[PATCH] clk: remove set but not used variable 'fref'

[yu kuai]

drivers/clk/clk-bm1880.c: In function âbm1880_pll_rate_calcâ:
drivers/clk/clk-bm1880.c:477:13: warning: variable âfrefâ set but not
used [-Wunused-but-set-variable]

It is never used, so can be removed.

Signed-off-by: yu kuai <yukuai3@xxxxxxxxxx>
---
 drivers/clk/clk-bm1880.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/clk/clk-bm1880.c b/drivers/clk/clk-bm1880.c
index 4cd175afce9b..e6d6599d310a 100644
--- a/drivers/clk/clk-bm1880.c
+++ b/drivers/clk/clk-bm1880.c
@@ -474,11 +474,10 @@ static struct bm1880_composite_clock bm1880_composite_clks[] = {
 static unsigned long bm1880_pll_rate_calc(u32 regval, unsigned long parent_rate)
 {
 	u64 numerator;
-	u32 fbdiv, fref, refdiv;
+	u32 fbdiv, refdiv;
 	u32 postdiv1, postdiv2, denominator;
 
 	fbdiv = (regval >> 16) & 0xfff;
-	fref = parent_rate;
 	refdiv = regval & 0x1f;
 	postdiv1 = (regval >> 8) & 0x7;
 	postdiv2 = (regval >> 12) & 0x7;
-- 
2.17.2