[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>
git-mirror · Jan 29, 2008 · 68efdb8 · 68efdb8
1 parent e9c3357
commit 68efdb8
Showing 1 changed file with 2 additions and 2 deletions.
diff --git 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;