[MIPS] IP22/IP28: fix extracting board/chip rev

Taken from Peter Fuersts IP28 patches

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/include/asm-mips/sgi/ioc.h b/include/asm-mips/sgi/ioc.h
index f3e3dc9bb73239341d280f0f9eab70d20c2b756e..343ed15f8dc421c16fc429064abb1973046027e7 100644 (file)
--- 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;