linux-kernel - Re: [PATCH 13/21] clk: qcom: gcc-ipq4019: Remove unused variable 'ret'

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Date:   Tue, 26 Jan 2021 08:01:29 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     linux-kernel@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH 13/21] clk: qcom: gcc-ipq4019: Remove unused variable
 'ret'

On Tue 26 Jan 06:45 CST 2021, Lee Jones wrote:

> Fixes the following W=1 kernel build warning(s):
> 
>  drivers/clk/qcom/gcc-ipq4019.c: In function ‘clk_cpu_div_set_rate’:
>  drivers/clk/qcom/gcc-ipq4019.c:1279:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
> 
> Cc: Andy Gross <agross@...nel.org>
> Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
> Cc: Michael Turquette <mturquette@...libre.com>
> Cc: Stephen Boyd <sboyd@...nel.org>
> Cc: linux-arm-msm@...r.kernel.org
> Cc: linux-clk@...r.kernel.org

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

> Signed-off-by: Lee Jones <lee.jones@...aro.org>
> ---
>  drivers/clk/qcom/gcc-ipq4019.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/clk/qcom/gcc-ipq4019.c b/drivers/clk/qcom/gcc-ipq4019.c
> index ef5137fd50f3f..8abad4032de71 100644
> --- a/drivers/clk/qcom/gcc-ipq4019.c
> +++ b/drivers/clk/qcom/gcc-ipq4019.c
> @@ -1276,16 +1276,15 @@ static int clk_cpu_div_set_rate(struct clk_hw *hw, unsigned long rate,
>  	struct clk_fepll *pll = to_clk_fepll(hw);
>  	const struct freq_tbl *f;
>  	u32 mask;
> -	int ret;
>  
>  	f = qcom_find_freq(pll->freq_tbl, rate);
>  	if (!f)
>  		return -EINVAL;
>  
>  	mask = (BIT(pll->cdiv.width) - 1) << pll->cdiv.shift;
> -	ret = regmap_update_bits(pll->cdiv.clkr.regmap,
> -				 pll->cdiv.reg, mask,
> -				 f->pre_div << pll->cdiv.shift);
> +	regmap_update_bits(pll->cdiv.clkr.regmap,
> +			   pll->cdiv.reg, mask,
> +			   f->pre_div << pll->cdiv.shift);
>  	/*
>  	 * There is no status bit which can be checked for successful CPU
>  	 * divider update operation so using delay for the same.
> -- 
> 2.25.1
>