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>

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;
 }