From 8b337be04ec237d062ff2fab929ceea32fa3da83 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Fri, 4 Nov 2011 15:55:58 +0000 Subject: [PATCH] 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 Cc: Heiko Schocher --- arch/powerpc/cpu/mpc8220/i2c.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/cpu/mpc8220/i2c.c b/arch/powerpc/cpu/mpc8220/i2c.c index 76ecdf11e2..2f35d20c87 100644 --- 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 (®s->sr); while (timeout-- && (status & I2C_BB)) { -#if 1 - volatile int temp; mpc_reg_out (®s->cr, I2C_STA, I2C_STA); - temp = mpc_reg_in (®s->dr); + (void)mpc_reg_in (®s->dr); mpc_reg_out (®s->cr, 0, I2C_STA); mpc_reg_out (®s->cr, 0, 0); mpc_reg_out (®s->cr, I2C_EN, 0); -#endif + udelay (1000); status = mpc_reg_in (®s->sr); } -- 2.39.5