summary refs log tree commit diff
path: root/drivers/edac
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-01 13:54:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-01 13:54:00 -0700
commit62ff577fa2fec87edbf26f53e87210ba726d4d44 (patch)
tree018b3d31e2d2958098a9b7fbf31b1ecdc31935da /drivers/edac
parent26f31fb936042459d481557a83bda7a3f4d61906 (diff)
parent85a8885bd0e00569108aa7b5e26b89c752e3cd51 (diff)
downloadlinux-62ff577fa2fec87edbf26f53e87210ba726d4d44.tar.gz
Merge tag 'edac_for_3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC updates from Borislav Petkov:
 "A bunch of EDAC updates all over the place:

   - Support for new AMD models, along with more graceful fallback for
     unsupported hw.

   - Bunch of fixes from SUSE accumulated from bug reports

   - Misc other fixes and cleanups"

* tag 'edac_for_3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  amd64_edac: Add support for newer F16h models
  i7core_edac: Drop unused variable
  i82875p_edac: Drop redundant call to pci_get_device()
  amd8111_edac: Fix leaks in probe error paths
  e752x_edac: Drop pvt->bridge_ck
  MCE, AMD: Fix decoding module loading on unsupported hw
  i5100_edac: Remove an unneeded condition in i5100_init_csrows()
  sb_edac: Degrade log level for device registration
  amd64_edac: Fix logic to determine channel for F15 M30h processors
  edac/85xx: Remove deprecated IRQF_DISABLED
  i3200_edac: Add a missing pci_disable_device() on the exit path
  i5400_edac: Disable device when unloading module
  e752x_edac: Simplify call to pci_get_device()
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/amd64_edac.c38
-rw-r--r--drivers/edac/amd64_edac.h3
-rw-r--r--drivers/edac/amd8111_edac.c44
-rw-r--r--drivers/edac/e752x_edac.c30
-rw-r--r--drivers/edac/i3200_edac.c2
-rw-r--r--drivers/edac/i5100_edac.c17
-rw-r--r--drivers/edac/i5400_edac.c2
-rw-r--r--drivers/edac/i7core_edac.c10
-rw-r--r--drivers/edac/i82875p_edac.c2
-rw-r--r--drivers/edac/mce_amd.c65
-rw-r--r--drivers/edac/mpc85xx_edac.c6
-rw-r--r--drivers/edac/sb_edac.c2
12 files changed, 130 insertions, 91 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 98e14ee4833c..f8bf00010d45 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1239,9 +1239,17 @@ static u8 f15_m30h_determine_channel(struct amd64_pvt *pvt, u64 sys_addr,
 	if (num_dcts_intlv == 2) {
 		select = (sys_addr >> 8) & 0x3;
 		channel = select ? 0x3 : 0;
-	} else if (num_dcts_intlv == 4)
-		channel = (sys_addr >> 8) & 0x7;
-
+	} else if (num_dcts_intlv == 4) {
+		u8 intlv_addr = dct_sel_interleave_addr(pvt);
+		switch (intlv_addr) {
+		case 0x4:
+			channel = (sys_addr >> 8) & 0x3;
+			break;
+		case 0x5:
+			channel = (sys_addr >> 9) & 0x3;
+			break;
+		}
+	}
 	return channel;
 }
 
@@ -1799,6 +1807,17 @@ static struct amd64_family_type family_types[] = {
 			.read_dct_pci_cfg	= f10_read_dct_pci_cfg,
 		}
 	},
+	[F16_M30H_CPUS] = {
+		.ctl_name = "F16h_M30h",
+		.f1_id = PCI_DEVICE_ID_AMD_16H_M30H_NB_F1,
+		.f3_id = PCI_DEVICE_ID_AMD_16H_M30H_NB_F3,
+		.ops = {
+			.early_channel_count	= f1x_early_channel_count,
+			.map_sysaddr_to_csrow	= f1x_map_sysaddr_to_csrow,
+			.dbam_to_cs		= f16_dbam_to_chip_select,
+			.read_dct_pci_cfg	= f10_read_dct_pci_cfg,
+		}
+	},
 };
 
