linux-kernel - Re: [PATCH v2] clk: qcom: clk-alpha-pll: fix CAL_L write in alpha_pll_fabia

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Message-ID: <bc6bd251-bd17-1f21-d205-ef343232993b@codeaurora.org>
Date:   Mon, 28 Jun 2021 16:25:51 +0530
From:   Taniya Das <tdas@...eaurora.org>
To:     Jonathan Marek <jonathan@...ek.ca>, linux-arm-msm@...r.kernel.org
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        "open list:COMMON CLK FRAMEWORK" <linux-clk@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] clk: qcom: clk-alpha-pll: fix CAL_L write in
 alpha_pll_fabia_prepare

Reviewed-by: Taniya Das <tdas@...eaurora.org>

On 6/9/2021 7:58 AM, Jonathan Marek wrote:
> Caught this when looking at alpha-pll code. Untested but it is clear that
> this was intended to write to PLL_CAL_L_VAL and not PLL_ALPHA_VAL.
> 
> Fixes: 691865bad627 ("clk: qcom: clk-alpha-pll: Add support for Fabia PLL calibration")
> Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
> ---
>   drivers/clk/qcom/clk-alpha-pll.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
> index 94b53c7db2f7f..eaedcceb766f9 100644
> --- a/drivers/clk/qcom/clk-alpha-pll.c
> +++ b/drivers/clk/qcom/clk-alpha-pll.c
> @@ -1255,7 +1255,7 @@ static int alpha_pll_fabia_prepare(struct clk_hw *hw)
>   		return ret;
>   
>   	/* Setup PLL for calibration frequency */
> -	regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), cal_l);
> +	regmap_write(pll->clkr.regmap, PLL_CAL_L_VAL(pll), cal_l);
>   
>   	/* Bringup the PLL at calibration frequency */
>   	ret = clk_alpha_pll_enable(hw);
> 

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