summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/edac/amd76x_edac.c23
-rw-r--r--drivers/edac/e752x_edac.c23
-rw-r--r--drivers/edac/e7xxx_edac.c16
-rw-r--r--drivers/edac/edac_mc.c538
-rw-r--r--drivers/edac/edac_mc.h16
-rw-r--r--drivers/edac/i82860_edac.c30
-rw-r--r--drivers/edac/i82875p_edac.c30
-rw-r--r--drivers/edac/r82600_edac.c21
8 files changed, 374 insertions, 323 deletions
diff --git a/drivers/edac/amd76x_edac.c b/drivers/edac/amd76x_edac.c
index 53423ad6d4a3..7fd6283fe008 100644
--- a/drivers/edac/amd76x_edac.c
+++ b/drivers/edac/amd76x_edac.c
@@ -20,6 +20,9 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define AMD76X_REVISION " Ver: 2.0.0 " __DATE__
+
+
#define amd76x_printk(level, fmt, arg...) \
edac_printk(level, "amd76x", fmt, ##arg)
@@ -102,15 +105,18 @@ static const struct amd76x_dev_info amd76x_devs[] = {
static void amd76x_get_error_info(struct mem_ctl_info *mci,
struct amd76x_error_info *info)
{
- pci_read_config_dword(mci->pdev, AMD76X_ECC_MODE_STATUS,
+ struct pci_dev *pdev;
+
+ pdev = to_pci_dev(mci->dev);
+ pci_read_config_dword(pdev, AMD76X_ECC_MODE_STATUS,
&info->ecc_mode_status);
if (info->ecc_mode_status & BIT(8))
- pci_write_bits32(mci->pdev, AMD76X_ECC_MODE_STATUS,
+ pci_write_bits32(pdev, AMD76X_ECC_MODE_STATUS,
(u32) BIT(8), (u32) BIT(8));
if (info->ecc_mode_status & BIT(9))
- pci_write_bits32(mci->pdev, AMD76X_ECC_MODE_STATUS,
+ pci_write_bits32(pdev, AMD76X_ECC_MODE_STATUS,
(u32) BIT(9), (u32) BIT(9));
}
@@ -211,13 +217,13 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
}
debugf0("%s(): mci = %p\n", __func__, mci);
- mci->pdev = pdev;
+ mci->dev = &pdev->dev;
mci->mtype_cap = MEM_FLAG_RDDR;
mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED;
mci->edac_cap = ems_mode ?
(EDAC_FLAG_EC | EDAC_FLAG_SECDED) : EDAC_FLAG_NONE;
mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.4.2.5 $";
+ mci->mod_ver = AMD76X_REVISION;
mci->ctl_name = amd76x_devs[dev_idx].ctl_name;
mci->edac_check = amd76x_check;
mci->ctl_page_to_phys = NULL;
@@ -230,7 +236,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
u32 dms;
/* find the DRAM Chip Select Base address and mask */
- pci_read_config_dword(mci->pdev,
+ pci_read_config_dword(pdev,
AMD76X_MEM_BASE_ADDR + (index * 4), &mba);
if (!(mba & BIT(0)))
@@ -238,8 +244,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
mba_base = mba & 0xff800000UL;
mba_mask = ((mba & 0xff80) << 16) | 0x7fffffUL;
- pci_read_config_dword(mci->pdev, AMD76X_DRAM_MODE_STATUS,
- &dms);
+ pci_read_config_dword(pdev, AMD76X_DRAM_MODE_STATUS, &dms);
csrow->first_page = mba_base >> PAGE_SHIFT;
csrow->nr_pages = (mba_mask + 1) >> PAGE_SHIFT;
csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
@@ -291,7 +296,7 @@ static void __devexit amd76x_remove_one(struct pci_dev *pdev)
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
edac_mc_free(mci);
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index fce31936e6d7..de9f332eabf0 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -25,6 +25,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define E752X_REVISION " Ver: 2.0.0 " __DATE__
+
static int force_function_unhide;
#define e752x_printk(level, fmt, arg...) \
@@ -819,8 +821,8 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
EDAC_FLAG_S4ECD4ED;
/* FIXME - what if different memory types are in different csrows? */
mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.5.2.11 $";
- mci->pdev = pdev;
+ mci->mod_ver = E752X_REVISION;
+ mci->dev = &pdev->dev;
debugf3("%s(): init pvt\n", __func__);
pvt = (struct e752x_pvt *) mci->pvt_info;
@@ -864,7 +866,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
struct csrow_info *csrow = &mci->csrows[index];
mem_dev = (mem_dev == 2);
- pci_read_config_byte(mci->pdev, E752X_DRB + index, &value);
+ pci_read_config_byte(pdev, E752X_DRB + index, &value);
/* convert a 128 or 64 MiB DRB to a page size. */
cumul_size = value << (25 + drc_drbg - PAGE_SHIFT);
debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index,
@@ -904,8 +906,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
u8 row = 0;
for (index = 0; index < 8; index += 2) {
- pci_read_config_byte(mci->pdev, E752X_DRB + index,
- &value);
+ pci_read_config_byte(pdev, E752X_DRB + index, &value);
/* test if there is a dimm in this slot */
if (value == last) {
@@ -918,7 +919,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
last = value;
/* test the next value to see if the dimm is
double sided */
- pci_read_config_byte(mci->pdev,
+ pci_read_config_byte(pdev,
E752X_DRB + index + 1,
&value);
pvt->map[index + 1] = (value == last) ?