 /*
@@ -2578,6 +2597,11 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt)
 		break;
 
 	case 0x16:
+		if (pvt->model == 0x30) {
+			fam_type = &family_types[F16_M30H_CPUS];
+			pvt->ops = &family_types[F16_M30H_CPUS].ops;
+			break;
+		}
 		fam_type	= &family_types[F16_CPUS];
 		pvt->ops	= &family_types[F16_CPUS].ops;
 		break;
@@ -2830,6 +2854,14 @@ static const struct pci_device_id amd64_pci_table[] = {
 		.class		= 0,
 		.class_mask	= 0,
 	},
+	{
+		.vendor		= PCI_VENDOR_ID_AMD,
+		.device		= PCI_DEVICE_ID_AMD_16H_M30H_NB_F2,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+		.class		= 0,
+		.class_mask	= 0,
+	},
 
 	{0, }
 };
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 6dc1fcc25afb..d903e0c21144 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -168,6 +168,8 @@
 #define PCI_DEVICE_ID_AMD_15H_NB_F2	0x1602
 #define PCI_DEVICE_ID_AMD_16H_NB_F1	0x1531
 #define PCI_DEVICE_ID_AMD_16H_NB_F2	0x1532
+#define PCI_DEVICE_ID_AMD_16H_M30H_NB_F1 0x1581
+#define PCI_DEVICE_ID_AMD_16H_M30H_NB_F2 0x1582
 
 /*
  * Function 1 - Address Map
@@ -300,6 +302,7 @@ enum amd_families {
 	F15_CPUS,
 	F15_M30H_CPUS,
 	F16_CPUS,
+	F16_M30H_CPUS,
 	NUM_FAMILIES,
 };
 
diff --git a/drivers/edac/amd8111_edac.c b/drivers/edac/amd8111_edac.c
index ddd890052ce2..2b63f7c2d6d2 100644
--- a/drivers/edac/amd8111_edac.c
+++ b/drivers/edac/amd8111_edac.c
@@ -350,6 +350,7 @@ static int amd8111_dev_probe(struct pci_dev *dev,
 				const struct pci_device_id *id)
 {
 	struct amd8111_dev_info *dev_info = &amd8111_devices[id->driver_data];
+	int ret = -ENODEV;
 
 	dev_info->dev = pci_get_device(PCI_VENDOR_ID_AMD,
 					dev_info->err_dev, NULL);
@@ -359,16 +360,15 @@ static int amd8111_dev_probe(struct pci_dev *dev,
 			"vendor %x, device %x, name %s\n",
 			PCI_VENDOR_ID_AMD, dev_info->err_dev,
 			dev_info->ctl_name);
-		return -ENODEV;
+		goto err;
 	}
 
 	if (pci_enable_device(dev_info->dev)) {
-		pci_dev_put(dev_info->dev);
 		printk(KERN_ERR "failed to enable:"
 			"vendor %x, device %x, name %s\n",
 			PCI_VENDOR_ID_AMD, dev_info->err_dev,
 			dev_info->ctl_name);
-		return -ENODEV;
+		goto err_dev_put;
 	}
 
 	/*
@@ -381,8 +381,10 @@ static int amd8111_dev_probe(struct pci_dev *dev,
 		edac_device_alloc_ctl_info(0, dev_info->ctl_name, 1,
 					   NULL, 0, 0,
 					   NULL, 0, dev_info->edac_idx);
-	if (!dev_info->edac_dev)
-		return -ENOMEM;
+	if (!dev_info->edac_dev) {
+		ret = -ENOMEM;
+		goto err_dev_put;
+	}
 
 	dev_info->edac_dev->pvt_info = dev_info;
 	dev_info->edac_dev->dev = &dev_info->dev->dev;
@@ -399,8 +401,7 @@ static int amd8111_dev_probe(struct pci_dev *dev,
 	if (edac_device_add_device(dev_info->edac_dev) > 0) {
 		printk(KERN_ERR "failed to add edac_dev for %s\n",
 			dev_info->ctl_name);
-		edac_device_free_ctl_info(dev_info->edac_dev);
-		return -ENODEV;
+		goto err_edac_free_ctl;
 	}
 
 	printk(KERN_INFO "added one edac_dev on AMD8111 "
@@ -409,6 +410,13 @@ static int amd8111_dev_probe(struct pci_dev *dev,
 		dev_info->ctl_name);
 
 	return 0;
+
+err_edac_free_ctl:
+	edac_device_free_ctl_info(dev_info->edac_dev);
+err_dev_put:
+	pci_dev_put(dev_info->dev);
+err:
+	return ret;
 }
 
