mpc8220/i2c.c: Fix GCC 4.6 build warning

Fix:
i2c.c: In function 'wait_for_bb':
i2c.c:109:16: warning: variable 'temp' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Heiko Schocher <hs@denx.de>

diff --git a/arch/powerpc/cpu/mpc8220/i2c.c b/arch/powerpc/cpu/mpc8220/i2c.c
index 76ecdf11e214e3e539c67535f140cffec33c3c5d..2f35d20c87e1929017adf1229fdcd9706f70e597 100644 (file)
--- a/arch/powerpc/cpu/mpc8220/i2c.c
+++ b/arch/powerpc/cpu/mpc8220/i2c.c
@@ -105,15 +105,13 @@ static int wait_for_bb (void)
        status = mpc_reg_in (&regs->sr);
 
        while (timeout-- && (status & I2C_BB)) {
        status = mpc_reg_in (&regs->sr);
 
        while (timeout-- && (status & I2C_BB)) {

-#if 1
-               volatile int temp;

 
                mpc_reg_out (&regs->cr, I2C_STA, I2C_STA);
 
                mpc_reg_out (&regs->cr, I2C_STA, I2C_STA);

-               temp = mpc_reg_in (&regs->dr);
+               (void)mpc_reg_in (&regs->dr);

                mpc_reg_out (&regs->cr, 0, I2C_STA);
                mpc_reg_out (&regs->cr, 0, 0);
                mpc_reg_out (&regs->cr, I2C_EN, 0);
                mpc_reg_out (&regs->cr, 0, I2C_STA);
                mpc_reg_out (&regs->cr, 0, 0);
                mpc_reg_out (&regs->cr, I2C_EN, 0);

-#endif
+

                udelay (1000);
                status = mpc_reg_in (&regs->sr);
        }
                udelay (1000);
                status = mpc_reg_in (&regs->sr);
        }