@@ -935,18 +936,18 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
}
/* set the map type. 1 = normal, 0 = reversed */
- pci_read_config_byte(mci->pdev, E752X_DRM, &stat8);
+ pci_read_config_byte(pdev, E752X_DRM, &stat8);
pvt->map_type = ((stat8 & 0x0f) > ((stat8 >> 4) & 0x0f));
mci->edac_cap |= EDAC_FLAG_NONE;
debugf3("%s(): tolm, remapbase, remaplimit\n", __func__);
/* load the top of low memory, remap base, and remap limit vars */
- pci_read_config_word(mci->pdev, E752X_TOLM, &pci_data);
+ pci_read_config_word(pdev, E752X_TOLM, &pci_data);
pvt->tolm = ((u32) pci_data) << 4;
- pci_read_config_word(mci->pdev, E752X_REMAPBASE, &pci_data);
+ pci_read_config_word(pdev, E752X_REMAPBASE, &pci_data);
pvt->remapbase = ((u32) pci_data) << 14;
- pci_read_config_word(mci->pdev, E752X_REMAPLIMIT, &pci_data);
+ pci_read_config_word(pdev, E752X_REMAPLIMIT, &pci_data);
pvt->remaplimit = ((u32) pci_data) << 14;
e752x_printk(KERN_INFO,
"tolm = %x, remapbase = %x, remaplimit = %x\n", pvt->tolm,
@@ -1015,7 +1016,7 @@ static void __devexit e752x_remove_one(struct pci_dev *pdev)
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
pvt = (struct e752x_pvt *) mci->pvt_info;
diff --git a/drivers/edac/e7xxx_edac.c b/drivers/edac/e7xxx_edac.c
index a9518d3e4be4..d601d53b9920 100644
--- a/drivers/edac/e7xxx_edac.c
+++ b/drivers/edac/e7xxx_edac.c
@@ -30,6 +30,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define E7XXX_REVISION " Ver: 2.0.0 " __DATE__
+
#define e7xxx_printk(level, fmt, arg...) \
edac_printk(level, "e7xxx", fmt, ##arg)
@@ -373,8 +375,8 @@ static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx)
EDAC_FLAG_S4ECD4ED;
/* FIXME - what if different memory types are in different csrows? */
mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.5.2.9 $";
- mci->pdev = pdev;
+ mci->mod_ver = E7XXX_REVISION;
+ mci->dev = &pdev->dev;
debugf3("%s(): init pvt\n", __func__);
pvt = (struct e7xxx_pvt *) mci->pvt_info;
@@ -411,7 +413,7 @@ static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx)
int mem_dev = (dra >> (index * 4 + 3)) & 0x1;
struct csrow_info *csrow = &mci->csrows[index];
- pci_read_config_byte(mci->pdev, E7XXX_DRB + index, &value);
+ pci_read_config_byte(pdev, E7XXX_DRB + index, &value);
/* convert a 64 or 32 MiB DRB to a page size. */
cumul_size = value << (25 + drc_drbg - PAGE_SHIFT);
debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index,
@@ -448,11 +450,11 @@ static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx)
debugf3("%s(): tolm, remapbase, remaplimit\n", __func__);
/* load the top of low memory, remap base, and remap limit vars */
- pci_read_config_word(mci->pdev, E7XXX_TOLM, &pci_data);
+ pci_read_config_word(pdev, E7XXX_TOLM, &pci_data);
pvt->tolm = ((u32) pci_data) << 4;
- pci_read_config_word(mci->pdev, E7XXX_REMAPBASE, &pci_data);
+ pci_read_config_word(pdev, E7XXX_REMAPBASE, &pci_data);
pvt->remapbase = ((u32) pci_data) << 14;
- pci_read_config_word(mci->pdev, E7XXX_REMAPLIMIT, &pci_data);
+ pci_read_config_word(pdev, E7XXX_REMAPLIMIT, &pci_data);
pvt->remaplimit = ((u32) pci_data) << 14;
e7xxx_printk(KERN_INFO,
"tolm = %x, remapbase = %x, remaplimit = %x\n", pvt->tolm,
@@ -498,7 +500,7 @@ static void __devexit e7xxx_remove_one(struct pci_dev *pdev)
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
pvt = (struct e7xxx_pvt *) mci->pvt_info;
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index ea06e3a4dc35..603de8b49f27 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -54,16 +54,17 @@ static int log_ce = 1;
static int panic_on_ue;
static int poll_msec = 1000;
-static int check_pci_parity = 0; /* default YES check PCI parity */
-static int panic_on_pci_parity; /* default no panic on PCI Parity */
-static atomic_t pci_parity_count = ATOMIC_INIT(0);
-
/* lock to memory controller's control array */
static DECLARE_MUTEX(mem_ctls_mutex);
static struct list_head mc_devices = LIST_HEAD_INIT(mc_devices);
static struct task_struct *edac_thread;
+#ifdef CONFIG_PCI
+static int check_pci_parity = 0; /* default YES check PCI parity */
+static int panic_on_pci_parity; /* default no panic on PCI Parity */
+static atomic_t pci_parity_count = ATOMIC_INIT(0);
+
/* Structure of the whitelist and blacklist arrays */
struct edac_pci_device_list {
unsigned int vendor; /* Vendor ID */
@@ -80,6 +81,12 @@ static int pci_blacklist_count;
static struct edac_pci_device_list pci_whitelist[MAX_LISTED_PCI_DEVICES];
static int pci_whitelist_count ;
+#ifndef DISABLE_EDAC_SYSFS
+static struct kobject edac_pci_kobj; /* /sys/devices/system/edac/pci */
+static struct completion edac_pci_kobj_complete;
+#endif /* DISABLE_EDAC_SYSFS */
+#endif /* CONFIG_PCI */
+
/* START sysfs data and methods */
#ifndef DISABLE_EDAC_SYSFS
@@ -127,18 +134,15 @@ static struct sysdev_class edac_class = {
set_kset_name("edac"),
};
-/* sysfs objects:
+/* sysfs object:
* /sys/devices/system/edac/mc
- * /sys/devices/system/edac/pci
*/
static struct kobject edac_memctrl_kobj;
-static struct kobject edac_pci_kobj;
/* We use these to wait for the reference counts on edac_memctrl_kobj and
* edac_pci_kobj to reach 0.
