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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>
This commit is contained in:
Richard A Lary 2011-05-04 12:57:18 +00:00 committed by Benjamin Herrenschmidt
parent 40bd587a88
commit 82578e192b
1 changed files with 13 additions and 9 deletions
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22
arch/powerpc/platforms/pseries/eeh_driver.c
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@ -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