mpc8xx/cpu.c: Fix GCC 4.6 build warnings

Fix:
cpu.c: In function 'check_CPU':
cpu.c:188:8: warning: variable 'mid' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Wolfgang Denk <wd@denx.de>

diff --git a/arch/powerpc/cpu/mpc8xx/cpu.c b/arch/powerpc/cpu/mpc8xx/cpu.c
index 142cfa5b98890d138bfca176b18326aed7df88aa..5cbf9a688eda0c01d2980b0655509f924cc96778 100644 (file)
--- a/arch/powerpc/cpu/mpc8xx/cpu.c
+++ b/arch/powerpc/cpu/mpc8xx/cpu.c
@@ -40,6 +40,7 @@
 #include <commproc.h>
 #include <netdev.h>
 #include <asm/cache.h>
+#include <linux/compiler.h>
 
 #if defined(CONFIG_OF_LIBFDT)
 #include <libfdt.h>
@@ -185,7 +186,7 @@ static int check_CPU (long clock, uint pvr, uint immr)
        uint k, m;
        char buf[32];
        char pre = 'X';
-       char *mid = "xx";
+       __maybe_unused char *mid = "xx";
        char *suf;
 
        /* the highest 16 bits should be 0x0050 for a 8xx */