*/
static struct completion edac_memctrl_kobj_complete;
-static struct completion edac_pci_kobj_complete;
/*
* /sys/devices/system/edac/mc;
@@ -324,6 +328,8 @@ static void edac_sysfs_memctrl_teardown(void)
#endif /* DISABLE_EDAC_SYSFS */
}
+#ifdef CONFIG_PCI
+
#ifndef DISABLE_EDAC_SYSFS
/*
@@ -624,6 +630,252 @@ static void edac_sysfs_pci_teardown(void)
#endif
}
+
+static u16 get_pci_parity_status(struct pci_dev *dev, int secondary)
+{
+ int where;
+ u16 status;
+
+ where = secondary ? PCI_SEC_STATUS : PCI_STATUS;
+ pci_read_config_word(dev, where, &status);
+
+ /* If we get back 0xFFFF then we must suspect that the card has been
+ * pulled but the Linux PCI layer has not yet finished cleaning up.
+ * We don't want to report on such devices
+ */
+
+ if (status == 0xFFFF) {
+ u32 sanity;
+
+ pci_read_config_dword(dev, 0, &sanity);
+
+ if (sanity == 0xFFFFFFFF)
+ return 0;
+ }
+
+ status &= PCI_STATUS_DETECTED_PARITY | PCI_STATUS_SIG_SYSTEM_ERROR |
+ PCI_STATUS_PARITY;
+
+ if (status)
+ /* reset only the bits we are interested in */
+ pci_write_config_word(dev, where, status);
+
+ return status;
+}
+
+typedef void (*pci_parity_check_fn_t) (struct pci_dev *dev);
+
+/* Clear any PCI parity errors logged by this device. */
+static void edac_pci_dev_parity_clear(struct pci_dev *dev)
+{
+ u8 header_type;
+
+ get_pci_parity_status(dev, 0);
+
+ /* read the device TYPE, looking for bridges */
+ pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
+
+ if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE)
+ get_pci_parity_status(dev, 1);
+}
+
+/*
+ * PCI Parity polling
+ *
+ */
+static void edac_pci_dev_parity_test(struct pci_dev *dev)
+{
+ u16 status;
+ u8 header_type;
+
+ /* read the STATUS register on this device
+ */
+ status = get_pci_parity_status(dev, 0);
+
+ debugf2("PCI STATUS= 0x%04x %s\n", status, dev->dev.bus_id );
+
+ /* check the status reg for errors */
+ if (status) {
+ if (status & (PCI_STATUS_SIG_SYSTEM_ERROR))
+ edac_printk(KERN_CRIT, EDAC_PCI,
+ "Signaled System Error on %s\n",
+ pci_name(dev));
+
+ if (status & (PCI_STATUS_PARITY)) {
+ edac_printk(KERN_CRIT, EDAC_PCI,
+ "Master Data Parity Error on %s\n",
+ pci_name(dev));
+
+ atomic_inc(&pci_parity_count);
+ }
+
+ if (status & (PCI_STATUS_DETECTED_PARITY)) {
+ edac_printk(KERN_CRIT, EDAC_PCI,
+ "Detected Parity Error on %s\n",
+ pci_name(dev));
+
+ atomic_inc(&pci_parity_count);
+ }
+ }
+
+ /* read the device TYPE, looking for bridges */
+ pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
+
+ debugf2("PCI HEADER TYPE= 0x%02x %s\n", header_type, dev->dev.bus_id );
+
+ if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
+ /* On bridges, need to examine secondary status register */
+ status = get_pci_parity_status(dev, 1);
+
+ debugf2("PCI SEC_STATUS= 0x%04x %s\n",
+ status, dev->dev.bus_id );
+
+ /* check the secondary status reg for errors */
+ if (status) {
+ if (status & (PCI_STATUS_SIG_SYSTEM_ERROR))
+ edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
+ "Signaled System Error on %s\n",
+ pci_name(dev));
+
+ if (status & (PCI_STATUS_PARITY)) {
+ edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
+ "Master Data Parity Error on "
+ "%s\n", pci_name(dev));
+
+ atomic_inc(&pci_parity_count);
+ }
+
+ if (status & (PCI_STATUS_DETECTED_PARITY)) {
+ edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
+ "Detected Parity Error on %s\n",
+ pci_name(dev));
+
+ atomic_inc(&pci_parity_count);
+ }
+ }
+ }
+}
+
+/*
+ * check_dev_on_list: Scan for a PCI device on a white/black list
+ * @list: an EDAC &edac_pci_device_list white/black list pointer
+ * @free_index: index of next free entry on the list
+ * @pci_dev: PCI Device pointer
+ *
+ * see if list contains the device.
