095,9 +2095,12 @@ static struct usb_device_id rt73usb_device_table[] = { { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) }, /* Conceptronic */ { USB_DEVICE(0x14b2, 0x3c22), USB_DEVICE_DATA(&rt73usb_ops) }, + /* Corega */ + { USB_DEVICE(0x07aa, 0x002e), USB_DEVICE_DATA(&rt73usb_ops) }, /* D-Link */ { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) }, + { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) }, /* Gemtek */ { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) }, /* Gigabyte */ diff --git a/drivers/net/wireless/wavelan_cs.h b/drivers/net/wireless/wavelan_cs.h index fabc63ee153c..2e4bfe4147c6 100644 --- a/drivers/net/wireless/wavelan_cs.h +++ b/drivers/net/wireless/wavelan_cs.h @@ -309,7 +309,7 @@ struct mmw_t #define MMW_EXT_ANT_INTERNAL 0x00 /* Internal antenna */ #define MMW_EXT_ANT_EXTERNAL 0x03 /* External antenna */ #define MMW_EXT_ANT_IQ_TEST 0x1C /* IQ test pattern (set to 0) */ -}; +} __attribute__((packed)); /* Size for structure checking (if padding is correct) */ #define MMW_SIZE 37 diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c index de34aa9d3136..f9f9a5f1bbd0 100644 --- a/drivers/parisc/pdc_stable.c +++ b/drivers/parisc/pdc_stable.c @@ -829,7 +829,7 @@ static ssize_t pdcs_autoboot_write(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { - return pdcs_auto_write(kset, attr, buf, count, PF_AUTOBOOT); + return pdcs_auto_write(kobj, attr, buf, count, PF_AUTOBOOT); } /** @@ -845,7 +845,7 @@ static ssize_t pdcs_autosearch_write(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { - return pdcs_auto_write(kset, attr, buf, count, PF_AUTOSEARCH); + return pdcs_auto_write(kobj, attr, buf, count, PF_AUTOSEARCH); } /** @@ -1066,7 +1066,7 @@ pdc_stable_init(void) } /* Don't forget the root entries */ - error = sysfs_create_group(stable_kobj, pdcs_attr_group); + error = sysfs_create_group(stable_kobj, &pdcs_attr_group); /* register the paths kset as a child of the stable kset */ paths_kset = kset_create_and_add("paths", NULL, stable_kobj); diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index bdbe780e21c5..8c4d2c13d5f2 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -314,8 +314,8 @@ sba_dump_sg( struct ioc *ioc, struct scatterlist *startsg, int nents) #define RESMAP_MASK(n) (~0UL << (BITS_PER_LONG - (n))) #define RESMAP_IDX_MASK (sizeof(unsigned long) - 1) -unsigned long ptr_to_pide(struct ioc *ioc, unsigned long *res_ptr, - unsigned int bitshiftcnt) +static unsigned long ptr_to_pide(struct ioc *ioc, unsigned long *res_ptr, + unsigned int bitshiftcnt) { return (((unsigned long)res_ptr - (unsigned long)ioc->res_map) << 3) + bitshiftcnt; diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 6a9403d79e0c..d708358326e5 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -143,14 +143,18 @@ void pci_bus_add_devices(struct pci_bus *bus) /* register the bus with sysfs as the parent is now * properly registered. */ child_bus = dev->subordinate; + if (child_bus->is_added) + continue; child_bus->dev.parent = child_bus->bridge; retval = device_register(&child_bus->dev); if (retval) dev_err(&dev->dev, "Error registering pci_bus," " continuing...\n"); - else + else { + child_bus->is_added = 1; retval = device_create_file(&child_bus->dev, &dev_attr_cpuaffinity); + } if (retval) dev_err(&dev->dev, "Error creating cpuaffinity" " file, continuing...\n"); diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 7f4836b8e71e..5fa4ba0d9934 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -467,7 +467,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_ t_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset); t_slot->hpc_ops->get_adapter_status(t_slot, &value); /* Check if slot is occupied */ - if (value) { + if (value && pciehp_force) { rc = pciehp_enable_slot(t_slot); if (rc) /* -ENODEV: shouldn't happen, but deal with it */ value = 0; diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 977d29b32295..4cb949f0ebd9 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -1097,6 +1097,8 @@ static void iommu_free_domain(struct dmar_domain *domain) } static struct iova_domain reserved_iova_list; +static struct lock_class_key reserved_alloc_key; +static struct lock_class_key reserved_rbtree_key; static void dmar_init_reserved_ranges(void) { @@ -1107,6 +1109,11 @@ static void dmar_init_reserved_ranges(void) init_iova_domain(&reserved_iova_list, DMA_32BIT_PFN); + lockdep_set_class(&reserved_iova_list.iova_alloc_lock, + &reserved_alloc_key); + lockdep_set_class(&reserved_iova_list.iova_rbtree_lock, + &reserved_rbtree_key); + /* IOAPIC ranges shouldn't be accessed by DMA */ iova = reserve_iova(&reserved_iova_list, IOVA_PFN(IOAPIC_RANGE_START), IOVA_PFN(IOAPIC_RANGE_END)); diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 4a23654184fc..72f7476930c8 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -272,21 +272,29 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state) { acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev); acpi_handle tmp; - static int state_conv[] = { - [0] = 0, - [1] = 1, - [2] = 2, - [3] = 3, - [4] = 3 + static const u8 state_conv[] = { + [PCI_D0] = ACPI_STATE_D0, + [PCI_D1] = ACPI_STATE_D1, + [PCI_D2] = ACPI_STATE_D2, + [PCI_D3hot] = ACPI_STATE_D3, + [PCI_D3cold] = ACPI_STATE_D3 }; - int acpi_state = state_conv[(int __force) state]; if (!handle) return -ENODEV; /* If the ACPI device has _EJ0, ignore the device */ if (ACPI_SUCCESS(acpi_get_handle(handle, "_EJ0", &tmp))) return 0; - return acpi_bus_set_power(handle, acpi_state); + + switch (state) { + case PCI_D0: + case PCI_D1: + case PCI_D2: + case PCI_D3hot: + case PCI_D3cold: + return acpi_bus_set_power(handle, state_conv[state]); + } + return -EINVAL; } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 183fddaa38b7..a4445b7210bf 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -314,24 +314,6 @@ int pci_find_ht_capability(struct pci_dev *dev, int ht_cap) } EXPORT_SYMBOL_GPL(pci_find_ht_capability); -void pcie_wait_pending_transaction(struct pci_dev *dev) -{ - int pos; - u16 reg16; - - pos = pci_find_capability(dev, PCI_CAP_ID_EXP); - if (!pos) - return; - while (1) { - pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, ®16); - if (!(reg16 & PCI_EXP_DEVSTA_TRPND)) - break; - cpu_relax(); - } - -} -EXPORT_SYMBOL_GPL(pcie_wait_pending_transaction); - /** * pci_find_parent_resource - return resource region of parent bus of given region * @dev: PCI device structure contains resources to be searched @@ -936,9 +918,6 @@ pci_disable_device(struct pci_dev *dev) if (atomic_sub_return(1, &dev->enable_cnt) != 0) return; - /* Wait for all transactions are finished before disabling the device */ - pcie_wait_pending_transaction(dev); - pci_read_config_word(dev, PCI_COMMAND, &pci_command); if (pci_command & PCI_COMMAND_MASTER) { pci_command &= ~PCI_COMMAND_MASTER; diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index e9a333d98552..e887aa45c9cd 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -951,6 +951,12 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82375, quirk_e * accesses to the SMBus registers, with potentially bad effects. Thus you * should be very careful when adding new entries: if SMM is accessing the * Intel SMBus, this is a very good reason to leave it hidden. + * + * Likewise, many recent laptops use ACPI for thermal management. If the + * ACPI DSDT code accesses the SMBus, then Linux should not access it + * natively, and keeping the SMBus hidden is the right thing to do. If you + * are about to add an entry in the table below, please first disassemble + * the DSDT and double-check that there is no code accessing the SMBus. */ static int asus_hides_smbus; @@ -1028,11 +1034,6 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev) case 0x12bf: /* HP xw4100 */ asus_hides_smbus = 1; } - else if (dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB) - switch (dev->subsystem_device) { - case 0x099c: /* HP Compaq nx6110 */ - asus_hides_smbus = 1; - } } else if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG)) { if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB) switch(dev->subsystem_device) { diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 125e7b7f34ff..f7cb8e0758b4 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -486,12 +486,7 @@ void __ref pci_bus_size_bridges(struct pci_bus *bus) break; case PCI_CLASS_BRIDGE_PCI: - /* don't size subtractive decoding (transparent) - * PCI-to-PCI bridges */ - if (bus->self->transparent) - break; pci_bridge_check_ranges(bus); - /* fall through */ default: pbus_size_io(bus); /* If the bridge supports prefetchable range, size it diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index 2c925b7cd93e..257f5d827d83 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -88,6 +88,15 @@ MODULE_LICENSE("GPL"); #define _LTAG_MEM32RANGE 0x85 #define _LTAG_FIXEDMEM32RANGE 0x86 +/* + * Sizes of ISAPNP logical device configuration register sets. + * See PNP-ISA-v1.0a.pdf, Appendix A. + */ +#define ISAPNP_MAX_MEM 4 +#define ISAPNP_MAX_PORT 8 +#define ISAPNP_MAX_IRQ 2 +#define ISAPNP_MAX_DMA 2 + static