1 files changed, 4 insertions, 0 deletions

diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h
index 13aacff755f3..302f0a9878c7 100644
--- a/include/asm-powerpc/ppc-pci.h
+++ b/include/asm-powerpc/ppc-pci.h
@@ -26,6 +26,10 @@ extern unsigned long find_and_init_phbs(void);
 
 extern struct pci_dev *ppc64_isabridge_dev;     /* may be NULL if no ISA bus */
 
+/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
+#define BUID_HI(buid) ((buid) >> 32)
+#define BUID_LO(buid) ((buid) & 0xffffffff)
+
 /* PCI device_node operations */
 struct device_node;
 typedef void *(*traverse_func)(struct device_node *me, void *data);