+ *
+ * Returns: 0 not found
+ * 1 found on list
+ */
+static int check_dev_on_list(struct edac_pci_device_list *list,
+ int free_index, struct pci_dev *dev)
+{
+ int i;
+ int rc = 0; /* Assume not found */
+ unsigned short vendor=dev->vendor;
+ unsigned short device=dev->device;
+
+ /* Scan the list, looking for a vendor/device match */
+ for (i = 0; i < free_index; i++, list++ ) {
+ if ((list->vendor == vendor ) && (list->device == device )) {
+ rc = 1;
+ break;
+ }
+ }
+
+ return rc;
+}
+
+/*
+ * pci_dev parity list iterator
+ * Scan the PCI device list for one iteration, looking for SERRORs
+ * Master Parity ERRORS or Parity ERRORs on primary or secondary devices
+ */
+static inline void edac_pci_dev_parity_iterator(pci_parity_check_fn_t fn)
+{
+ struct pci_dev *dev = NULL;
+
+ /* request for kernel access to the next PCI device, if any,
+ * and while we are looking at it have its reference count
+ * bumped until we are done with it
+ */
+ while((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+ /* if whitelist exists then it has priority, so only scan
+ * those devices on the whitelist
+ */
+ if (pci_whitelist_count > 0 ) {
+ if (check_dev_on_list(pci_whitelist,
+ pci_whitelist_count, dev))
+ fn(dev);
+ } else {
+ /*
+ * if no whitelist, then check if this devices is
+ * blacklisted
+ */
+ if (!check_dev_on_list(pci_blacklist,
+ pci_blacklist_count, dev))
+ fn(dev);
+ }
+ }
+}
+
+static void do_pci_parity_check(void)
+{
+ unsigned long flags;
+ int before_count;
+
+ debugf3("%s()\n", __func__);
+
+ if (!check_pci_parity)
+ return;
+
+ before_count = atomic_read(&pci_parity_count);
+
+ /* scan all PCI devices looking for a Parity Error on devices and
+ * bridges
+ */
+ local_irq_save(flags);
+ edac_pci_dev_parity_iterator(edac_pci_dev_parity_test);
+ local_irq_restore(flags);
+
+ /* Only if operator has selected panic on PCI Error */
+ if (panic_on_pci_parity) {
+ /* If the count is different 'after' from 'before' */
+ if (before_count != atomic_read(&pci_parity_count))
+ panic("EDAC: PCI Parity Error");
+ }
+}
+
+static inline void clear_pci_parity_errors(void)
+{
+ /* Clear any PCI bus parity errors that devices initially have logged
+ * in their registers.
+ */
+ edac_pci_dev_parity_iterator(edac_pci_dev_parity_clear);
+}
+
+#else /* CONFIG_PCI */
+
+static inline void do_pci_parity_check(void)
+{
+ /* no-op */
+}
+
+static inline void clear_pci_parity_errors(void)
+{
+ /* no-op */
+}
+
+static void edac_sysfs_pci_teardown(void)
+{
+}
+
+static int edac_sysfs_pci_setup(void)
+{
+ return 0;
+}
+#endif /* CONFIG_PCI */
+
#ifndef DISABLE_EDAC_SYSFS
/* EDAC sysfs CSROW data structures and methods */
@@ -1132,7 +1384,7 @@ static int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
return err;
/* create a symlink for the device */
- err = sysfs_create_link(edac_mci_kobj, &mci->pdev->dev.kobj,
+ err = sysfs_create_link(edac_mci_kobj, &mci->dev->kobj,
EDAC_DEVICE_SYMLINK);
if (err)
@@ -1238,7 +1490,7 @@ void edac_mc_dump_mci(struct mem_ctl_info *mci)
debugf4("\tmci->edac_check = %p\n", mci->edac_check);
debugf3("\tmci->nr_csrows = %d, csrows = %p\n",
mci->nr_csrows, mci->csrows);
- debugf3("\tpdev = %p\n", mci->pdev);
+ debugf3("\tdev = %p\n", mci->dev);
debugf3("\tmod_name:ctl_name = %s:%s\n",
mci->mod_name, mci->ctl_name);
debugf3("\tpvt_info = %p\n\n", mci->pvt_info);
@@ -1363,7 +1615,7 @@ void edac_mc_free(struct mem_ctl_info *mci)
}
EXPORT_SYMBOL_GPL(edac_mc_free);
-static struct mem_ctl_info *find_mci_by_pdev(struct pci_dev *pdev)
+static struct mem_ctl_info *find_mci_by_dev(struct device *dev)
{
struct mem_ctl_info *mci;
struct list_head *item;
@@ -1373,7 +1625,7 @@ static struct mem_ctl_info *find_mci_by_pdev(struct pci_dev *pdev)
list_for_each(item, &mc_devices) {
mci = list_entry(item, struct mem_ctl_info, link);
- if (mci->pdev == pdev)
+ if (mci->dev == dev)
return mci;
}
@@ -1390,12 +1642,12 @@ static int add_mc_to_global_list(struct mem_ctl_info *mci)
mci->mc_idx = 0;
insert_before = &mc_devices;
} else {
- if (find_mci_by_pdev(mci->pdev)) {
+ if (find_mci_by_dev(mci->dev)) {
edac_printk(KERN_WARNING, EDAC_MC,
"%s (%s) %s %s already assigned %d\n",
- mci->pdev->dev.bus_id,
- pci_name(mci->pdev), mci->mod_name,
- mci->ctl_name, mci->mc_idx);
+ mci->dev->bus_id, dev_name(mci->dev),
+ mci->mod_name, mci->ctl_name,
+ mci->mc_idx);
return 1;
}
@@ -1486,8 +1738,8 @@ int edac_mc_add_mc(struct mem_ctl_info *mci)
}
/* Report action taken */
- edac_mc_printk(mci, KERN_INFO, "Giving out device to %s %s: PCI %s\n",
- mci->mod_name, mci->ctl_name, pci_name(mci->pdev));
+ edac_mc_printk(mci, KERN_INFO, "Giving out device to %s %s: DEV %s\n",
+ mci->mod_name, mci->ctl_name, dev_name(mci->dev));
up(&mem_ctls_mutex);
return 0;
@@ -1504,18 +1756,18 @@ EXPORT_SYMBOL_GPL(edac_mc_add_mc);
/**
* edac_mc_del_mc: Remove sysfs entries for specified mci structure and
* remove mci structure from global list
- * @pdev: Pointer to 'struct pci_dev' representing mci structure to remove.