unsigned char isapnp_checksum_value; static DEFINE_MUTEX(isapnp_cfg_mutex); static int isapnp_csn_count; @@ -945,14 +954,14 @@ static int isapnp_read_resources(struct pnp_dev *dev, dev->active = isapnp_read_byte(ISAPNP_CFG_ACTIVATE); if (dev->active) { - for (tmp = 0; tmp < PNP_MAX_PORT; tmp++) { + for (tmp = 0; tmp < ISAPNP_MAX_PORT; tmp++) { ret = isapnp_read_word(ISAPNP_CFG_PORT + (tmp << 1)); if (!ret) continue; res->port_resource[tmp].start = ret; res->port_resource[tmp].flags = IORESOURCE_IO; } - for (tmp = 0; tmp < PNP_MAX_MEM; tmp++) { + for (tmp = 0; tmp < ISAPNP_MAX_MEM; tmp++) { ret = isapnp_read_word(ISAPNP_CFG_MEM + (tmp << 3)) << 8; if (!ret) @@ -960,7 +969,7 @@ static int isapnp_read_resources(struct pnp_dev *dev, res->mem_resource[tmp].start = ret; res->mem_resource[tmp].flags = IORESOURCE_MEM; } - for (tmp = 0; tmp < PNP_MAX_IRQ; tmp++) { + for (tmp = 0; tmp < ISAPNP_MAX_IRQ; tmp++) { ret = (isapnp_read_word(ISAPNP_CFG_IRQ + (tmp << 1)) >> 8); @@ -970,7 +979,7 @@ static int isapnp_read_resources(struct pnp_dev *dev, res->irq_resource[tmp].end = ret; res->irq_resource[tmp].flags = IORESOURCE_IRQ; } - for (tmp = 0; tmp < PNP_MAX_DMA; tmp++) { + for (tmp = 0; tmp < ISAPNP_MAX_DMA; tmp++) { ret = isapnp_read_byte(ISAPNP_CFG_DMA + tmp); if (ret == 4) continue; @@ -1002,14 +1011,14 @@ static int isapnp_set_resources(struct pnp_dev *dev, isapnp_cfg_begin(dev->card->number, dev->number); dev->active = 1; for (tmp = 0; - tmp < PNP_MAX_PORT + tmp < ISAPNP_MAX_PORT && (res->port_resource[tmp]. flags & (IORESOURCE_IO | IORESOURCE_UNSET)) == IORESOURCE_IO; tmp++) isapnp_write_word(ISAPNP_CFG_PORT + (tmp << 1), res->port_resource[tmp].start); for (tmp = 0; - tmp < PNP_MAX_IRQ + tmp < ISAPNP_MAX_IRQ && (res->irq_resource[tmp]. flags & (IORESOURCE_IRQ | IORESOURCE_UNSET)) == IORESOURCE_IRQ; tmp++) { @@ -1019,14 +1028,14 @@ static int isapnp_set_resources(struct pnp_dev *dev, isapnp_write_byte(ISAPNP_CFG_IRQ + (tmp << 1), irq); } for (tmp = 0; - tmp < PNP_MAX_DMA + tmp < ISAPNP_MAX_DMA && (res->dma_resource[tmp]. flags & (IORESOURCE_DMA | IORESOURCE_UNSET)) == IORESOURCE_DMA; tmp++) isapnp_write_byte(ISAPNP_CFG_DMA + tmp, res->dma_resource[tmp].start); for (tmp = 0; - tmp < PNP_MAX_MEM + tmp < ISAPNP_MAX_MEM && (res->mem_resource[tmp]. flags & (IORESOURCE_MEM | IORESOURCE_UNSET)) == IORESOURCE_MEM; tmp++) diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index 6aa231ef642d..2dcd1960aca8 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -85,7 +85,7 @@ static void pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res, i < PNP_MAX_IRQ) i++; if (i >= PNP_MAX_IRQ && !warned) { - printk(KERN_ERR "pnpacpi: exceeded the max number of IRQ " + printk(KERN_WARNING "pnpacpi: exceeded the max number of IRQ " "resources: %d \n", PNP_MAX_IRQ); warned = 1; return; @@ -187,7 +187,7 @@ static void pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res, res->dma_resource[i].start = dma; res->dma_resource[i].end = dma; } else if (!warned) { - printk(KERN_ERR "pnpacpi: exceeded the max number of DMA " + printk(KERN_WARNING "pnpacpi: exceeded the max number of DMA " "resources: %d \n", PNP_MAX_DMA); warned = 1; } @@ -213,7 +213,7 @@ static void pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res, res->port_resource[i].start = io; res->port_resource[i].end = io + len - 1; } else if (!warned) { - printk(KERN_ERR "pnpacpi: exceeded the max number of IO " + printk(KERN_WARNING "pnpacpi: exceeded the max number of IO " "resources: %d \n", PNP_MAX_PORT); warned = 1; } @@ -241,7 +241,7 @@ static void pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res, res->mem_resource[i].start = mem; res->mem_resource[i].end = mem + len - 1; } else if (!warned) { - printk(KERN_ERR "pnpacpi: exceeded the max number of mem " + printk(KERN_WARNING "pnpacpi: exceeded the max number of mem " "resources: %d\n", PNP_MAX_MEM); warned = 1; } diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c index 4065139753b6..37993206ae5d 100644 --- a/drivers/pnp/quirks.c +++ b/drivers/pnp/quirks.c @@ -17,7 +17,6 @@ #include <linux/slab.h> #include <linux/pnp.h> #include <linux/io.h> -#include <linux/dmi.h> #include <linux/kallsyms.h> #include "base.h" @@ -109,42 +108,73 @@ static void quirk_sb16audio_resources(struct pnp_dev *dev) "pnp: SB audio device quirk - increasing port range\n"); } -static void quirk_supermicro_h8dce_system(struct pnp_dev *dev) + +#include <linux/pci.h> + +static void quirk_system_pci_resources(struct pnp_dev *dev) { - int i; - static struct dmi_system_id supermicro_h8dce[] = { - { - .ident = "Supermicro H8DCE", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Supermicro"), - DMI_MATCH(DMI_PRODUCT_NAME, "H8DCE"), - }, - }, - { } - }; - - if (!dmi_check_system(supermicro_h8dce)) - return; + struct pci_dev *pdev = NULL; + resource_size_t pnp_start, pnp_end, pci_start, pci_end; + int i, j; /* - * On the Supermicro H8DCE, there's a system device with resources - * that overlap BAR 6 of the built-in SATA PCI adapter. If the PNP - * system device claims them, the sata_nv driver won't be able to. - * More details at: - * https://bugzilla.redhat.com/show_bug.cgi?id=280641 - * https://bugzilla.redhat.com/show_bug.cgi?id=313491 - * http://lkml.org/lkml/2008/1/9/449 - * http://thread.gmane.org/gmane.linux.acpi.devel/27312 + * Some BIOSes have PNP motherboard devices with resources that + * partially overlap PCI BARs. The PNP system driver claims these + * motherboard resources, which prevents the normal PCI driver from + * requesting them later. + * + * This patch disables the PNP resources that conflict with PCI BARs + * so they won't be claimed by the PNP system driver. */ - for (i = 0; i < PNP_MAX_MEM; i++) { - if (pnp_mem_valid(dev, i) && pnp_mem_len(dev, i) && - (pnp_mem_start(dev, i) & 0xdfef0000) == 0xdfef0000) { - dev_warn(&dev->dev, "disabling 0x%llx-0x%llx to prevent" - " conflict with sata_nv PCI device\n", - (unsigned long long) pnp_mem_start(dev, i), - (unsigned long long) (pnp_mem_start(dev, i) + - pnp_mem_len(dev, i) - 1)); - pnp_mem_flags(dev, i) = 0; + for_each_pci_dev(pdev) { + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + if (!(pci_resource_flags(pdev, i) & IORESOURCE_MEM) || + pci_resource_len(pdev, i) == 0) + continue; + + pci_start = pci_resource_start(pdev, i); + pci_end = pci_resource_end(pdev, i); + for (j = 0; j < PNP_MAX_MEM; j++) { + if (!pnp_mem_valid(dev, j) || + pnp_mem_len(dev, j) == 0) + continue; + + pnp_start = pnp_mem_start(dev, j); + pnp_end = pnp_mem_end(dev, j); + + /* + * If the PNP region doesn't overlap the PCI + * region at all, there's no problem. + */ + if (pnp_end < pci_start || pnp_start > pci_end) + continue; + + /* + * If the PNP region completely encloses (or is + * at least as large as) the PCI region, that's + * also OK. For example, this happens when the + * PNP device describes a bridge with PCI + * behind it. + */ + if (pnp_start <= pci_start && + pnp_end >= pci_end) + continue; + + /* + * Otherwise, the PNP region overlaps *part* of + * the PCI region, and that might prevent a PCI + * driver from requesting its resources. + */ + dev_warn(&dev->dev, "mem resource " + "(0x%llx-0x%llx) overlaps %s BAR %d " + "(0x%llx-0x%llx), disabling\n", + (unsigned long long) pnp_start, + (unsigned long long) pnp_end, + pci_name(pdev), i, + (unsigned long long) pci_start, + (unsigned long long) pci_end); + pnp_mem_flags(dev, j) = 0; + } } } } @@ -169,8 +199,8 @@ static struct pnp_fixup pnp_fixups[] = { {"CTL0043", quirk_sb16audio_resources}, {"CTL0044", quirk_sb16audio_resources}, {"CTL0045", quirk_sb16audio_resources}, - {"PNP0c01", quirk_supermicro_h8dce_system}, - {"PNP0c02", quirk_supermicro_h8dce_system}, + {"PNP0c01", quirk_system_pci_resources}, + {"PNP0c02", quirk_system_pci_resources}, {""} }; diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 82f5ad9c3af4..9e7de63b26ef 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -16,7 +16,7 @@ menuconfig RTC_CLASS probably want to enable one or more of the interfaces below. This driver can also be built as a module. If so, the module - will be called rtc-class. + will be called rtc-core. if RTC_CLASS diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c index bbf10ecf416c..56728a2a3385 100644 --- a/drivers/rtc/rtc-at91sam9.c +++ b/drivers/rtc/rtc-at91sam9.c @@ -274,7 +274,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *_rtc) * SR clears it, so we must only read it in this irq handler! */ mr = rtt_readl(rtc, MR) & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN); - sr = rtt_readl(rtc, SR) & mr; + sr = rtt_readl(rtc, SR) & (mr >> 16); if (!sr) return IRQ_NONE; @@ -321,6 +321,10 @@ static int __init at91_rtc_probe(struct platform_device *pdev) if (!rtc) return -ENOMEM; + /* platform setup code should have handled this; sigh */ + if (!device_can_wakeup(&pdev->dev)) + device_init_wakeup(&pdev->dev, 1); + platform_set_drvdata(pdev, rtc); rtc->rtt = (void __force __iomem *) (AT91_VA_BASE_SYS - AT91_BASE_SYS); rtc->rtt += r->start; diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index c46666a24809..b9d374082b65 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -325,7 +325,7 @@ menuconfig SCSI_LOWLEVEL depends on SCSI!