linux-kernel - Re: [PATCH 6/6] clk: qcom: apss-ipq-pll: add support for IPQ8074

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Date:   Mon, 11 Jul 2022 13:06:25 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Robert Marko <robimarko@...il.com>, bjorn.andersson@...aro.org,
        agross@...nel.org, konrad.dybcio@...ainline.org,
        mturquette@...libre.com, sboyd@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, sivaprak@...eaurora.org,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/6] clk: qcom: apss-ipq-pll: add support for IPQ8074

On 11/07/2022 12:47, Robert Marko wrote:
> Add support for IPQ8074 since it uses the same PLL setup, however it does
> not require the Alpha PLL to be reconfigured.
> 
> Signed-off-by: Robert Marko <robimarko@...il.com>
> ---
>  drivers/clk/qcom/apss-ipq-pll.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/qcom/apss-ipq-pll.c b/drivers/clk/qcom/apss-ipq-pll.c
> index bef7899ad0d6..acfb3ec4f142 100644
> --- a/drivers/clk/qcom/apss-ipq-pll.c
> +++ b/drivers/clk/qcom/apss-ipq-pll.c
> @@ -55,6 +55,7 @@ static const struct regmap_config ipq_pll_regmap_config = {
>  static int apss_ipq_pll_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
> +	struct device_node *node = dev->of_node;
>  	struct regmap *regmap;
>  	void __iomem *base;
>  	int ret;
> @@ -67,7 +68,8 @@ static int apss_ipq_pll_probe(struct platform_device *pdev)
>  	if (IS_ERR(regmap))
>  		return PTR_ERR(regmap);
>  
> -	clk_alpha_pll_configure(&ipq_pll, regmap, &ipq_pll_config);
> +	if (of_device_is_compatible(node, "qcom,ipq6018-a53pll"))

Use match data instead with quirks. Better not to encode compatibles all
through the code.

Best regards,
Krzysztof