+ * @pdev: Pointer to 'struct device' representing mci structure to remove.
*
* Return pointer to removed mci structure, or NULL if device not found.
*/
-struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev)
+struct mem_ctl_info * edac_mc_del_mc(struct device *dev)
{
struct mem_ctl_info *mci;
debugf0("MC: %s()\n", __func__);
down(&mem_ctls_mutex);
- if ((mci = find_mci_by_pdev(pdev)) == NULL) {
+ if ((mci = find_mci_by_dev(dev)) == NULL) {
up(&mem_ctls_mutex);
return NULL;
}
@@ -1524,8 +1776,8 @@ struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev)
del_mc_from_global_list(mci);
up(&mem_ctls_mutex);
edac_printk(KERN_INFO, EDAC_MC,
- "Removed device %d for %s %s: PCI %s\n", mci->mc_idx,
- mci->mod_name, mci->ctl_name, pci_name(mci->pdev));
+ "Removed device %d for %s %s: DEV %s\n", mci->mc_idx,
+ mci->mod_name, mci->ctl_name, dev_name(mci->dev));
return mci;
}
EXPORT_SYMBOL_GPL(edac_mc_del_mc);
@@ -1739,244 +1991,6 @@ void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, const char *msg)
}
EXPORT_SYMBOL_GPL(edac_mc_handle_ue_no_info);
-#ifdef CONFIG_PCI
-
-static u16 get_pci_parity_status(struct pci_dev *dev, int secondary)
-{
- int where;
- u16 status;
-
- where = secondary ? PCI_SEC_STATUS : PCI_STATUS;
- pci_read_config_word(dev, where, &status);
-
- /* If we get back 0xFFFF then we must suspect that the card has been
- * pulled but the Linux PCI layer has not yet finished cleaning up.
- * We don't want to report on such devices
- */
-
- if (status == 0xFFFF) {
- u32 sanity;
-
- pci_read_config_dword(dev, 0, &sanity);
-
- if (sanity == 0xFFFFFFFF)
- return 0;
- }
-
- status &= PCI_STATUS_DETECTED_PARITY | PCI_STATUS_SIG_SYSTEM_ERROR |
- PCI_STATUS_PARITY;
-
- if (status)
- /* reset only the bits we are interested in */
- pci_write_config_word(dev, where, status);
-
- return status;
-}
-
-typedef void (*pci_parity_check_fn_t) (struct pci_dev *dev);
-
-/* Clear any PCI parity errors logged by this device. */
-static void edac_pci_dev_parity_clear(struct pci_dev *dev)
-{
- u8 header_type;
-
- get_pci_parity_status(dev, 0);
-
- /* read the device TYPE, looking for bridges */
- pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
-
- if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE)
- get_pci_parity_status(dev, 1);
-}
-
-/*
- * PCI Parity polling
- *
- */
-static void edac_pci_dev_parity_test(struct pci_dev *dev)
-{
- u16 status;
- u8 header_type;
-
- /* read the STATUS register on this device
- */
- status = get_pci_parity_status(dev, 0);
-
- debugf2("PCI STATUS= 0x%04x %s\n", status, dev->dev.bus_id );
-
- /* check the status reg for errors */
- if (status) {
- if (status & (PCI_STATUS_SIG_SYSTEM_ERROR))
- edac_printk(KERN_CRIT, EDAC_PCI,
- "Signaled System Error on %s\n",
- pci_name(dev));
-
- if (status & (PCI_STATUS_PARITY)) {
- edac_printk(KERN_CRIT, EDAC_PCI,
- "Master Data Parity Error on %s\n",
- pci_name(dev));
-
- atomic_inc(&pci_parity_count);
- }
-
- if (status & (PCI_STATUS_DETECTED_PARITY)) {
- edac_printk(KERN_CRIT, EDAC_PCI,
- "Detected Parity Error on %s\n",
- pci_name(dev));
-
- atomic_inc(&pci_parity_count);
- }
- }
-
- /* read the device TYPE, looking for bridges */
- pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
-
- debugf2("PCI HEADER TYPE= 0x%02x %s\n", header_type, dev->dev.bus_id );
-
- if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
- /* On bridges, need to examine secondary status register */
- status = get_pci_parity_status(dev, 1);
-
- debugf2("PCI SEC_STATUS= 0x%04x %s\n",
- status, dev->dev.bus_id );
-
- /* check the secondary status reg for errors */
- if (status) {
- if (status & (PCI_STATUS_SIG_SYSTEM_ERROR))
- edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
- "Signaled System Error on %s\n",
- pci_name(dev));
-
- if (status & (PCI_STATUS_PARITY)) {
- edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
- "Master Data Parity Error on "
- "%s\n", pci_name(dev));
-
- atomic_inc(&pci_parity_count);
- }
-
- if (status & (PCI_STATUS_DETECTED_PARITY)) {
- edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
- "Detected Parity Error on %s\n",
- pci_name(dev));
-
- atomic_inc(&pci_parity_count);
- }
- }
- }
-}
-
-/*
- * check_dev_on_list: Scan for a PCI device on a white/black list
- * @list: an EDAC &edac_pci_device_list white/black list pointer
- * @free_index: index of next free entry on the list
- * @pci_dev: PCI Device pointer
- *
- * see if list contains the device.
