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Diffstat (limited to 'arch/powerpc/kernel/eeh_pe.c')
-rw-r--r--arch/powerpc/kernel/eeh_pe.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c
index 5a63e2b0f65b..1e4946c36f9e 100644
--- a/arch/powerpc/kernel/eeh_pe.c
+++ b/arch/powerpc/kernel/eeh_pe.c
@@ -239,10 +239,18 @@ static void *__eeh_pe_get(void *data, void *flag)
if (pe->type & EEH_PE_PHB)
return NULL;
- /* We prefer PE address */
- if (edev->pe_config_addr &&
- (edev->pe_config_addr == pe->addr))
+ /*
+ * We prefer PE address. For most cases, we should
+ * have non-zero PE address
+ */
+ if (eeh_has_flag(EEH_VALID_PE_ZERO)) {
+ if (edev->pe_config_addr == pe->addr)
+ return pe;
+ } else {
+ if (edev->pe_config_addr &&
+ (edev->pe_config_addr == pe->addr))
return pe;
+ }
/* Try BDF address */
if (edev->config_addr &&
@@ -518,8 +526,7 @@ static void *__eeh_pe_state_mark(void *data, void *flag)
struct pci_dev *pdev;
/* Keep the state of permanently removed PE intact */
- if ((pe->freeze_count > EEH_MAX_ALLOWED_FREEZES) &&
- (state & (EEH_PE_ISOLATED | EEH_PE_RECOVERING)))
+ if (pe->state & EEH_PE_REMOVED)
return NULL;
pe->state |= state;
@@ -592,8 +599,7 @@ static void *__eeh_pe_state_clear(void *data, void *flag)
struct pci_dev *pdev;
/* Keep the state of permanently removed PE intact */
- if ((pe->freeze_count > EEH_MAX_ALLOWED_FREEZES) &&
- (state & EEH_PE_ISOLATED))
+ if (pe->state & EEH_PE_REMOVED)
return NULL;
pe->state &= ~state;