 static void amd8111_dev_remove(struct pci_dev *dev)
@@ -437,6 +445,7 @@ static int amd8111_pci_probe(struct pci_dev *dev,
 				const struct pci_device_id *id)
 {
 	struct amd8111_pci_info *pci_info = &amd8111_pcis[id->driver_data];
+	int ret = -ENODEV;
 
 	pci_info->dev = pci_get_device(PCI_VENDOR_ID_AMD,
 					pci_info->err_dev, NULL);
@@ -446,16 +455,15 @@ static int amd8111_pci_probe(struct pci_dev *dev,
 			"vendor %x, device %x, name %s\n",
 			PCI_VENDOR_ID_AMD, pci_info->err_dev,
 			pci_info->ctl_name);
-		return -ENODEV;
+		goto err;
 	}
 
 	if (pci_enable_device(pci_info->dev)) {
-		pci_dev_put(pci_info->dev);
 		printk(KERN_ERR "failed to enable:"
 			"vendor %x, device %x, name %s\n",
 			PCI_VENDOR_ID_AMD, pci_info->err_dev,
 			pci_info->ctl_name);
-		return -ENODEV;
+		goto err_dev_put;
 	}
 
 	/*
@@ -465,8 +473,10 @@ static int amd8111_pci_probe(struct pci_dev *dev,
 	*/
 	pci_info->edac_idx = edac_pci_alloc_index();
 	pci_info->edac_dev = edac_pci_alloc_ctl_info(0, pci_info->ctl_name);
-	if (!pci_info->edac_dev)
-		return -ENOMEM;
+	if (!pci_info->edac_dev) {
+		ret = -ENOMEM;
+		goto err_dev_put;
+	}
 
 	pci_info->edac_dev->pvt_info = pci_info;
 	pci_info->edac_dev->dev = &pci_info->dev->dev;
@@ -483,8 +493,7 @@ static int amd8111_pci_probe(struct pci_dev *dev,
 	if (edac_pci_add_device(pci_info->edac_dev, pci_info->edac_idx) > 0) {
 		printk(KERN_ERR "failed to add edac_pci for %s\n",
 			pci_info->ctl_name);
-		edac_pci_free_ctl_info(pci_info->edac_dev);
-		return -ENODEV;
+		goto err_edac_free_ctl;
 	}
 
 	printk(KERN_INFO "added one edac_pci on AMD8111 "
@@ -493,6 +502,13 @@ static int amd8111_pci_probe(struct pci_dev *dev,
 		pci_info->ctl_name);
 
 	return 0;
+
+err_edac_free_ctl:
+	edac_pci_free_ctl_info(pci_info->edac_dev);
+err_dev_put:
+	pci_dev_put(pci_info->dev);
+err:
+	return ret;
 }
 
 static void amd8111_pci_remove(struct pci_dev *dev)
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index 92d54fa65f93..b2d71388172b 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -209,7 +209,6 @@ enum e752x_chips {
  */
 
 struct e752x_pvt {
-	struct pci_dev *bridge_ck;
 	struct pci_dev *dev_d0f0;
 	struct pci_dev *dev_d0f1;
 	u32 tolm;
@@ -891,7 +890,7 @@ static void e752x_get_error_info(struct mem_ctl_info *mci,
 					info->buf_ferr);
 
 		if (info->dram_ferr)
-			pci_write_bits16(pvt->bridge_ck, E752X_DRAM_FERR,
+			pci_write_bits16(pvt->dev_d0f1, E752X_DRAM_FERR,
 					 info->dram_ferr, info->dram_ferr);
 
 		pci_write_config_dword(dev, E752X_FERR_GLOBAL,
@@ -936,7 +935,7 @@ static void e752x_get_error_info(struct mem_ctl_info *mci,
 					info->buf_nerr);
 
 		if (info->dram_nerr)
-			pci_write_bits16(pvt->bridge_ck, E752X_DRAM_NERR,
+			pci_write_bits16(pvt->dev_d0f1, E752X_DRAM_NERR,
 					 info->dram_nerr, info->dram_nerr);
 
 		pci_write_config_dword(dev, E752X_NERR_GLOBAL,
@@ -1177,38 +1176,33 @@ static void e752x_init_mem_map_table(struct pci_dev *pdev,
 static int e752x_get_devs(struct pci_dev *pdev, int dev_idx,
 			struct e752x_pvt *pvt)
 {
-	struct pci_dev *dev;
-
-	pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL,
-				pvt->dev_info->err_dev, pvt->bridge_ck);
+	pvt->dev_d0f1 = pci_get_device(PCI_VENDOR_ID_INTEL,
+				pvt->dev_info->err_dev, NULL);
 