- *
- * Returns: 0 not found
- * 1 found on list
- */
-static int check_dev_on_list(struct edac_pci_device_list *list,
- int free_index, struct pci_dev *dev)
-{
- int i;
- int rc = 0; /* Assume not found */
- unsigned short vendor=dev->vendor;
- unsigned short device=dev->device;
-
- /* Scan the list, looking for a vendor/device match */
- for (i = 0; i < free_index; i++, list++ ) {
- if ((list->vendor == vendor ) && (list->device == device )) {
- rc = 1;
- break;
- }
- }
-
- return rc;
-}
-
-/*
- * pci_dev parity list iterator
- * Scan the PCI device list for one iteration, looking for SERRORs
- * Master Parity ERRORS or Parity ERRORs on primary or secondary devices
- */
-static inline void edac_pci_dev_parity_iterator(pci_parity_check_fn_t fn)
-{
- struct pci_dev *dev = NULL;
-
- /* request for kernel access to the next PCI device, if any,
- * and while we are looking at it have its reference count
- * bumped until we are done with it
- */
- while((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
- /* if whitelist exists then it has priority, so only scan
- * those devices on the whitelist
- */
- if (pci_whitelist_count > 0 ) {
- if (check_dev_on_list(pci_whitelist,
- pci_whitelist_count, dev))
- fn(dev);
- } else {
- /*
- * if no whitelist, then check if this devices is
- * blacklisted
- */
- if (!check_dev_on_list(pci_blacklist,
- pci_blacklist_count, dev))
- fn(dev);
- }
- }
-}
-
-static void do_pci_parity_check(void)
-{
- unsigned long flags;
- int before_count;
-
- debugf3("%s()\n", __func__);
-
- if (!check_pci_parity)
- return;
-
- before_count = atomic_read(&pci_parity_count);
-
- /* scan all PCI devices looking for a Parity Error on devices and
- * bridges
- */
- local_irq_save(flags);
- edac_pci_dev_parity_iterator(edac_pci_dev_parity_test);
- local_irq_restore(flags);
-
- /* Only if operator has selected panic on PCI Error */
- if (panic_on_pci_parity) {
- /* If the count is different 'after' from 'before' */
- if (before_count != atomic_read(&pci_parity_count))
- panic("EDAC: PCI Parity Error");
- }
-}
-
-static inline void clear_pci_parity_errors(void)
-{
- /* Clear any PCI bus parity errors that devices initially have logged
- * in their registers.
- */
- edac_pci_dev_parity_iterator(edac_pci_dev_parity_clear);
-}
-
-#else /* CONFIG_PCI */
-
-static inline void do_pci_parity_check(void)
-{
- /* no-op */
-}
-
-static inline void clear_pci_parity_errors(void)
-{
- /* no-op */
-}
-
-#endif /* CONFIG_PCI */
/*
* Iterate over all MC instances and check for ECC, et al, errors
@@ -2096,10 +2110,12 @@ MODULE_DESCRIPTION("Core library routines for MC reporting");
module_param(panic_on_ue, int, 0644);
MODULE_PARM_DESC(panic_on_ue, "Panic on uncorrected error: 0=off 1=on");
+#ifdef CONFIG_PCI
module_param(check_pci_parity, int, 0644);
MODULE_PARM_DESC(check_pci_parity, "Check for PCI bus parity errors: 0=off 1=on");
module_param(panic_on_pci_parity, int, 0644);
MODULE_PARM_DESC(panic_on_pci_parity, "Panic on PCI Bus Parity error: 0=off 1=on");
+#endif
module_param(log_ue, int, 0644);
MODULE_PARM_DESC(log_ue, "Log uncorrectable error to console: 0=off 1=on");
module_param(log_ce, int, 0644);
diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h
index 8d9e83909b9c..a2c3a4607a89 100644
--- a/drivers/edac/edac_mc.h
+++ b/drivers/edac/edac_mc.h
@@ -88,6 +88,12 @@ extern int edac_debug_level;
#define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, \
PCI_DEVICE_ID_ ## vend ## _ ## dev
+#if defined(CONFIG_X86) && defined(CONFIG_PCI)
+#define dev_name(dev) pci_name(to_pci_dev(dev))
+#else
+#define dev_name(dev) to_platform_device(dev)->name
+#endif
+
/* memory devices */
enum dev_type {
DEV_UNKNOWN = 0,
@@ -327,10 +333,10 @@ struct mem_ctl_info {
struct csrow_info *csrows;
/*
* FIXME - what about controllers on other busses? - IDs must be
- * unique. pdev pointer should be sufficiently unique, but
+ * unique. dev pointer should be sufficiently unique, but
* BUS:SLOT.FUNC numbers may not be unique.
