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-rw-r--r--arch/powerpc/include/asm/pci-bridge.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 8cccbee61519..025a130729bc 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -182,14 +182,25 @@ 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;
}
+#else
+#define of_node_to_eeh_dev(x) (NULL)
#endif
/** Find the bus corresponding to the indicated device node */
extern struct pci_bus *pcibios_find_pci_bus(struct device_node *dn);
/** Remove all of the PCI devices under this bus */
+extern void __pcibios_remove_pci_devices(struct pci_bus *bus, int purge_pe);
extern void pcibios_remove_pci_devices(struct pci_bus *bus);
/** Discover new pci devices under this bus, and add them */
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