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authorZhangfei Gao <zhangfei.gao@linaro.org>2014-03-10 11:33:20 +0800
committerMike Turquette <mturquette@linaro.org>2014-03-20 19:05:39 -0700
commitc115b13b85af69df0314556213db0b73cd8ea7e6 (patch)
treeebb993b7d1d4e42095452f79f266f44b4406f335 /drivers/clk/hisilicon
parenta665962e8f4484647e7a19b4d6329d42ed8bc804 (diff)
downloadlinux-c115b13b85af69df0314556213db0b73cd8ea7e6.tar.gz
clk: hisilicon: fix warning from smatch
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>
Diffstat (limited to 'drivers/clk/hisilicon')
-rw-r--r--drivers/clk/hisilicon/clk-hi3620.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/clk/hisilicon/clk-hi3620.c b/drivers/clk/hisilicon/clk-hi3620.c
index 233eba22187a..339945d2503b 100644
--- a/drivers/clk/hisilicon/clk-hi3620.c
+++ b/drivers/clk/hisilicon/clk-hi3620.c
@@ -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;
 }