-	if (pvt->bridge_ck == NULL) {
-		pvt->bridge_ck = pci_scan_single_device(pdev->bus,
+	if (pvt->dev_d0f1 == NULL) {
+		pvt->dev_d0f1 = pci_scan_single_device(pdev->bus,
 							PCI_DEVFN(0, 1));
-		pci_dev_get(pvt->bridge_ck);
+		pci_dev_get(pvt->dev_d0f1);
 	}
 
-	if (pvt->bridge_ck == NULL) {
+	if (pvt->dev_d0f1 == NULL) {
 		e752x_printk(KERN_ERR, "error reporting device not found:"
 			"vendor %x device 0x%x (broken BIOS?)\n",
 			PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].err_dev);
 		return 1;
 	}
 
-	dev = pci_get_device(PCI_VENDOR_ID_INTEL,
+	pvt->dev_d0f0 = pci_get_device(PCI_VENDOR_ID_INTEL,
 				e752x_devs[dev_idx].ctl_dev,
 				NULL);
 
-	if (dev == NULL)
+	if (pvt->dev_d0f0 == NULL)
 		goto fail;
 
-	pvt->dev_d0f0 = dev;
-	pvt->dev_d0f1 = pci_dev_get(pvt->bridge_ck);
-
 	return 0;
 
 fail:
-	pci_dev_put(pvt->bridge_ck);
+	pci_dev_put(pvt->dev_d0f1);
 	return 1;
 }
 
@@ -1385,7 +1379,6 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
 fail:
 	pci_dev_put(pvt->dev_d0f0);
 	pci_dev_put(pvt->dev_d0f1);
-	pci_dev_put(pvt->bridge_ck);
 	edac_mc_free(mci);
 
 	return -ENODEV;
@@ -1419,7 +1412,6 @@ static void e752x_remove_one(struct pci_dev *pdev)
 	pvt = (struct e752x_pvt *)mci->pvt_info;
 	pci_dev_put(pvt->dev_d0f0);
 	pci_dev_put(pvt->dev_d0f1);
-	pci_dev_put(pvt->bridge_ck);
 	edac_mc_free(mci);
 }
 
diff --git a/drivers/edac/i3200_edac.c b/drivers/edac/i3200_edac.c
index fa1326e5a4b0..022a70273ada 100644
--- a/drivers/edac/i3200_edac.c
+++ b/drivers/edac/i3200_edac.c
@@ -464,6 +464,8 @@ static void i3200_remove_one(struct pci_dev *pdev)
 	iounmap(priv->window);
 
 	edac_mc_free(mci);
+
+	pci_disable_device(pdev);
 }
 
 static const struct pci_device_id i3200_pci_tbl[] = {
diff --git a/drivers/edac/i5100_edac.c b/drivers/edac/i5100_edac.c
index 36a38ee94fa8..6247d186177e 100644
--- a/drivers/edac/i5100_edac.c
+++ b/drivers/edac/i5100_edac.c
@@ -869,16 +869,13 @@ static void i5100_init_csrows(struct mem_ctl_info *mci)
 			       chan, rank, 0);
 
 		dimm->nr_pages = npages;
-		if (npages) {
-			dimm->grain = 32;
-			dimm->dtype = (priv->mtr[chan][rank].width == 4) ?
-					DEV_X4 : DEV_X8;
-			dimm->mtype = MEM_RDDR2;
-			dimm->edac_mode = EDAC_SECDED;
-			snprintf(dimm->label, sizeof(dimm->label),
-				"DIMM%u",
-				i5100_rank_to_slot(mci, chan, rank));
-		}
+		dimm->grain = 32;
+		dimm->dtype = (priv->mtr[chan][rank].width == 4) ?
+				DEV_X4 : DEV_X8;
+		dimm->mtype = MEM_RDDR2;
+		dimm->edac_mode = EDAC_SECDED;
+		snprintf(dimm->label, sizeof(dimm->label), "DIMM%u",
+			 i5100_rank_to_slot(mci, chan, rank));
 
 		edac_dbg(2, "dimm channel %d, rank %d, size %ld\n",
 			 chan, rank, (long)PAGES_TO_MiB(npages));
diff --git a/drivers/edac/i5400_edac.c b/drivers/edac/i5400_edac.c
index e080cbfa8fc9..5381e98d9c0c 100644
--- a/drivers/edac/i5400_edac.c
+++ b/drivers/edac/i5400_edac.c
@@ -1408,6 +1408,8 @@ static void i5400_remove_one(struct pci_dev *pdev)
 	/* retrieve references to resources, and free those resources */
 	i5400_put_devices(mci);
 
