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mpc8220/i2c.c: Fix GCC 4.6 build warning

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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>
This commit is contained in:
Wolfgang Denk 2011-11-04 15:55:58 +00:00
parent 918e34674f
commit 8b337be04e
1 changed files with 2 additions and 4 deletions
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6
arch/powerpc/cpu/mpc8220/i2c.c
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@ -105,15 +105,13 @@ static int wait_for_bb (void)
status = mpc_reg_in (&regs->sr); status = mpc_reg_in (&regs->sr);
while (timeout-- && (status & I2C_BB)) { 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, I2C_STA);
mpc_reg_out (&regs->cr, 0, 0); mpc_reg_out (&regs->cr, 0, 0);
mpc_reg_out (&regs->cr, I2C_EN, 0); mpc_reg_out (&regs->cr, I2C_EN, 0);
#endif
udelay (1000); udelay (1000);
status = mpc_reg_in (&regs->sr); status = mpc_reg_in (&regs->sr);
} }