=n default y -if SCSI_LOWLEVEL +if SCSI_LOWLEVEL && SCSI config ISCSI_TCP tristate "iSCSI Initiator over TCP/IP" diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c index f608d4a1d6da..792b2e807bf3 100644 --- a/drivers/scsi/a100u2w.c +++ b/drivers/scsi/a100u2w.c @@ -674,12 +674,13 @@ static struct orc_scb *__orc_alloc_scb(struct orc_host * host) for (index = 0; index < 32; index++) { if ((host->allocation_map[channel][i] >> index) & 0x01) { host->allocation_map[channel][i] &= ~(1 << index); - break; + idx = index + 32 * i; + /* + * Translate the index to a structure instance + */ + return host->scb_virt + idx; } } - idx = index + 32 * i; - /* Translate the index to a structure instance */ - return (struct orc_scb *) ((unsigned long) host->scb_virt + (idx * sizeof(struct orc_scb))); } return NULL; } diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index 3c2d6888bb8c..8591585e5cc5 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -6439,7 +6439,7 @@ static int AdvLoadMicrocode(AdvPortAddr iop_base, unsigned char *buf, int size, i += 2; len += 2; } else { - unsigned char off = buf[i] * 2; + unsigned int off = buf[i] * 2; unsigned short word = (buf[off + 1] << 8) | buf[off]; AdvWriteWordAutoIncLram(iop_base, word); len += 2; diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h index 0393707bdfce..3288be2e49f8 100644 --- a/drivers/scsi/arcmsr/arcmsr.h +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -341,13 +341,13 @@ struct MessageUnit_B uint32_t done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE]; uint32_t postq_index; uint32_t doneq_index; - uint32_t __iomem *drv2iop_doorbell_reg; - uint32_t __iomem *drv2iop_doorbell_mask_reg; - uint32_t __iomem *iop2drv_doorbell_reg; - uint32_t __iomem *iop2drv_doorbell_mask_reg; - uint32_t __iomem *msgcode_rwbuffer_reg; - uint32_t __iomem *ioctl_wbuffer_reg; - uint32_t __iomem *ioctl_rbuffer_reg; + void __iomem *drv2iop_doorbell_reg; + void __iomem *drv2iop_doorbell_mask_reg; + void __iomem *iop2drv_doorbell_reg; + void __iomem *iop2drv_doorbell_mask_reg; + void __iomem *msgcode_rwbuffer_reg; + void __iomem *ioctl_wbuffer_reg; + void __iomem *ioctl_rbuffer_reg; }; /* diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index 27ebd336409b..0b2080d33575 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -493,6 +493,12 @@ int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd, char *cmnd, if (!scp) return -ENOMEM; + scp->sense_buffer = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); + if (!scp->sense_buffer) { + kfree(scp); + return -ENOMEM; + } + scp->device = sdev; memset(&cmndinfo, 0, sizeof(cmndinfo)); @@ -513,6 +519,7 @@ int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd, char *cmnd, rval = cmndinfo.status; if (info) *info = cmndinfo.info; + kfree(scp->sense_buffer); kfree(scp); return rval; } diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index ba21d97d1855..f40898dc2d14 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -2162,10 +2162,15 @@ void sdev_evt_send(struct scsi_device *sdev, struct scsi_event *evt) { unsigned long flags; +#if 0 + /* FIXME: currently this check eliminates all media change events + * for polled devices. Need to update to discriminate between AN + * and polled events */ if (!test_bit(evt->evt_type, sdev->supported_events)) { kfree(evt); return; } +#endif spin_lock_irqsave(&sdev->list_lock, flags); list_add_tail(&evt->node, &sdev->event_list); diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index ed83cdb6e67d..b9b09a704584 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -294,6 +294,7 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work) } if (sdev->request_queue) { + bsg_unregister_queue(sdev->request_queue); sdev->request_queue->queuedata = NULL; /* user context needed to free queue */ scsi_free_queue(sdev->request_queue); @@ -857,7 +858,6 @@ void __scsi_remove_device(struct scsi_device *sdev) if (scsi_device_set_state(sdev, SDEV_CANCEL) != 0) return; - bsg_unregister_queue(sdev->request_queue); class_device_unregister(&sdev->sdev_classdev); transport_remove_device(dev); device_del(dev); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 7aee64dbfbeb..5fe7aaed904c 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1654,6 +1654,7 @@ static int sd_probe(struct device *dev) sdkp->disk = gd; sdkp->index = index; sdkp->openers = 0; + sdkp->previous_state = 1; if (!sdp->timeout) { if (sdp->type != TYPE_MOD) diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 208565bdbe8e..7ee86d4a7618 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -623,6 +623,7 @@ static int sr_probe(struct device *dev) cd->disk = disk; cd->capacity = 0x1fffff; cd->device->changed = 1; /* force recheck CD type */ + cd->previous_state = 1; cd->use = 1; cd->readcd_known = 0; cd->readcd_cdda = 0; diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index a8bec498cad6..f97224ce59da 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -1214,13 +1214,6 @@ static struct pciserial_board pci_boards[] __devinitdata = { .base_baud = 115200, .uart_offset = 8, }, - [pbn_b0_8_115200] = { - .flags = FL_BASE0, - .num_ports = 8, - .base_baud = 115200, - .uart_offset = 8, - }, - [pbn_b0_1_921600] = { .flags = FL_BASE0, .num_ports = 1, diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index a8c116b80bff..9d244d1644e1 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -414,12 +414,12 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) defined(CONFIG_CPU_SUBTYPE_SH7785) static inline int scif_txroom(struct uart_port *port) { - return SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0x7f); + return SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0xff); } static inline int scif_rxroom(struct uart_port *port) { - return sci_in(port, SCRFDR) & 0x7f; + return sci_in(port, SCRFDR) & 0xff; } #else static inline int scif_txroom(struct uart_port *port) diff --git a/drivers/sn/ioc3.c b/drivers/sn/ioc3.c index 29fcd6d0301d..a0aa33dde0a4 100644 --- a/drivers/sn/ioc3.c +++ b/drivers/sn/ioc3.c @@ -561,7 +561,7 @@ void ioc3_unregister_submodule(struct ioc3_submodule *is) printk(KERN_WARNING "%s: IOC3 submodule %s remove failed " "for pci_dev %s.\n", - __FUNCTION__, module_name(is->owner), + __func__, module_name(is->owner), pci_name(idd->pdev)); idd->active[is->id] = 0; if(is->irq_mask) @@ -611,7 +611,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) if ((ret = pci_enable_device(pdev))) { printk(KERN_WARNING "%s: Failed to enable IOC3 device for pci_dev %s.\n", - __FUNCTION__, pci_name(pdev)); + __func__, pci_name(pdev)); goto out; } pci_set_master(pdev); @@ -623,7 +623,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) if (ret < 0) { printk(KERN_WARNING "%s: Unable to obtain 64 bit DMA " "for consistent allocations\n", - __FUNCTION__); + __func__); } } #endif @@ -633,7 +633,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) if (!idd) { printk(KERN_WARNING "%s: Failed to allocate IOC3 data for pci_dev %s.\n", - __FUNCTION__, pci_name(pdev)); + __func__, pci_name(pdev)); ret = -ENODEV; goto out_idd; } @@ -649,7 +649,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) printk(KERN_WARNING "%s: Unable to find IOC3 resource " "for pci_dev %s.\n", - __FUNCTION__, pci_name(pdev)); + __func__, pci_name(pdev)); ret = -ENODEV; goto out_pci; } @@ -657,7 +657,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) printk(KERN_WARNING "%s: Unable to request IOC3 region " "for pci_dev %s.\n", - __FUNCTION__, pci_name(pdev)); + __func__, pci_name(pdev)); ret = -ENODEV; goto out_pci; } @@ -666,7 +666,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) printk(KERN_WARNING "%s: Unable to remap IOC3 region " "for pci_dev %s.\n", - __FUNCTION__, pci_name(pdev)); + __func__, pci_name(pdev)); ret = -ENODEV; goto out_misc_region; } @@ -709,7 +709,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) } else { printk(KERN_WARNING "%s : request_irq fails for IRQ 0x%x\n ", - __FUNCTION__, pdev->irq); + __func__, pdev->irq); } if (!request_irq(pdev->irq+2, ioc3_intr_io, IRQF_SHARED, "ioc3-io", (void *)idd)) { @@ -717,7 +717,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) } else { printk(KERN_WARNING "%s : request_irq fails for IRQ 0x%x\n ", - __FUNCTION__, pdev->irq+2); + __func__, pdev->irq+2); } } else { if (!request_irq(pdev->irq, ioc3_intr_io, IRQF_SHARED, @@ -726,7 +726,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) } else { printk(KERN_WARNING "%s : request_irq fails for IRQ 0x%x\n ", - __FUNCTION__, pdev->irq); + __func__, pdev->irq); } } @@ -769,7 +769,7 @@ static void ioc3_remove(struct pci_dev *pdev) printk(KERN_WARNING "%s: IOC3 submodule 0x%s remove failed " "for pci_dev %s.