linux-kernel - [PATCH -next] clk: bm1800: Remove set but not used variable 'fref'

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Message-ID: <20191129033534.188257-1-yuehaibing@huawei.com>
Date:   Fri, 29 Nov 2019 03:35:34 +0000
From:   YueHaibing <yuehaibing@...wei.com>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        "Michael Turquette" <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
CC:     YueHaibing <yuehaibing@...wei.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next] clk: bm1800: Remove set but not used variable 'fref'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/clk/clk-bm1880.c: In function 'bm1880_pll_rate_calc':
drivers/clk/clk-bm1880.c:477:13: warning:
 variable 'fref' set but not used [-Wunused-but-set-variable]

It is never used, so remove it.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 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;