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Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh.c')
-rw-r--r--arch/powerpc/platforms/pseries/eeh.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 02bc1f9..9e597cb 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -106,6 +106,8 @@ static DEFINE_PER_CPU(unsigned long, false_positives);
static DEFINE_PER_CPU(unsigned long, ignored_failures);
static DEFINE_PER_CPU(unsigned long, slot_resets);
+#define IS_BRIDGE(class_code) (((class_code)<<16) == PCI_BASE_CLASS_BRIDGE)
+
/* --------------------------------------------------------------- */
/* Below lies the EEH event infrastructure */
@@ -620,7 +622,7 @@ void eeh_restore_bars(struct pci_dn *pdn)
if (!pdn)
return;
- if ((pdn->eeh_mode & EEH_MODE_SUPPORTED) && (!pdn->eeh_is_bridge))
+ if ((pdn->eeh_mode & EEH_MODE_SUPPORTED) && !IS_BRIDGE(pdn->class_code))
__restore_bars (pdn);
dn = pdn->node->child;
@@ -638,18 +640,15 @@ void eeh_restore_bars(struct pci_dn *pdn)
* PCI devices are added individuallly; but, for the restore,
* an entire slot is reset at a time.
*/
-void eeh_save_bars(struct pci_dev * pdev, struct pci_dn *pdn)
+static void eeh_save_bars(struct pci_dn *pdn)
{
int i;
- if (!pdev || !pdn )
+ if (!pdn )
return;
for (i = 0; i < 16; i++)
- pci_read_config_dword(pdev, i * 4, &pdn->config_space[i]);
-
- if (pdev->hdr_type == PCI_HEADER_TYPE_BRIDGE)
- pdn->eeh_is_bridge = 1;
+ rtas_read_config(pdn, i * 4, 4, &pdn->config_space[i]);
}
void
@@ -699,6 +698,7 @@ static void *early_enable_eeh(struct device_node *dn, void *data)
int enable;
struct pci_dn *pdn = PCI_DN(dn);
+ pdn->class_code = *class_code;
pdn->eeh_mode = 0;
pdn->eeh_check_count = 0;
pdn->eeh_freeze_count = 0;
@@ -781,6 +781,7 @@ static void *early_enable_eeh(struct device_node *dn, void *data)
dn->full_name);
}
+ eeh_save_bars(pdn);
return NULL;
}
@@ -915,7 +916,6 @@ void eeh_add_device_late(struct pci_dev *dev)
pdn->pcidev = dev;
pci_addr_cache_insert_device (dev);
- eeh_save_bars(dev, pdn);
}
EXPORT_SYMBOL_GPL(eeh_add_device_late);
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