\n", - __FUNCTION__, + __func__, module_name(ioc3_submodules[id]->owner), pci_name(pdev)); idd->active[id] = 0; diff --git a/drivers/spi/au1550_spi.c b/drivers/spi/au1550_spi.c index c47a650183a1..41a3d00c4515 100644 --- a/drivers/spi/au1550_spi.c +++ b/drivers/spi/au1550_spi.c @@ -99,7 +99,7 @@ static dbdev_tab_t au1550_spi_mem_dbdev = static void au1550_spi_bits_handlers_set(struct au1550_spi *hw, int bpw); -/** +/* * compute BRG and DIV bits to setup spi clock based on main input clock rate * that was specified in platform data structure * according to au1550 datasheet: @@ -650,7 +650,7 @@ static int au1550_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t) return hw->txrx_bufs(spi, t); } -static irqreturn_t au1550_spi_irq(int irq, void *dev, struct pt_regs *regs) +static irqreturn_t au1550_spi_irq(int irq, void *dev) { struct au1550_spi *hw = dev; return hw->irq_callback(hw); diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c index f7f8580edad8..71e881419cdd 100644 --- a/drivers/spi/spi_bitbang.c +++ b/drivers/spi/spi_bitbang.c @@ -344,12 +344,14 @@ static void bitbang_work(struct work_struct *work) t->rx_dma = t->tx_dma = 0; status = bitbang->txrx_bufs(spi, t); } + if (status > 0) + m->actual_length += status; if (status != t->len) { - if (status > 0) - status = -EMSGSIZE; + /* always report some kind of error */ + if (status >= 0) + status = -EREMOTEIO; break; } - m->actual_length += status; status = 0; /* protocol tweaks before next transfer */ diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 69f19f224875..17e71d56f31e 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -4,7 +4,6 @@ menuconfig THERMAL bool "Generic Thermal sysfs driver" - default y help Generic Thermal Sysfs driver offers a generic mechanism for thermal management. Usually it's made up of one or more thermal diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index e8a01f264540..11759080ca54 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -470,6 +470,8 @@ static int uio_mmap_physical(struct vm_area_struct *vma) vma->vm_flags |= VM_IO | VM_RESERVED; + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + return remap_pfn_range(vma, vma->vm_start, idev->info->mem[mi].addr >> PAGE_SHIFT, diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index fefb92296e8f..c311f67b7f08 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1206,7 +1206,10 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) return -EINVAL; } - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + if (dev->quirks & USB_QUIRK_NO_SET_INTF) + ret = -EPIPE; + else + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, alternate, interface, NULL, 0, 5000); diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index d9d1eb19f2a1..dfc5418ea10c 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -50,6 +50,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* M-Systems Flash Disk Pioneers */ { USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME }, + /* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */ + { USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF }, + /* Action Semiconductor flash disk */ { USB_DEVICE(0x10d6, 0x2200), .driver_info = USB_QUIRK_STRING_FETCH_255 }, diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 805602a687cb..0a6feafc8d28 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1458,7 +1458,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) /* currently one config, two speeds */ case USB_REQ_SET_CONFIGURATION: if (ctrl->bRequestType != 0) - break; + goto unrecognized; if (0 == (u8) w_value) { value = 0; dev->current_config = 0; @@ -1505,7 +1505,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) /* PXA automagically handles this request too */ case USB_REQ_GET_CONFIGURATION: if (ctrl->bRequestType != 0x80) - break; + goto unrecognized; *(u8 *)req->buf = dev->current_config; value = min (w_length, (u16) 1); break; diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 3ba01664f821..72ccd56e36dd 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -152,6 +152,20 @@ static int ehci_pci_setup(struct usb_hcd *hcd) break; } break; + case PCI_VENDOR_ID_VIA: + if (pdev->device == 0x3104 && (pdev->revision & 0xf0) == 0x60) { + u8 tmp; + + /* The VT6212 defaults to a 1 usec EHCI sleep time which + * hogs the PCI bus *badly*. Setting bit 5 of 0x4B makes + * that sleep time use the conventional 10 usec. + */ + pci_read_config_byte(pdev, 0x4b, &tmp); + if (tmp & 0x20) + break; + pci_write_config_byte(pdev, 0x4b, tmp | 0x20); + } + break; } ehci_reset(ehci); diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index ae3ec1a64008..2af778555bdc 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -55,6 +55,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_DCU11) }, { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ3) }, { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_PHAROS) }, + { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ALDIGA) }, { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) }, { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) }, { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) }, diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 237a41f6638a..10cf872e5ecb 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -13,6 +13,7 @@ #define PL2303_PRODUCT_ID_DCU11 0x1234 #define PL2303_PRODUCT_ID_PHAROS 0xaaa0 #define PL2303_PRODUCT_ID_RSAQ3 0xaaa2 +#define PL2303_PRODUCT_ID_ALDIGA 0x0611 #define ATEN_VENDOR_ID 0x0557 #define ATEN_VENDOR_ID2 0x0547 diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index e3d44ae8d448..ed678811e6a6 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -14,7 +14,7 @@ Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org> */ -#define DRIVER_VERSION "v.1.2.7" +#define DRIVER_VERSION "v.1.2.8" #define DRIVER_AUTHOR "Kevin Lloyd <linux@sierrawireless.com>" #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems" @@ -163,6 +163,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */ { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */ { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Thinkpad internal) */ + { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */ { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */ { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/ { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/ @@ -196,9 +197,9 @@ struct sierra_port_private { spinlock_t lock; /* lock the structure */ int outstanding_urbs; /* number of out urbs in flight */ - /* Input endpoints and buffer for this port */ + /* Input endpoints and buffers for this port */ struct urb *in_urbs[N_IN_URB]; - char in_buffer[N_IN_URB][IN_BUFLEN]; + char *in_buffer[N_IN_URB]; /* Settings for the port */ int rts_state; /* Handshaking pins (outputs) */ @@ -638,6 +639,15 @@ static int sierra_startup(struct usb_serial *serial) return -ENOMEM; } spin_lock_init(&portdata->lock); + for (j = 0; j < N_IN_URB; j++) { + portdata->in_buffer[j] = kmalloc(IN_BUFLEN, GFP_KERNEL); + if (!portdata->in_buffer[j]) { + for (--j; j >= 0; j--) + kfree(portdata->in_buffer[j]); + kfree(portdata); + return -ENOMEM; + } + } usb_set_serial_port_data(port, portdata); @@ -681,7 +691,7 @@ static void sierra_shutdown(struct usb_serial *serial) for (j = 0; j < N_IN_URB; j++) { usb_kill_urb(portdata->in_urbs[j]); usb_free_urb(portdata->in_urbs[j]); - portdata->in_urbs[j] = NULL; + kfree(portdata->in_buffer[j]); } kfree(portdata); usb_set_serial_port_data(port, NULL); diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c index 2ae1e8673b19..971d13dd5e65 100644 --- a/drivers/usb/storage/isd200.c +++ b/drivers/usb/storage/isd200.c @@ -1230,6 +1230,7 @@ static int isd200_get_inquiry_data( struct us_data *us ) /* Free driver structure */ us->extra_destructor(info); + kfree(info); us->extra = NULL; us->extra_destructor = NULL; } @@ -1469,6 +1470,7 @@ static void isd200_free_info_ptrs(void *info_) if (info) { kfree(info->id); kfree(info->RegsBuf); + kfree(info->srb.sense_buffer); } } @@ -1494,7 +1496,9 @@ static int isd200_init_info(struct us_data *us) kzalloc(sizeof(struct hd_driveid), GFP_KERNEL); info->RegsBuf = (unsigned char *) kmalloc(sizeof(info->ATARegs), GFP_KERNEL); - if (!info->id || !info->RegsBuf) { + info->srb.sense_buffer = + kmalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); + if (!info->id || !info->RegsBuf || !info->srb.sense_buffer) { isd200_free_info_ptrs(info); kfree(info); retStatus = ISD200_ERROR; diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index 5780ed15f1ad..bdd4334bed5a 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -1009,7 +1009,8 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) US_DEBUGP("Bulk Status S 0x%x T 0x%x R %u Stat 0x%x\n", le32_to_cpu(bcs->Signature), bcs->Tag, residue, bcs->Status); - if (bcs->Tag != us->tag || bcs->Status > US_BULK_STAT_PHASE) { + if (!