summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/pci-bridge.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/include/asm/pci-bridge.h')
-rw-r--r--arch/powerpc/include/asm/pci-bridge.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index ac39e6a..78326de 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -30,6 +30,7 @@ struct pci_controller {
int first_busno;
int last_busno;
int self_busno;
+ struct resource busn;
void __iomem *io_base_virt;
#ifdef CONFIG_PPC64
@@ -181,6 +182,14 @@ static inline int pci_device_from_OF_node(struct device_node *np,
#if defined(CONFIG_EEH)
static inline struct eeh_dev *of_node_to_eeh_dev(struct device_node *dn)
{
+ /*
+ * For those OF nodes whose parent isn't PCI bridge, they
+ * don't have PCI_DN actually. So we have to skip them for
+ * any EEH operations.
+ */
+ if (!dn || !PCI_DN(dn))
+ return NULL;
+
return PCI_DN(dn)->edev;
}
#endif