*/
- struct pci_dev *pdev;
+ struct device *dev;
const char *mod_name;
const char *mod_ver;
const char *ctl_name;
@@ -353,6 +359,8 @@ struct mem_ctl_info {
struct completion kobj_complete;
};
+#ifdef CONFIG_PCI
+
/* write all or some bits in a byte-register*/
static inline void pci_write_bits8(struct pci_dev *pdev, int offset, u8 value,
u8 mask)
@@ -401,6 +409,8 @@ static inline void pci_write_bits32(struct pci_dev *pdev, int offset,
pci_write_config_dword(pdev, offset, value);
}
+#endif /* CONFIG_PCI */
+
#ifdef CONFIG_EDAC_DEBUG
void edac_mc_dump_channel(struct channel_info *chan);
void edac_mc_dump_mci(struct mem_ctl_info *mci);
@@ -408,7 +418,7 @@ void edac_mc_dump_csrow(struct csrow_info *csrow);
#endif /* CONFIG_EDAC_DEBUG */
extern int edac_mc_add_mc(struct mem_ctl_info *mci);
-extern struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev);
+extern struct mem_ctl_info * edac_mc_del_mc(struct device *dev);
extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
unsigned long page);
extern void edac_mc_scrub_block(unsigned long page, unsigned long offset,
diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c
index fd342163cf97..baa021b96d18 100644
--- a/drivers/edac/i82860_edac.c
+++ b/drivers/edac/i82860_edac.c
@@ -17,6 +17,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define I82860_REVISION " Ver: 2.0.0 " __DATE__
+
#define i82860_printk(level, fmt, arg...) \
edac_printk(level, "i82860", fmt, ##arg)
@@ -63,17 +65,21 @@ static struct pci_dev *mci_pdev = NULL; /* init dev: in case that AGP code
static void i82860_get_error_info(struct mem_ctl_info *mci,
struct i82860_error_info *info)
{
+ struct pci_dev *pdev;
+
+ pdev = to_pci_dev(mci->dev);
+
/*
* This is a mess because there is no atomic way to read all the
* registers at once and the registers can transition from CE being
* overwritten by UE.
*/
- pci_read_config_word(mci->pdev, I82860_ERRSTS, &info->errsts);
- pci_read_config_dword(mci->pdev, I82860_EAP, &info->eap);
- pci_read_config_word(mci->pdev, I82860_DERRCTL_STS, &info->derrsyn);
- pci_read_config_word(mci->pdev, I82860_ERRSTS, &info->errsts2);
+ pci_read_config_word(pdev, I82860_ERRSTS, &info->errsts);
+ pci_read_config_dword(pdev, I82860_EAP, &info->eap);
+ pci_read_config_word(pdev, I82860_DERRCTL_STS, &info->derrsyn);
+ pci_read_config_word(pdev, I82860_ERRSTS, &info->errsts2);
- pci_write_bits16(mci->pdev, I82860_ERRSTS, 0x0003, 0x0003);
+ pci_write_bits16(pdev, I82860_ERRSTS, 0x0003, 0x0003);
/*
* If the error is the same for both reads then the first set of reads
@@ -84,8 +90,8 @@ static void i82860_get_error_info(struct mem_ctl_info *mci,
return;
if ((info->errsts ^ info->errsts2) & 0x0003) {
- pci_read_config_dword(mci->pdev, I82860_EAP, &info->eap);
- pci_read_config_word(mci->pdev, I82860_DERRCTL_STS,
+ pci_read_config_dword(pdev, I82860_EAP, &info->eap);
+ pci_read_config_word(pdev, I82860_DERRCTL_STS,
&info->derrsyn);
}
}
@@ -151,7 +157,7 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx)
return -ENOMEM;
debugf3("%s(): init mci\n", __func__);
- mci->pdev = pdev;
+ mci->dev = &pdev->dev;
mci->mtype_cap = MEM_FLAG_DDR;
mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED;
@@ -160,12 +166,12 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx)
/* adjust FLAGS */
mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.1.2.6 $";
+ mci->mod_ver = I82860_REVISION;
mci->ctl_name = i82860_devs[dev_idx].ctl_name;
mci->edac_check = i82860_check;
mci->ctl_page_to_phys = NULL;
- pci_read_config_word(mci->pdev, I82860_MCHCFG, &mchcfg_ddim);
+ pci_read_config_word(pdev, I82860_MCHCFG, &mchcfg_ddim);
mchcfg_ddim = mchcfg_ddim & 0x180;
/*
@@ -179,7 +185,7 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx)
u32 cumul_size;
struct csrow_info *csrow = &mci->csrows[index];
- pci_read_config_word(mci->pdev, I82860_GBA + index * 2,
+ pci_read_config_word(pdev, I82860_GBA + index * 2,
&value);
cumul_size = (value & I82860_GBA_MASK) <<
@@ -240,7 +246,7 @@ static void __devexit i82860_remove_one(struct pci_dev *pdev)
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
edac_mc_free(mci);
diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c
index 0aec92698f17..3f509a7ea02a 100644
--- a/drivers/edac/i82875p_edac.c
+++ b/drivers/edac/i82875p_edac.c
@@ -21,6 +21,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define I82875P_REVISION " Ver: 2.0.0 " __DATE__
+
#define i82875p_printk(level, fmt, arg...) \
edac_printk(level, "i82875p", fmt, ##arg)
@@ -185,18 +187,22 @@ static int i82875p_registered = 1;
static void i82875p_get_error_info(struct mem_ctl_info *mci,
struct i82875p_error_info *info)
{
+ struct pci_dev *pdev;
+
+ pdev = to_pci_dev(mci->dev);
+
/*
* This is a mess because there is no atomic way to read all the
* registers at once and the registers can transition from CE being
* overwritten by UE.
