summary refs log tree commit diff
path: root/arch/arm/kernel
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-17 19:08:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-17 19:08:06 -0700
commit411f5c7a502769ccc0377c5ba36cb0b283847ba8 (patch)
tree2c3a29671e3f923de48c55f94194849264a7bf53 /arch/arm/kernel
parent6d7ed21d17e640b120b902a314143e5ef4917a70 (diff)
parent9ced9f03d12d7539e86b0bff5bc750153c976c34 (diff)
downloadlinux-411f5c7a502769ccc0377c5ba36cb0b283847ba8.tar.gz
Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm: (289 commits)
  davinci: DM644x EVM: register MUSB device earlier
  davinci: add spi devices on tnetv107x evm
  davinci: add ssp config for tnetv107x evm board
  davinci: add tnetv107x ssp platform device
  spi: add ti-ssp spi master driver
  mfd: add driver for sequencer serial port
  ARM: EXYNOS4: Implement Clock gating for System MMU
  ARM: EXYNOS4: Enhancement of System MMU driver
  ARM: EXYNOS4: Add support for gpio interrupts
  ARM: S5P: Add function to register gpio interrupt bank data
  ARM: S5P: Cleanup S5P gpio interrupt code
  ARM: EXYNOS4: Add missing GPYx banks
  ARM: S3C64XX: Fix section mismatch from cpufreq init
  ARM: EXYNOS4: Add keypad device to the SMDKV310
  ARM: EXYNOS4: Update clocks for keypad
  ARM: EXYNOS4: Update keypad base address
  ARM: EXYNOS4: Add keypad device helpers
  ARM: EXYNOS4: Add support for SATA on ARMLEX4210
  plat-nomadik: make GPIO interrupts work with cpuidle ApSleep
  mach-u300: define a dummy filter function for coh901318
  ...

Fix up various conflicts in
 - arch/arm/mach-exynos4/cpufreq.c
 - arch/arm/mach-mxs/gpio.c
 - drivers/net/Kconfig
 - drivers/tty/serial/Kconfig
 - drivers/tty/serial/Makefile
 - drivers/usb/gadget/fsl_mxc_udc.c
 - drivers/video/Kconfig
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/machine_kexec.c7
-rw-r--r--arch/arm/kernel/perf_event.c17
2 files changed, 23 insertions, 1 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 30ead135ff5f..e59bbd496c39 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -75,6 +75,11 @@ void machine_crash_shutdown(struct pt_regs *regs)
 	printk(KERN_INFO "Loading crashdump kernel...\n");
 }
 
+/*
+ * Function pointer to optional machine-specific reinitialization
+ */
+void (*kexec_reinit)(void);
+
 void machine_kexec(struct kimage *image)
 {
 	unsigned long page_list;
@@ -104,6 +109,8 @@ void machine_kexec(struct kimage *image)
 			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
 	printk(KERN_INFO "Bye!\n");
 
+	if (kexec_reinit)
+		kexec_reinit();
 	local_irq_disable();
 	local_fiq_disable();
 	setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index d150ad1ccb5d..22e194eb8536 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -377,9 +377,18 @@ validate_group(struct perf_event *event)
 	return 0;
 }
 
+static irqreturn_t armpmu_platform_irq(int irq, void *dev)
+{
+	struct arm_pmu_platdata *plat = dev_get_platdata(&pmu_device->dev);
+
+	return plat->handle_irq(irq, dev, armpmu->handle_irq);
+}
+
 static int
 armpmu_reserve_hardware(void)
 {
+	struct arm_pmu_platdata *plat;
+	irq_handler_t handle_irq;
 	int i, err = -ENODEV, irq;
 
 	pmu_device = reserve_pmu(ARM_PMU_DEVICE_CPU);
@@ -390,6 +399,12 @@ armpmu_reserve_hardware(void)
 
 	init_pmu(ARM_PMU_DEVICE_CPU);
 
+	plat = dev_get_platdata(&pmu_device->dev);
+	if (plat && plat->handle_irq)
+		handle_irq = armpmu_platform_irq;
+	else
+		handle_irq = armpmu->handle_irq;
+
 	if (pmu_device->num_resources < 1) {
 		pr_err("no irqs for PMUs defined\n");
 		return -ENODEV;
@@ -400,7 +415,7 @@ armpmu_reserve_hardware(void)
 		if (irq < 0)
 			continue;
 
-		err = request_irq(irq, armpmu->handle_irq,
+		err = request_irq(irq, handle_irq,
 				  IRQF_DISABLED | IRQF_NOBALANCING,
 				  "armpmu", NULL);
 		if (err) {