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clk: hisilicon: fix warning from smatch

Browse Source 
drivers/clk/hisilicon/clk-hi3620.c:338
mmc_clk_delay() warn: always true condition '(para >= 0) => (0-u32max >= 0)'

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
This commit is contained in:
Zhangfei Gao 2014-03-10 11:33:20 +08:00 committed by Mike Turquette
parent a665962e8f
commit c115b13b85
1 changed files with 7 additions and 8 deletions
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15
drivers/clk/hisilicon/clk-hi3620.c
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@ -326,15 +326,14 @@ static u32 mmc_clk_delay(u32 val, u32 para, u32 off, u32 len)
{
u32 i;
if (para >= 0) {
for (i = 0; i < len; i++) {
if (para % 2)
val |= 1 << (off + i);
else
val &= ~(1 << (off + i));
para = para >> 1;
}
for (i = 0; i < len; i++) {
if (para % 2)
val |= 1 << (off + i);
else
val &= ~(1 << (off + i));
para = para >> 1;
}
return val;
}