*/
- pci_read_config_word(mci->pdev, I82875P_ERRSTS, &info->errsts);
- pci_read_config_dword(mci->pdev, I82875P_EAP, &info->eap);
- pci_read_config_byte(mci->pdev, I82875P_DES, &info->des);
- pci_read_config_byte(mci->pdev, I82875P_DERRSYN, &info->derrsyn);
- pci_read_config_word(mci->pdev, I82875P_ERRSTS, &info->errsts2);
+ pci_read_config_word(pdev, I82875P_ERRSTS, &info->errsts);
+ pci_read_config_dword(pdev, I82875P_EAP, &info->eap);
+ pci_read_config_byte(pdev, I82875P_DES, &info->des);
+ pci_read_config_byte(pdev, I82875P_DERRSYN, &info->derrsyn);
+ pci_read_config_word(pdev, I82875P_ERRSTS, &info->errsts2);
- pci_write_bits16(mci->pdev, I82875P_ERRSTS, 0x0081, 0x0081);
+ pci_write_bits16(pdev, I82875P_ERRSTS, 0x0081, 0x0081);
/*
* If the error is the same then we can for both reads then
@@ -208,9 +214,9 @@ static void i82875p_get_error_info(struct mem_ctl_info *mci,
return;
if ((info->errsts ^ info->errsts2) & 0x0081) {
- pci_read_config_dword(mci->pdev, I82875P_EAP, &info->eap);
- pci_read_config_byte(mci->pdev, I82875P_DES, &info->des);
- pci_read_config_byte(mci->pdev, I82875P_DERRSYN,
+ pci_read_config_dword(pdev, I82875P_EAP, &info->eap);
+ pci_read_config_byte(pdev, I82875P_DES, &info->des);
+ pci_read_config_byte(pdev, I82875P_DERRSYN,
&info->derrsyn);
}
}
@@ -337,14 +343,14 @@ static int i82875p_probe1(struct pci_dev *pdev, int dev_idx)
}
debugf3("%s(): init mci\n", __func__);
- mci->pdev = pdev;
+ mci->dev = &pdev->dev;
mci->mtype_cap = MEM_FLAG_DDR;
mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED;
mci->edac_cap = EDAC_FLAG_UNKNOWN;
/* adjust FLAGS */
mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.5.2.11 $";
+ mci->mod_ver = I82875P_REVISION;
mci->ctl_name = i82875p_devs[dev_idx].ctl_name;
mci->edac_check = i82875p_check;
mci->ctl_page_to_phys = NULL;
@@ -437,7 +443,7 @@ static void __devexit i82875p_remove_one(struct pci_dev *pdev)
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
pvt = (struct i82875p_pvt *) mci->pvt_info;
diff --git a/drivers/edac/r82600_edac.c b/drivers/edac/r82600_edac.c
index 2c29fafe67c7..d04769aade5d 100644
--- a/drivers/edac/r82600_edac.c
+++ b/drivers/edac/r82600_edac.c
@@ -23,6 +23,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define R82600_REVISION " Ver: 2.0.0 " __DATE__
+
#define r82600_printk(level, fmt, arg...) \
edac_printk(level, "r82600", fmt, ##arg)
@@ -134,17 +136,20 @@ static unsigned int disable_hardware_scrub = 0;
static void r82600_get_error_info (struct mem_ctl_info *mci,
struct r82600_error_info *info)
{
- pci_read_config_dword(mci->pdev, R82600_EAP, &info->eapr);
+ struct pci_dev *pdev;
+
+ pdev = to_pci_dev(mci->dev);
+ pci_read_config_dword(pdev, R82600_EAP, &info->eapr);
if (info->eapr & BIT(0))
/* Clear error to allow next error to be reported [p.62] */
- pci_write_bits32(mci->pdev, R82600_EAP,
+ pci_write_bits32(pdev, R82600_EAP,
((u32) BIT(0) & (u32) BIT(1)),
((u32) BIT(0) & (u32) BIT(1)));
if (info->eapr & BIT(1))
/* Clear error to allow next error to be reported [p.62] */
- pci_write_bits32(mci->pdev, R82600_EAP,
+ pci_write_bits32(pdev, R82600_EAP,
((u32) BIT(0) & (u32) BIT(1)),
((u32) BIT(0) & (u32) BIT(1)));
}
@@ -232,7 +237,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
}
debugf0("%s(): mci = %p\n", __func__, mci);
- mci->pdev = pdev;
+ mci->dev = &pdev->dev;
mci->mtype_cap = MEM_FLAG_RDDR | MEM_FLAG_DDR;
mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED;
/* FIXME try to work out if the chip leads have been used for COM2
@@ -253,7 +258,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
mci->edac_cap = EDAC_FLAG_NONE;
mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.1.2.6 $";
+ mci->mod_ver = R82600_REVISION;
mci->ctl_name = "R82600";
mci->edac_check = r82600_check;
mci->ctl_page_to_phys = NULL;
@@ -265,7 +270,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
u32 row_base;
/* find the DRAM Chip Select Base address and mask */
- pci_read_config_byte(mci->pdev, R82600_DRBA + index, &drbar);
+ pci_read_config_byte(pdev, R82600_DRBA + index, &drbar);
debugf1("MC%d: %s() Row=%d DRBA = %#0x\n", mci->mc_idx,
__func__, index, drbar);
@@ -309,7 +314,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
if (disable_hardware_scrub) {
debugf3("%s(): Disabling Hardware Scrub (scrub on error)\n",
__func__);
- pci_write_bits32(mci->pdev, R82600_EAP, BIT(31), BIT(31));
+ pci_write_bits32(pdev, R82600_EAP, BIT(31), BIT(31));
}
debugf3("%s(): success\n", __func__);
@@ -338,7 +343,7 @@ static void __devexit r82600_remove_one(struct pci_dev *pdev)
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
edac_mc_free(mci);