+	pci_disable_device(pdev);
+
 	edac_mc_free(mci);
 }
 
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index d871275196f6..8bc83b99974b 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1708,7 +1708,7 @@ static void i7core_mce_output_error(struct mem_ctl_info *mci,
 				    const struct mce *m)
 {
 	struct i7core_pvt *pvt = mci->pvt_info;
-	char *type, *optype, *err;
+	char *optype, *err;
 	enum hw_event_mc_err_type tp_event;
 	unsigned long error = m->status & 0x1ff0000l;
 	bool uncorrected_error = m->mcgstatus & 1ll << 61;
@@ -1721,15 +1721,11 @@ static void i7core_mce_output_error(struct mem_ctl_info *mci,
 	u32 errnum = find_first_bit(&error, 32);
 
 	if (uncorrected_error) {
-		if (ripv) {
-			type = "FATAL";
+		if (ripv)
 			tp_event = HW_EVENT_ERR_FATAL;
-		} else {
-			type = "NON_FATAL";
+		else
 			tp_event = HW_EVENT_ERR_UNCORRECTED;
-		}
 	} else {
-		type = "CORRECTED";
 		tp_event = HW_EVENT_ERR_CORRECTED;
 	}
 
diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c
index 80573df0a4d7..8d0450b9b9af 100644
--- a/drivers/edac/i82875p_edac.c
+++ b/drivers/edac/i82875p_edac.c
@@ -406,8 +406,6 @@ static int i82875p_probe1(struct pci_dev *pdev, int dev_idx)
 
 	edac_dbg(0, "\n");
 
-	ovrfl_pdev = pci_get_device(PCI_VEND_DEV(INTEL, 82875_6), NULL);
-
 	if (i82875p_setup_overfl_dev(pdev, &ovrfl_pdev, &ovrfl_window))
 		return -ENODEV;
 	drc = readl(ovrfl_window + I82875P_DRC);
diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index 30f7309446a6..51b9caa0b024 100644
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -741,6 +741,36 @@ int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
 	if (amd_filter_mce(m))
 		return NOTIFY_STOP;
 
+	pr_emerg(HW_ERR "%s\n", decode_error_status(m));
+
+	pr_emerg(HW_ERR "CPU:%d (%x:%x:%x) MC%d_STATUS[%s|%s|%s|%s|%s",
+		m->extcpu,
+		c->x86, c->x86_model, c->x86_mask,
+		m->bank,
+		((m->status & MCI_STATUS_OVER)	? "Over"  : "-"),
+		((m->status & MCI_STATUS_UC)	? "UE"	  : "CE"),
+		((m->status & MCI_STATUS_MISCV)	? "MiscV" : "-"),
+		((m->status & MCI_STATUS_PCC)	? "PCC"	  : "-"),
+		((m->status & MCI_STATUS_ADDRV)	? "AddrV" : "-"));
+
+	if (c->x86 == 0x15 || c->x86 == 0x16)
+		pr_cont("|%s|%s",
+			((m->status & MCI_STATUS_DEFERRED) ? "Deferred" : "-"),
+			((m->status & MCI_STATUS_POISON)   ? "Poison"   : "-"));
+
+	/* do the two bits[14:13] together */
+	ecc = (m->status >> 45) & 0x3;
+	if (ecc)
+		pr_cont("|%sECC", ((ecc == 2) ? "C" : "U"));
+
+	pr_cont("]: 0x%016llx\n", m->status);
+
+	if (m->status & MCI_STATUS_ADDRV)
+		pr_emerg(HW_ERR "MC%d_ADDR: 0x%016llx\n", m->bank, m->addr);
+
+	if (!fam_ops)
+		goto err_code;
+
 	switch (m->bank) {
 	case 0:
 		decode_mc0_mce(m);
@@ -774,33 +804,7 @@ int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
 		break;
 	}
 
