1 files changed, 2 insertions, 2 deletions

diff --git a/include/asm-mips/sgi/ioc.h b/include/asm-mips/sgi/ioc.h
index f3e3dc9bb732..343ed15f8dc4 100644
--- a/include/asm-mips/sgi/ioc.h
+++ b/include/asm-mips/sgi/ioc.h
@@ -138,8 +138,8 @@ struct sgioc_regs {
         u8 _sysid[3];
         volatile u8 sysid;
 #define SGIOC_SYSID_FULLHOUSE   0x01
-#define SGIOC_SYSID_BOARDREV(x) ((x & 0xe0) > 5)
-#define SGIOC_SYSID_CHIPREV(x)  ((x & 0x1e) > 1)
+#define SGIOC_SYSID_BOARDREV(x) (((x) & 0x1e) >> 1)
+#define SGIOC_SYSID_CHIPREV(x)  (((x) & 0xe0) >> 5)
         u32 _unused2;
         u8 _read[3];
         volatile u8 read;