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authorRichard A Lary <rlary@linux.vnet.ibm.com>2011-05-04 12:57:18 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-05-06 13:32:31 +1000
commit82578e192bb837b984ed5d8389245ea1fee09dd5 (patch)
tree35cee0dad1a8f6438b6982085cea42b4a0f63358 /arch/powerpc/platforms
parent40bd587a88fcd425f489f3d9f0be7daa84014141 (diff)
powerpc/eeh: Display eeh error location for bus and device
For adapters which have devices under a PCIe switch/bridge it is informative to display information for both the PCIe switch/bridge and the device on which the bus error was detected. rebased to powerpc-next Signed-off-by: Richard A Lary <rlary@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/pseries/eeh_driver.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index b8d70f5d9aa..1b6cb10589e 100644
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -328,7 +328,7 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event)
struct pci_bus *frozen_bus;
int rc = 0;
enum pci_ers_result result = PCI_ERS_RESULT_NONE;
- const char *location, *pci_str, *drv_str;
+ const char *location, *pci_str, *drv_str, *bus_pci_str, *bus_drv_str;
frozen_dn = find_device_pe(event->dn);
if (!frozen_dn) {
@@ -364,13 +364,8 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event)
frozen_pdn = PCI_DN(frozen_dn);
frozen_pdn->eeh_freeze_count++;
- if (frozen_pdn->pcidev) {
- pci_str = pci_name (frozen_pdn->pcidev);
- drv_str = pcid_name (frozen_pdn->pcidev);
- } else {
- pci_str = eeh_pci_name(event->dev);
- drv_str = pcid_name (event->dev);
- }
+ pci_str = eeh_pci_name(event->dev);
+ drv_str = pcid_name(event->dev);
if (frozen_pdn->eeh_freeze_count > EEH_MAX_ALLOWED_FREEZES)
goto excess_failures;
@@ -378,8 +373,17 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event)
printk(KERN_WARNING
"EEH: This PCI device has failed %d times in the last hour:\n",
frozen_pdn->eeh_freeze_count);
+
+ if (frozen_pdn->pcidev) {
+ bus_pci_str = pci_name(frozen_pdn->pcidev);
+ bus_drv_str = pcid_name(frozen_pdn->pcidev);
+ printk(KERN_WARNING
+ "EEH: Bus location=%s driver=%s pci addr=%s\n",
+ location, bus_drv_str, bus_pci_str);
+ }
+
printk(KERN_WARNING
- "EEH: location=%s driver=%s pci addr=%s\n",
+ "EEH: Device location=%s driver=%s pci addr=%s\n",
location, drv_str, pci_str);
/* Walk the various device drivers attached to this slot through