-	pr_emerg(HW_ERR "Error Status: %s\n", decode_error_status(m));
-
-	pr_emerg(HW_ERR "CPU:%d (%x:%x:%x) MC%d_STATUS[%s|%s|%s|%s|%s",
-		m->extcpu,
-		c->x86, c->x86_model, c->x86_mask,
-		m->bank,
-		((m->status & MCI_STATUS_OVER)	? "Over"  : "-"),
-		((m->status & MCI_STATUS_UC)	? "UE"	  : "CE"),
-		((m->status & MCI_STATUS_MISCV)	? "MiscV" : "-"),
-		((m->status & MCI_STATUS_PCC)	? "PCC"	  : "-"),
-		((m->status & MCI_STATUS_ADDRV)	? "AddrV" : "-"));
-
-	if (c->x86 == 0x15 || c->x86 == 0x16)
-		pr_cont("|%s|%s",
-			((m->status & MCI_STATUS_DEFERRED) ? "Deferred" : "-"),
-			((m->status & MCI_STATUS_POISON)   ? "Poison"   : "-"));
-
-	/* do the two bits[14:13] together */
-	ecc = (m->status >> 45) & 0x3;
-	if (ecc)
-		pr_cont("|%sECC", ((ecc == 2) ? "C" : "U"));
-
-	pr_cont("]: 0x%016llx\n", m->status);
-
-	if (m->status & MCI_STATUS_ADDRV)
-		pr_emerg(HW_ERR "MC%d_ADDR: 0x%016llx\n", m->bank, m->addr);
-
+ err_code:
 	amd_decode_err_code(m->status & 0xffff);
 
 	return NOTIFY_STOP;
@@ -816,10 +820,7 @@ static int __init mce_amd_init(void)
 	struct cpuinfo_x86 *c = &boot_cpu_data;
 
 	if (c->x86_vendor != X86_VENDOR_AMD)
-		return 0;
-
-	if (c->x86 < 0xf || c->x86 > 0x16)
-		return 0;
+		return -ENODEV;
 
 	fam_ops = kzalloc(sizeof(struct amd_decoder_ops), GFP_KERNEL);
 	if (!fam_ops)
@@ -874,7 +875,7 @@ static int __init mce_amd_init(void)
 	default:
 		printk(KERN_WARNING "Huh? What family is it: 0x%x?!\n", c->x86);
 		kfree(fam_ops);
-		return -EINVAL;
+		fam_ops = NULL;
 	}
 
 	pr_info("MCE: In-kernel MCE decoding enabled.\n");
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 8f9182179a7c..f4aec2e6ef56 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -357,7 +357,7 @@ int mpc85xx_pci_err_probe(struct platform_device *op)
 		pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0);
 		res = devm_request_irq(&op->dev, pdata->irq,
 				       mpc85xx_pci_isr,
-				       IRQF_DISABLED | IRQF_SHARED,
+				       IRQF_SHARED,
 				       "[EDAC] PCI err", pci);
 		if (res < 0) {
 			printk(KERN_ERR
@@ -633,7 +633,7 @@ static int mpc85xx_l2_err_probe(struct platform_device *op)
 	if (edac_op_state == EDAC_OPSTATE_INT) {
 		pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0);
 		res = devm_request_irq(&op->dev, pdata->irq,
-				       mpc85xx_l2_isr, IRQF_DISABLED,
+				       mpc85xx_l2_isr, 0,
 				       "[EDAC] L2 err", edac_dev);
 		if (res < 0) {
 			printk(KERN_ERR
@@ -1133,7 +1133,7 @@ static int mpc85xx_mc_err_probe(struct platform_device *op)
 		pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0);
 		res = devm_request_irq(&op->dev, pdata->irq,
 				       mpc85xx_mc_isr,
-					IRQF_DISABLED | IRQF_SHARED,
+				       IRQF_SHARED,
 				       "[EDAC] MC err", mci);
 		if (res < 0) {
 			printk(KERN_ERR "%s: Unable to request irq %d for "
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 54e2abe671f7..347c7a1c2725 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -1263,7 +1263,7 @@ static int sbridge_get_onedevice(struct pci_dev **prev,
 	struct pci_dev *pdev = NULL;
 	u8 bus = 0;
 
-	sbridge_printk(KERN_INFO,
+	sbridge_printk(KERN_DEBUG,
 		"Seeking for: dev %02x.%d PCI ID %04x:%04x\n",
 		dev_descr->dev, dev_descr->func,
 		PCI_VENDOR_ID_INTEL, dev_descr->dev_id);