arch/powerpc/cpu/mpc512x/i2c.c: Fix GCC 4.6 warnings
Fix:
i2c.c: In function 'wait_for_bb':
i2c.c:81:16: warning: variable 'temp' set but not used
[-Wunused-but-set-variable]
Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/arch/powerpc/cpu/mpc512x/i2c.c b/arch/powerpc/cpu/mpc512x/i2c.c
index e2d9097..0ea1280 100644
--- a/arch/powerpc/cpu/mpc512x/i2c.c
+++ b/arch/powerpc/cpu/mpc512x/i2c.c
@@ -78,9 +78,8 @@
status = mpc_reg_in (®s->msr);
while (timeout-- && (status & I2C_BB)) {
- volatile int temp;
mpc_reg_out (®s->mcr, I2C_STA, I2C_STA);
- temp = mpc_reg_in (®s->mdr);
+ (void)mpc_reg_in(®s->mdr);
mpc_reg_out (®s->mcr, 0, I2C_STA);
mpc_reg_out (®s->mcr, 0, 0);
mpc_reg_out (®s->mcr, I2C_EN, 0);