(bcs->Tag == us->tag || (us->flags & US_FL_BULK_IGNORE_TAG)) || + bcs->Status > US_BULK_STAT_PHASE) { US_DEBUGP("Bulk logical error\n"); return USB_STOR_TRANSPORT_ERROR; } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 99679a8cfa02..e5219a56947c 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1589,6 +1589,17 @@ UNUSUAL_DEV( 0x22b8, 0x4810, 0x0001, 0x0001, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_FIX_CAPACITY), +/* + * Patch by Constantin Baranov <const@tltsu.ru> + * Report by Andreas Koenecke. + * Motorola ROKR Z6. + */ +UNUSUAL_DEV( 0x22b8, 0x6426, 0x0101, 0x0101, + "Motorola", + "MSnc.", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_FIX_INQUIRY | US_FL_FIX_CAPACITY | US_FL_BULK_IGNORE_TAG), + /* Reported by Radovan Garabik <garabik@kassiopeia.juls.savba.sk> */ UNUSUAL_DEV( 0x2735, 0x100b, 0x0000, 0x9999, "MPIO", diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index e0b0580705e4..1bd5fb30237d 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1893,6 +1893,20 @@ config FB_XILINX framebuffer. ML300 carries a 640*480 LCD display on the board, ML403 uses a standard DB15 VGA connector. +config FB_METRONOME + tristate "Metronome display controller support" + depends on FB && ARCH_PXA && MMU + select FB_SYS_FILLRECT + select FB_SYS_COPYAREA + select FB_SYS_IMAGEBLIT + select FB_SYS_FOPS + select FB_DEFERRED_IO + help + This enables support for the Metronome display controller. Tested + with an E-Ink 800x600 display and Gumstix Connex through an AMLCD + interface. Please read <file:Documentation/fb/metronomefb.txt> + for more information. + config FB_VIRTUAL tristate "Virtual Frame Buffer support (ONLY FOR TESTING!)" depends on FB diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 03371c789039..11c0e5e05f21 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -103,6 +103,7 @@ obj-$(CONFIG_FB_PMAG_AA) += pmag-aa-fb.o obj-$(CONFIG_FB_PMAG_BA) += pmag-ba-fb.o obj-$(CONFIG_FB_PMAGB_B) += pmagb-b-fb.o obj-$(CONFIG_FB_MAXINE) += maxinefb.o +obj-$(CONFIG_FB_METRONOME) += metronomefb.o obj-$(CONFIG_FB_S1D13XXX) += s1d13xxxfb.o obj-$(CONFIG_FB_IMX) += imxfb.o obj-$(CONFIG_FB_S3C2410) += s3c2410fb.o diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index 986a550c0439..eefba3d0e4b9 100644 --- a/drivers/video/bf54x-lq043fb.c +++ b/drivers/video/bf54x-lq043fb.c @@ -384,7 +384,7 @@ static int bfin_bf54x_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) * Other flags can be set, and are documented in * include/linux/mm.h */ - vma->vm_flags |= VM_MAYSHARE; + vma->vm_flags |= VM_MAYSHARE | VM_SHARED; return 0; } diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c index a2bb2de9e020..135d6dd7e672 100644 --- a/drivers/video/bfin-t350mcqb-fb.c +++ b/drivers/video/bfin-t350mcqb-fb.c @@ -91,6 +91,7 @@ struct bfin_t350mcqbfb_info { int lq043_open_cnt; int irq; spinlock_t lock; /* lock */ + u32 pseudo_pal[16]; }; static int nocursor; @@ -182,13 +183,13 @@ static void bfin_t350mcqb_config_dma(struct bfin_t350mcqbfb_info *fbi) } -static int bfin_t350mcqb_request_ports(int action) -{ - u16 ppi0_req_8[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, +static u16 ppi0_req_8[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3, P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7, 0}; +static int bfin_t350mcqb_request_ports(int action) +{ if (action) { if (peripheral_request_list(ppi0_req_8, DRIVER_NAME)) { printk(KERN_ERR "Requesting Peripherals faild\n"); @@ -301,7 +302,7 @@ static int bfin_t350mcqb_fb_mmap(struct fb_info *info, struct vm_area_struct *vm * Other flags can be set, and are documented in * include/linux/mm.h */ - vma->vm_flags |= VM_MAYSHARE; + vma->vm_flags |= VM_MAYSHARE | VM_SHARED; return 0; } @@ -520,16 +521,7 @@ static int __init bfin_t350mcqb_probe(struct platform_device *pdev) fbinfo->fbops = &bfin_t350mcqb_fb_ops; - fbinfo->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL); - if (!fbinfo->pseudo_palette) { - printk(KERN_ERR DRIVER_NAME - "Fail to allocate pseudo_palette\n"); - - ret = -ENOMEM; - goto out4; - } - - memset(fbinfo->pseudo_palette, 0, sizeof(u32) * 16); + fbinfo->pseudo_palette = &info->pseudo_pal; if (fb_alloc_cmap(&fbinfo->cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0) < 0) { @@ -537,7 +529,7 @@ static int __init bfin_t350mcqb_probe(struct platform_device *pdev) "Fail to allocate colormap (%d entries)\n", BFIN_LCD_NBR_PALETTE_ENTRIES); ret = -EFAULT; - goto out5; + goto out4; } if (bfin_t350mcqb_request_ports(1)) { @@ -552,11 +544,11 @@ static int __init bfin_t350mcqb_probe(struct platform_device *pdev) goto out7; } - if (request_irq(info->irq, (void *)bfin_t350mcqb_irq_error, IRQF_DISABLED, - "PPI ERROR", info) < 0) { + ret = request_irq(info->irq, bfin_t350mcqb_irq_error, IRQF_DISABLED, + "PPI ERROR", info); + if (ret < 0) { printk(KERN_ERR DRIVER_NAME ": unable to request PPI ERROR IRQ\n"); - ret = -EFAULT; goto out7; } @@ -584,8 +576,6 @@ out7: bfin_t350mcqb_request_ports(0); out6: fb_dealloc_cmap(&fbinfo->cmap); -out5: - kfree(fbinfo->pseudo_palette); out4: dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer, info->dma_handle); @@ -605,6 +595,8 @@ static int bfin_t350mcqb_remove(struct platform_device *pdev) struct fb_info *fbinfo = platform_get_drvdata(pdev); struct bfin_t350mcqbfb_info *info = fbinfo->par; + unregister_framebuffer(fbinfo); + free_dma(CH_PPI); free_irq(info->irq, info); @@ -612,7 +604,6 @@ static int bfin_t350mcqb_remove(struct platform_device *pdev) dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer, info->dma_handle); - kfree(fbinfo->pseudo_palette); fb_dealloc_cmap(&fbinfo->cmap); #ifndef NO_BL_SUPPORT @@ -620,10 +611,11 @@ static int bfin_t350mcqb_remove(struct platform_device *pdev) backlight_device_unregister(bl_dev); #endif - unregister_framebuffer(fbinfo); - bfin_t350mcqb_request_ports(0); + platform_set_drvdata(pdev, NULL); + framebuffer_release(fbinfo); + printk(KERN_INFO DRIVER_NAME ": Unregister LCD driver.\n"); return 0; diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c index 0f8cfb988c90..24843fdd5395 100644 --- a/drivers/video/fb_defio.c +++ b/drivers/video/fb_defio.c @@ -4,7 +4,7 @@ * Copyright (C) 2006 Jaya Kumar * * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive + * License. See the file COPYING in the main directory of this archive * for more details. */ @@ -31,7 +31,7 @@ static int fb_deferred_io_fault(struct vm_area_struct *vma, unsigned long offset; struct page *page; struct fb_info *info = vma->vm_private_data; - /* info->screen_base is in System RAM */ + /* info->screen_base is virtual memory */ void *screen_base = (void __force *) info->screen_base; offset = vmf->pgoff << PAGE_SHIFT; @@ -43,6 +43,15 @@ static int fb_deferred_io_fault(struct vm_area_struct *vma, return VM_FAULT_SIGBUS; get_page(page); + + if (vma->vm_file) + page->mapping = vma->vm_file->f_mapping; + else + printk(KERN_ERR "no mapping available\n"); + + BUG_ON(!page->mapping); + page->index = vmf->pgoff; + vmf->page = page; return 0; } @@ -138,11 +147,20 @@ EXPORT_SYMBOL_GPL(fb_deferred_io_init); void fb_deferred_io_cleanup(struct fb_info *info) { + void *screen_base = (void __force *) info->screen_base; struct fb_deferred_io *fbdefio = info->fbdefio; + struct page *page; + int i; BUG_ON(!fbdefio); cancel_delayed_work(&info->deferred_work); flush_scheduled_work(); + + /* clear out the mapping that we setup */ + for (i = 0 ; i < info->fix.smem_len; i += PAGE_SIZE) { + page = vmalloc_to_page(screen_base + i); + page->mapping = NULL; + } } EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup); diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c index 1d13dd099af8..a24e680d2b9c 100644 --- a/drivers/video/i810/i810_main.c +++ b/drivers/video/i810/i810_main.c @@ -1476,7 +1476,7 @@ static int i810fb_cursor(struct fb_info *info, struct fb_cursor *cursor) struct i810fb_par *par = info->par; u8 __iomem *mmio = par->mmio_start_virtual; - if (!(par->dev_flags & LOCKUP)) + if (par->dev_flags & LOCKUP) return -ENXIO; if (cursor->image.width > 64 || cursor->image.height > 64) diff --git a/drivers/video/metronomefb.c b/drivers/video/metronomefb.c new file mode 100644 index 000000000000..e9a89fd82757 --- /dev/null +++ b/drivers/video/metronomefb.c @@ -0,0 +1,999 @@ +/* + * linux/drivers/video/metronomefb.c -- FB driver for Metronome controller + * + * Copyright (C) 2008, Jaya Kumar + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * Layout is based on skeletonfb.c by James Simmons and Geert Uytterhoeven. + * + * This work was made possible by help and equipment support from E-Ink + * Corporation. http://support.eink.com/community + * + * This driver is written to be used with the Metronome display controller. + * It was tested with an E-Ink 800x600 Vizplex EPD on a Gumstix Connex board + * using the Lyre interface board. + * + * General notes: + * - User must set metronomefb_enable=1 to enable it. + * - See Documentation/fb/metronomefb.txt for how metronome works. + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/list.h> +#include <linux/firmware.h> +#include <linux/dma-mapping.h> +#include <linux/uaccess.h> +#include <linux/irq.h> + +#include <asm/arch/pxa-regs.h> +#include <asm/unaligned.h> + +#define DEBUG 1 +#ifdef DEBUG +#define DPRINTK(f, a...) printk(KERN_DEBUG "%s: " f, __func__ , ## a) +#else +#define DPRINTK(f, a...) +#endif + + +/* Display specific information */ +#define DPY_W 832 +#define DPY_H 622 + +struct metromem_desc { + u32 mFDADR0; + u32 mFSADR0; + u32 mFIDR0; + u32 mLDCMD0; +}; + +struct metromem_cmd { + u16 opcode; + u16 args[((64-2)/2)]; + u16 csum; +}; + +struct metronomefb_par { + unsigned char *metromem; + struct metromem_desc *metromem_desc; + struct metromem_cmd *metromem_cmd; + unsigned char *metromem_wfm; + unsigned char *metromem_img; + u16 *metromem_img_csum; + u16 *csum_table; + int metromemsize; + dma_addr_t metromem_dma; + dma_addr_t metromem_desc_dma; + struct fb_info *info; + wait_queue_head_t waitq; + u8 frame_count; +}; + +/* frame differs from image. frame includes non-visible pixels */ +struct epd_frame { + int fw; /* frame width */ + int fh; /* frame height */ +}; + +static struct epd_frame epd_frame_table[] = { + { + .fw = 832, + .fh = 622 + }, +}; + +static struct fb_fix_screeninfo metronomefb_fix __devinitdata = { + .id = "metronomefb", + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_STATIC_PSEUDOCOLOR, + .xpanstep = 0, + .ypanstep = 0, + .ywrapstep = 0, + .line_length = DPY_W, + .accel = FB_ACCEL_NONE, +}; + +static struct fb_var_screeninfo metronomefb_var __devinitdata = { + .xres = DPY_W, + .yres = DPY_H, + .xres_virtual = DPY_W, + .yres_virtual = DPY_H, + .bits_per_pixel = 8, + .grayscale = 1, + .nonstd = 1, + .red = { 4, 3, 0 }, + .green = { 0, 0, 0 }, + .blue = { 0, 0, 0 }, + .transp = { 0, 0, 0 }, +}; + +static unsigned int metronomefb_enable; + +struct waveform_hdr { + u8 stuff[32]; + + u8 wmta[3]; + u8 fvsn; + + u8 luts; + u8 mc; + u8 trc; + u8 stuff3; + + u8 endb; + u8 swtb; + u8 stuff2a[2]; + + u8 stuff2b[3]; + u8 wfm_cs; +} __attribute__ ((packed)); + +/* main metronomefb functions */ +static u8 calc_cksum(int start, int end, u8 *mem) +{ + u8 tmp = 0; + int i; + + for (i = start; i < end; i++) + tmp += mem[i]; + + return tmp; +} + +static u16 calc_img_cksum(u16 *start, int length) +{ + u16 tmp = 0; + + while (length--) + tmp += *start++; + + return tmp; +} + +/* here we decode the incoming waveform file and populate metromem */ +#define EXP_WFORM_SIZE 47001 +static int load_waveform(u8 *mem, size_t size, u8 *metromem, int m, int t, + u8 *frame_count) +{ + int tta; + int wmta; + int trn = 0; + int i; + unsigned char v; + u8 cksum; + int cksum_idx; + int wfm_idx, owfm_idx; + int mem_idx = 0; + struct waveform_hdr *wfm_hdr; + + if (size != EXP_WFORM_SIZE) { + printk(KERN_ERR "Error: unexpected size %d != %d\n", size, + EXP_WFORM_SIZE); + return -EINVAL; + } + + wfm_hdr = (struct waveform_hdr *) mem; + + if (wfm_hdr->fvsn != 1) { + printk(KERN_ERR "Error: bad fvsn %x\n", wfm_hdr->fvsn); + return -EINVAL; + } + if (wfm_hdr->luts != 0) { + printk(KERN_ERR "Error: bad luts %x\n", wfm_hdr->luts); + return -EINVAL; + } + cksum = calc_cksum(32, 47, mem); + if (cksum != wfm_hdr->wfm_cs) { + printk(KERN_ERR "Error: bad cksum %x != %x\n", cksum, + wfm_hdr->wfm_cs); + return -EINVAL; + } + wfm_hdr->mc += 1; + wfm_hdr->trc += 1; + for (i = 0; i < 5; i++) { + if (*(wfm_hdr->stuff2a + i) != 0) { + printk(KERN_ERR "Error: unexpected value in padding\n"); + return -EINVAL; + } + } + + /* calculating trn. trn is something used to index into + the waveform. presumably selecting the right one for the + desired temperature. it works out the offset of the first + v that exceeds the specified temperature */ + if ((sizeof(*wfm_hdr) + wfm_hdr->trc) > size) + return -EINVAL; + + for (i = sizeof(*wfm_hdr); i <= sizeof(*wfm_hdr) + wfm_hdr->trc; i++) { + if (mem[i] > t) { + trn = i - sizeof(*wfm_hdr) - 1; + break; + } + } + + /* check temperature range table checksum */ + cksum_idx = sizeof(*wfm_hdr) + wfm_hdr->trc + 1; + if (cksum_idx > size) + return -EINVAL; + cksum = calc_cksum(sizeof(*wfm_hdr), cksum_idx, mem); + if (cksum != mem[cksum_idx]) { + printk(KERN_ERR "Error: bad temperature range table cksum" + " %x != %x\n", cksum, mem[cksum_idx]); + return -EINVAL; + } + + /* check waveform mode table address checksum */ + wmta = le32_to_cpu(get_unaligned((__le32 *) wfm_hdr->wmta)); + wmta &= 0x00FFFFFF; + cksum_idx = wmta + m*4 + 3; + if (cksum_idx > size) + return -EINVAL; + cksum = calc_cksum(cksum_idx - 3, cksum_idx, mem); + if (cksum != mem[cksum_idx]) { + printk(KERN_ERR "Error: bad mode table address cksum" + " %x != %x\n", cksum, mem[cksum_idx]); + return -EINVAL; + } + + /* check waveform temperature table address checksum */ + tta = le32_to_cpu(get_unaligned((int *) (mem + wmta + m*4))); + tta &= 0x00FFFFFF; + cksum_idx = tta + trn*4 + 3; + if (cksum_idx > size) + return -EINVAL; + cksum = calc_cksum(cksum_idx - 3, cksum_idx, mem); + if (cksum != mem[cksum_idx]) { + printk(KERN_ERR "Error: bad temperature table address cksum" + " %x != %x\n", cksum, mem[cksum_idx]); + return -EINVAL; + } + + /* here we do the real work of putting the waveform into the + metromem buffer. this does runlength decoding of the waveform */ + wfm_idx = le32_to_cpu(get_unaligned((__le32 *) (mem + tta + trn*4))); + wfm_idx &= 0x00FFFFFF; + owfm_idx = wfm_idx; + if (wfm_idx > size) + return -EINVAL; + while (wfm_idx < size) { + unsigned char rl; + v = mem[wfm_idx++]; + if (v == wfm_hdr->swtb) { + while (((v = mem[wfm_idx++]) != wfm_hdr->swtb) && + wfm_idx < size) + metromem[mem_idx++] = v; + + continue; + } + + if (v == wfm_hdr->endb) + break; + + rl = mem[wfm_idx++]; + for (i = 0; i <= rl; i++) + metromem[mem_idx++] = v; + } + + cksum_idx = wfm_idx; + if (cksum_idx > size) + return -EINVAL; + cksum = calc_cksum(owfm_idx, cksum_idx, mem); + if (cksum != mem[cksum_idx]) { + printk(KERN_ERR "Error: bad waveform data cksum" + " %x != %x\n", cksum, mem[cksum_idx]); + return -EINVAL; + } + *frame_count = (mem_idx/64); + + return 0; +} + +/* register offsets for gpio control */ +#define LED_GPIO_PIN 51 +#define STDBY_GPIO_PIN 48 +#define RST_GPIO_PIN 49 +#define RDY_GPIO_PIN 32 +#define ERR_GPIO_PIN 17 +#define PCBPWR_GPIO_PIN 16 + +#define AF_SEL_GPIO_N 0x3 +#define GAFR0_U_OFFSET(pin) ((pin - 16) * 2) +#define GAFR1_L_OFFSET(pin) ((pin - 32) * 2) +#define GAFR1_U_OFFSET(pin) ((pin - 48) * 2) +#define GPDR1_OFFSET(pin) (pin - 32) +#define GPCR1_OFFSET(pin) (pin - 32) +#define GPSR1_OFFSET(pin) (pin - 32) +#define GPCR0_OFFSET(pin) (pin) +#define GPSR0_OFFSET(pin) (pin) + +static void metronome_set_gpio_output(int pin, int val) +{ + u8 index; + + index = pin >> 4; + + switch (index) { + case 1: + if (val) + GPSR0 |= (1 << GPSR0_OFFSET(pin)); + else + GPCR0 |= (1 << GPCR0_OFFSET(pin)); + break; + case 2: + break; + case 3: + if (val) + GPSR1 |= (1 << GPSR1_OFFSET(pin)); + else + GPCR1 |= (1 << GPCR1_OFFSET(pin)); + break; + default: + printk(KERN_ERR "unimplemented\n"); + } +} + +static void __devinit metronome_init_gpio_pin(int pin, int dir) +{ + u8 index; + /* dir 0 is output, 1 is input + - do 2 things here: + - set gpio alternate function to standard gpio + - set gpio direction to input or output */ + + index = pin >> 4; + switch (index) { + case 1: + GAFR0_U &= ~(AF_SEL_GPIO_N << GAFR0_U_OFFSET(pin)); + + if (dir) + GPDR0 &= ~(1 << pin); + else + GPDR0 |= (1 << pin); + break; + case 2: + GAFR1_L &= ~(AF_SEL_GPIO_N << GAFR1_L_OFFSET(pin)); + + if (dir) + GPDR1 &= ~(1 << GPDR1_OFFSET(pin)); + else + GPDR1 |= (1 << GPDR1_OFFSET(pin)); + break; + case 3: + GAFR1_U &= ~(AF_SEL_GPIO_N << GAFR1_U_OFFSET(pin)); + + if (dir) + GPDR1 &= ~(1 << GPDR1_OFFSET(pin)); + else + GPDR1 |= (1 << GPDR1_OFFSET(pin)); + break; + default: + printk(KERN_ERR "unimplemented\n"); + } +} + +static void __devinit metronome_init_gpio_regs(void) +{ + metronome_init_gpio_pin(LED_GPIO_PIN, 0); + metronome_set_gpio_output(LED_GPIO_PIN, 0); + + metronome_init_gpio_pin(STDBY_GPIO_PIN, 0); + metronome_set_gpio_output(STDBY_GPIO_PIN, 0); + + metronome_init_gpio_pin(RST_GPIO_PIN, 0); + metronome_set_gpio_output(RST_GPIO_PIN, 0); + + metronome_init_gpio_pin(RDY_GPIO_PIN, 1); + + metronome_init_gpio_pin(ERR_GPIO_PIN, 1); + + metronome_init_gpio_pin(PCBPWR_GPIO_PIN, 0); + metronome_set_gpio_output(PCBPWR_GPIO_PIN, 0); +} + +static void metronome_disable_lcd_controller(struct metronomefb_par *par) +{ + LCSR = 0xffffffff; /* Clear LCD Status Register */ + LCCR0 |= LCCR0_DIS; /* Disable LCD Controller */ + + /* we reset and just wait for things to settle */ + msleep(200); +} + +static void metronome_enable_lcd_controller(struct metronomefb_par *par) +{ + LCSR = 0xffffffff; + FDADR0 = par->metromem_desc_dma; + LCCR0 |= LCCR0_ENB; +} + +static void __devinit metronome_init_lcdc_regs(struct metronomefb_par *par) +{ + /* here we do: + - disable the lcd controller + - setup lcd control registers + - setup dma descriptor + - reenable lcd controller + */ + + /* disable the lcd controller */ + metronome_disable_lcd_controller(par); + + /* setup lcd control registers */ + LCCR0 = LCCR0_LDM | LCCR0_SFM | LCCR0_IUM | LCCR0_EFM | LCCR0_PAS + | LCCR0_QDM | LCCR0_BM | LCCR0_OUM; + + LCCR1 = (epd_frame_table[0].fw/2 - 1) /* pixels per line */ + | (27 << 10) /* hsync pulse width - 1 */ + | (33 << 16) /* eol pixel count */ + | (33 << 24); /* bol pixel count */ + + LCCR2 = (epd_frame_table[0].fh - 1) /* lines per panel */ + | (24 << 10) /* vsync pulse width - 1 */ + | (2 << 16) /* eof pixel count */ + | (0 << 24); /* bof pixel count */ + + LCCR3 = 2 /* pixel clock divisor */ + | (24 << 8) /* AC Bias pin freq */ + | LCCR3_16BPP /* BPP */ + | LCCR3_PCP; /* PCP falling edge */ + + /* setup dma descriptor */ + par->metromem_desc->mFDADR0 = par->metromem_desc_dma; + par->metromem_desc->mFSADR0 = par->metromem_dma; + par->metromem_desc->mFIDR0 = 0; + par->metromem_desc->mLDCMD0 = epd_frame_table[0].fw + * epd_frame_table[0].fh; + /* reenable lcd controller */ + metronome_enable_lcd_controller(par); +} + +static int metronome_display_cmd(struct metronomefb_par *par) +{ + int i; + u16 cs; + u16 opcode; + static u8 borderval; + u8 *ptr; + + /* setup display command + we can't immediately set the opcode since the controller + will try parse the command before we've set it all up + so we just set cs here and set the opcode at the end */ + + ptr = par->metromem; + + if (par->metromem_cmd->opcode == 0xCC40) + opcode = cs = 0xCC41; + else + opcode = cs = 0xCC40; + + /* set the args ( 2 bytes ) for display */ + i = 0; + par->metromem_cmd->args[i] = 1 << 3 /* border update */ + | ((borderval++ % 4) & 0x0F) << 4 + | (par->frame_count - 1) << 8; + cs += par->metromem_cmd->args[i++]; + + /* the rest are 0 */ + memset((u8 *) (par->metromem_cmd->args + i), 0, (32-i)*2); + + par->metromem_cmd->csum = cs; + par->metromem_cmd->opcode = opcode; /* display cmd */ + + i = wait_event_interruptible_timeout(par->waitq, (GPLR1 & 0x01), HZ); + return i; +} + +static int __devinit metronome_powerup_cmd(struct metronomefb_par *par) +{ + int i; + u16 cs; + + /* setup power up command */ + par->metromem_cmd->opcode = 0x1234; /* pwr up pseudo cmd */ + cs = par->metromem_cmd->opcode; + + /* set pwr1,2,3 to 1024 */ + for (i = 0; i < 3; i++) { + par->metromem_cmd->args[i] = 1024; + cs += par->metromem_cmd->args[i]; + } + + /* the rest are 0 */ + memset((u8 *) (par->metromem_cmd->args + i), 0, (32-i)*2); + + par->metromem_cmd->csum = cs; + + msleep(1); + metronome_set_gpio_output(RST_GPIO_PIN, 1); + + msleep(1); + metronome_set_gpio_output(STDBY_GPIO_PIN, 1); + + i = wait_event_timeout(par->waitq, (GPLR1 & 0x01), HZ); + return i; +} + +static int __devinit metronome_config_cmd(struct metronomefb_par *par) +{ + int i; + u16 cs; + + /* setup config command + we can't immediately set the opcode since the controller + will try parse the command before we've set it all up + so we just set cs here and set the opcode at the end */ + + cs = 0xCC10; + + /* set the 12 args ( 8 bytes ) for config. see spec for meanings */ + i = 0; + par->metromem_cmd->args[i] = 15 /* sdlew */ + | 2 << 8 /* sdosz */ + | 0 << 11 /* sdor */ + | 0 << 12 /* sdces */ + | 0 << 15; /* sdcer */ + cs += par->metromem_cmd->args[i++]; + + par->metromem_cmd->args[i] = 42 /* gdspl */ + | 1 << 8 /* gdr1 */ + | 1 << 9 /* sdshr */ + | 0 << 15; /* gdspp */ + cs += par->metromem_cmd->args[i++]; + + par->metromem_cmd->args[i] = 18 /* gdspw */ + | 0 << 15; /* dispc */ + cs += par->metromem_cmd->args[i++]; + + par->metromem_cmd->args[i] = 599 /* vdlc */ + | 0 << 11 /* dsi */ + | 0 << 12; /* dsic */ + cs += par->metromem_cmd->args[i++]; + + /* the rest are 0 */ + memset((u8 *) (par->metromem_cmd->args + i), 0, (32-i)*2); + + par->metromem_cmd->csum = cs; + par->metromem_cmd->opcode = 0xCC10; /* config cmd */ + + i = wait_event_timeout(par->waitq, (GPLR1 & 0x01), HZ); + return i; +} + +static int __devinit metronome_init_cmd(struct metronomefb_par *par) +{ + int i; + u16 cs; + + /* setup init command + we can't immediately set the opcode since the controller + will try parse the command before we've set it all up + so we just set cs here and set the opcode at the end */ + + cs = 0xCC20; + + /* set the args ( 2 bytes ) for init */ + i = 0; + par->metromem_cmd->args[i] = 0; + cs += par->metromem_cmd->args[i++]; + + /* the rest are 0 */ + memset((u8 *) (par->metromem_cmd->args + i), 0, (32-i)*2); + + par->metromem_cmd->csum = cs; + par->metromem_cmd->opcode = 0xCC20; /* init cmd */ + + i = wait_event_timeout(par->waitq, (GPLR1 & 0x01), HZ); + return i; +} + +static int __devinit metronome_init_regs(struct metronomefb_par *par) +{ + int res; + + metronome_init_gpio_regs(); + metronome_init_lcdc_regs(par); + + res = metronome_powerup_cmd(par); + if (res) + return res; + + res = metronome_config_cmd(par); + if (res) + return res; + + res = metronome_init_cmd(par); + if (res) + return res; + + return res; +} + +static void metronomefb_dpy_update(struct metronomefb_par *par) +{ + u16 cksum; + unsigned char *buf = (unsigned char __force *)par->info->screen_base; + + /* copy from vm to metromem */ + memcpy(par->metromem_img, buf, DPY_W*DPY_H); + + cksum = calc_img_cksum((u16 *) par->metromem_img, + (epd_frame_table[0].fw * DPY_H)/2); + *((u16 *) (par->metromem_img) + + (epd_frame_table[0].fw * DPY_H)/2) = cksum; + metronome_display_cmd(par); +} + +static u16 metronomefb_dpy_update_page(struct metronomefb_par *par, int index) +{ + int i; + u16 csum = 0; + u16 *buf = (u16 __force *) (par->info->screen_base + index); + u16 *img = (u16 *) (par->metromem_img + index); + + /* swizzle from vm to metromem and recalc cksum at the same time*/ + for (i = 0; i < PAGE_SIZE/2; i++) { + *(img + i) = (buf[i] << 5) & 0xE0E0; + csum += *(img + i); + } + return csum; +} + +/* this is called back from the deferred io workqueue */ +static void metronomefb_dpy_deferred_io(struct fb_info *info, + struct list_head *pagelist) +{ + u16 cksum; + struct page *cur; + struct fb_deferred_io *fbdefio = info->fbdefio; + struct metronomefb_par *par = info->par; + + /* walk the written page list and swizzle the data */ + list_for_each_entry(cur, &fbdefio->pagelist, lru) { + cksum = metronomefb_dpy_update_page(par, + (cur->index << PAGE_SHIFT)); + par->metromem_img_csum -= par->csum_table[cur->index]; + par->csum_table[cur->index] = cksum; + par->metromem_img_csum += cksum; + } + + metronome_display_cmd(par); +} + +static void metronomefb_fillrect(struct fb_info *info, + const struct fb_fillrect *rect) +{ + struct metronomefb_par *par = info->par; + + cfb_fillrect(info, rect); + metronomefb_dpy_update(par); +} + +static void metronomefb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + struct metronomefb_par *par = info->par; + + cfb_copyarea(info, area); + metronomefb_dpy_update(par); +} + +static void metronomefb_imageblit(struct fb_info *info, + const struct fb_image *image) +{ + struct metronomefb_par *par = info->par; + + cfb_imageblit(info, image); + metronomefb_dpy_update(par); +} + +/* + * this is the slow path from userspace. they can seek and write to + * the fb. it is based on fb_sys_write + */ +static ssize_t metronomefb_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct metronomefb_par *par = info->par; + unsigned long p = *ppos; + void *dst; + int err = 0; + unsigned long total_size; + + if (info->state != FBINFO_STATE_RUNNING) + return -EPERM; + + total_size = info->fix.smem_len; + + if (p > total_size) + return -EFBIG; + + if (count > total_size) { + err = -EFBIG; + count = total_size; + } + + if (count + p > total_size) { + if (!err) + err = -ENOSPC; + + count = total_size - p; + } + + dst = (void __force *) (info->screen_base + p); + + if (copy_from_user(dst, buf, count)) + err = -EFAULT; + + if (!err) + *ppos += count; + + metronomefb_dpy_update(par); + + return (err) ? err : count; +} + +static struct fb_ops metronomefb_ops = { + .owner = THIS_MODULE, + .fb_write = metronomefb_write, + .fb_fillrect = metronomefb_fillrect, + .fb_copyarea = metronomefb_copyarea, + .fb_imageblit = metronomefb_imageblit, +}; + +static struct fb_deferred_io metronomefb_defio = { + .delay = HZ, + .deferred_io = metronomefb_dpy_deferred_io, +}; + +static irqreturn_t metronome_handle_irq(int irq, void *dev_id) +{ + struct fb_info *info = dev_id; + struct metronomefb_par *par = info->par; + + wake_up_interruptible(&par->waitq); + return IRQ_HANDLED; +} + +static int __devinit metronomefb_probe(struct platform_device *dev) +{ + struct fb_info *info; + int retval = -ENOMEM; + int videomemorysize; + unsigned char *videomemory; + struct metronomefb_par *par; + const struct firmware *fw_entry; + int cmd_size, wfm_size, img_size, padding_size, totalsize; + int i; + + /* we have two blocks of memory. + info->screen_base which is vm, and is the fb used by apps. + par->metromem which is physically contiguous memory and + contains the display controller commands, waveform, + processed image data and padding. this is the data pulled + by the pxa255's LCD controller and pushed to Metronome */ + + videomemorysize = (DPY_W*DPY_H); + videomemory = vmalloc(videomemorysize); + if (!videomemory) + return retval; + + memset(videomemory, 0, videomemorysize); + + info = framebuffer_alloc(sizeof(struct metronomefb_par), &dev->dev); + if (!info) + goto err_vfree; + + info->screen_base = (char __iomem *) videomemory; + info->fbops = &metronomefb_ops; + + info->var = metronomefb_var; + info->fix = metronomefb_fix; + info->fix.smem_len = videomemorysize; + par = info->par; + par->info = info; + init_waitqueue_head(&par->waitq); + + /* this table caches per page csum values. */ + par->csum_table = vmalloc(videomemorysize/PAGE_SIZE); + if (!par->csum_table) + goto err_csum_table; + + /* the metromem buffer is divided as follows: + command | CRC | padding + 16kb waveform data | CRC | padding + image data | CRC + and an extra 256 bytes for dma descriptors + eg: IW=832 IH=622 WS=128 + */ + + cmd_size = 1 * epd_frame_table[0].fw; + wfm_size = ((16*1024 + 2 + epd_frame_table[0].fw - 1) + / epd_frame_table[0].fw) * epd_frame_table[0].fw; + img_size = epd_frame_table[0].fh * epd_frame_table[0].fw; + padding_size = 4 * epd_frame_table[0].fw; + totalsize = cmd_size + wfm_size + img_size + padding_size; + par->metromemsize = PAGE_ALIGN(totalsize + 256); + DPRINTK("desired memory size = %d\n", par->metromemsize); + dev->dev.coherent_dma_mask = 0xffffffffull; + par->metromem = dma_alloc_writecombine(&dev->dev, par->metromemsize, + &par->metromem_dma, GFP_KERNEL); + if (!par->metromem) { + printk(KERN_ERR + "metronomefb: unable to allocate dma buffer\n"); + goto err_vfree; + } + + info->fix.smem_start = par->metromem_dma; + par->metromem_cmd = (struct metromem_cmd *) par->metromem; + par->metromem_wfm = par->metromem + cmd_size; + par->metromem_img = par->metromem + cmd_size + wfm_size; + par->metromem_img_csum = (u16 *) (par->metromem_img + + (epd_frame_table[0].fw * DPY_H)); + DPRINTK("img offset=0x%x\n", cmd_size + wfm_size); + par->metromem_desc = (struct metromem_desc *) (par->metromem + cmd_size + + wfm_size + img_size + padding_size); + par->metromem_desc_dma = par->metromem_dma + cmd_size + wfm_size + + img_size + padding_size; + + /* load the waveform in. assume mode 3, temp 31 for now */ + /* a) request the waveform file from userspace + b) process waveform and decode into metromem */ + + retval = request_firmware(&fw_entry, "waveform.wbf", &dev->dev); + if (retval < 0) { + printk(KERN_ERR "metronomefb: couldn't get waveform\n"); + goto err_dma_free; + } + + retval = load_waveform((u8 *) fw_entry->data, fw_entry->size, + par->metromem_wfm, 3, 31, &par->frame_count); + if (retval < 0) { + printk(KERN_ERR "metronomefb: couldn't process waveform\n"); + goto err_ld_wfm; + } + release_firmware(fw_entry); + + retval = request_irq(IRQ_GPIO(RDY_GPIO_PIN), metronome_handle_irq, + IRQF_DISABLED, "Metronome", info); + if (retval) { + dev_err(&dev->dev, "request_irq failed: %d\n", retval); + goto err_ld_wfm; + } + set_irq_type(IRQ_GPIO(RDY_GPIO_PIN), IRQT_FALLING); + + retval = metronome_init_regs(par); + if (retval < 0) + goto err_free_irq; + + info->flags = FBINFO_FLAG_DEFAULT; + + info->fbdefio = &metronomefb_defio; + fb_deferred_io_init(info); + + retval = fb_alloc_cmap(&info->cmap, 8, 0); + if (retval < 0) { + printk(KERN_ERR "Failed to allocate colormap\n"); + goto err_fb_rel; + } + + /* set cmap */ + for (i = 0; i < 8; i++) + info->cmap.red[i] = (((2*i)+1)*(0xFFFF))/16; + memcpy(info->cmap.green, info->cmap.red, sizeof(u16)*8); + memcpy(info->cmap.blue, info->cmap.red, sizeof(u16)*8); + + retval = register_framebuffer(info); + if (retval < 0) + goto err_cmap; + + platform_set_drvdata(dev, info); + + printk(KERN_INFO + "fb%d: Metronome frame buffer device, using %dK of video" + " memory\n", info->node, videomemorysize >> 10); + + return 0; + +err_cmap: + fb_dealloc_cmap(&info->cmap); +err_fb_rel: + framebuffer_release(info); +err_free_irq: + free_irq(IRQ_GPIO(RDY_GPIO_PIN), info); +err_ld_wfm: + release_firmware(fw_entry); +err_dma_free: + dma_free_writecombine(&dev->dev, par->metromemsize, par->metromem, + par->metromem_dma); +err_csum_table: + vfree(par->csum_table); +err_vfree: + vfree(videomemory); + return retval; +} + +static int __devexit metronomefb_remove(struct platform_device *dev) +{ + struct fb_info *info = platform_get_drvdata(dev); + + if (info) { + struct metronomefb_par *par = info->par; + fb_deferred_io_cleanup(info); + dma_free_writecombine(&dev->dev, par->metromemsize, + par->metromem, par->metromem_dma); + fb_dealloc_cmap(&info->cmap); + vfree(par->csum_table); + unregister_framebuffer(info); + vfree((void __force *)info->screen_base); + free_irq(IRQ_GPIO(RDY_GPIO_PIN), info); + framebuffer_release(info); + } + return 0; +} + +static struct platform_driver metronomefb_driver = { + .probe = metronomefb_probe, + .remove = metronomefb_remove, + .driver = { + .name = "metronomefb", + }, +}; + +static struct platform_device *metronomefb_device; + +static int __init metronomefb_init(void) +{ + int ret; + + if (!metronomefb_enable) { + printk(KERN_ERR + "Use metronomefb_enable to enable the device\n"); + return -ENXIO; + } + + ret = platform_driver_register(&metronomefb_driver); + if (!ret) { + metronomefb_device = platform_device_alloc("metronomefb", 0); + if (metronomefb_device) + ret = platform_device_add(metronomefb_device); + else + ret = -ENOMEM; + + if (ret) { + platform_device_put(metronomefb_device); + platform_driver_unregister(&metronomefb_driver); + } + } + return ret; + +} + +static void __exit metronomefb_exit(void) +{ + platform_device_unregister(metronomefb_device); + platform_driver_unregister(&metronomefb_driver); +} + +module_param(metronomefb_enable, uint, 0); +MODULE_PARM_DESC(metronomefb_enable, "Enable communication with Metronome"); + +module_init(metronomefb_init); +module_exit(metronomefb_exit); + +MODULE_DESCRIPTION("fbdev driver for Metronome controller"); +MODULE_AUTHOR("Jaya Kumar"); +MODULE_LICENSE("GPL"); diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index c8a4332d1132..0b3efc31ee6d 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -152,7 +152,7 @@ static void virtballoon_changed(struct virtio_device *vdev) wake_up(&vb->config_change); } -static inline int towards_target(struct virtio_balloon *vb) +static inline s64 towards_target(struct virtio_balloon *vb) { u32 v; __virtio_config_val(vb->vdev, @@ -176,7 +176,7 @@ static int balloon(void *_vballoon) set_freezable(); while (!kthread_should_stop()) { - int diff; + s64 diff; try_to_freeze(); wait_event_interruptible(vb->config_change, diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 26f787ddd5ff..c0df924766a7 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -37,7 +37,7 @@ struct virtio_pci_device struct pci_dev *pci_dev; /* the IO mapping for the PCI config space */ - void *ioaddr; + void __iomem *ioaddr; /* a list of queues so we can dispatch IRQs */ spinlock_t lock; @@ -111,7 +111,7 @@ static void vp_get(struct virtio_device *vdev, unsigned offset, void *buf, unsigned len) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - void *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; + void __iomem *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; u8 *ptr = buf; int i; @@ -125,7 +125,7 @@ static void vp_set(struct virtio_device *vdev, unsigned offset, const void *buf, unsigned len) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - void *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; + void __iomem *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; const u8 *ptr = buf; int i; @@ -177,6 +177,7 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) struct virtio_pci_device *vp_dev = opaque; struct virtio_pci_vq_info *info; irqreturn_t ret = IRQ_NONE; + unsigned long flags; u8 isr; /* reading the ISR has the effect of also clearing it so it's very @@ -197,12 +198,12 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) drv->config_changed(&vp_dev->vdev); } - spin_lock(&vp_dev->lock); + spin_lock_irqsave(&vp_dev->lock, flags); list_for_each_entry(info, &vp_dev->virtqueues, node) { if (vring_interrupt(irq, info->vq) == IRQ_HANDLED) ret = IRQ_HANDLED; } - spin_unlock(&vp_dev->lock); + spin_unlock_irqrestore(&vp_dev->lock, flags); return ret; } @@ -214,6 +215,7 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, struct virtio_pci_device *vp_dev = to_vp_device(vdev); struct virtio_pci_vq_info *info; struct virtqueue *vq; + unsigned long flags; u16 num; int err; @@ -255,9 +257,9 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, vq->priv = info; info->vq = vq; - spin_lock(&vp_dev->lock); + spin_lock_irqsave(&vp_dev->lock, flags); list_add(&info->node, &vp_dev->virtqueues); - spin_unlock(&vp_dev->lock); + spin_unlock_irqrestore(&vp_dev->lock, flags); return vq; @@ -274,10 +276,11 @@ static void vp_del_vq(struct virtqueue *vq) { struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); struct virtio_pci_vq_info *info = vq->priv; + unsigned long flags; - spin_lock(&vp_dev->lock); + spin_lock_irqsave(&vp_dev->lock, flags); list_del(&info->node); - spin_unlock(&vp_dev->lock); + spin_unlock_irqrestore(&vp_dev->lock, flags); vring_del_virtqueue(vq); @@ -385,6 +388,7 @@ static void __devexit virtio_pci_remove(struct pci_dev *pci_dev) { struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); + unregister_virtio_device(&vp_dev->vdev); free_irq(pci_dev->irq, vp_dev); pci_set_drvdata(pci_dev, NULL); pci_iounmap(pci_dev, vp_dev->ioaddr); diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 3a28c1382131..aa714028641e 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -232,7 +232,6 @@ static bool vring_enable_cb(struct virtqueue *_vq) vq->vring.avail->flags &= ~VRING_AVAIL_F_NO_INTERRUPT; mb(); if (unlikely(more_used(vq))) { - vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT; END_USE(vq); return false; } |