linux-kernel - Re: [PATCH 3/7] clk: qcom: hfpll: Allow matching pdata

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Date:   Mon, 24 Jul 2023 10:51:32 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Adam Skladowski <a39.skl@...il.com>
Cc:     phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/7] clk: qcom: hfpll: Allow matching pdata

Il 23/07/23 16:06, Adam Skladowski ha scritto:
> HFPLL driver can be used to drive PLLs also on different SoCs like MSM8976
> On MSM8976 each PLL gets it own different configuration,
> add matching pdata to driver to support multiple configurations.
> 
> Signed-off-by: Adam Skladowski <a39.skl@...il.com>
> ---
>   drivers/clk/qcom/hfpll.c | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/clk/qcom/hfpll.c b/drivers/clk/qcom/hfpll.c
> index f4d78003d189..ec18bc8f0089 100644
> --- a/drivers/clk/qcom/hfpll.c
> +++ b/drivers/clk/qcom/hfpll.c
> @@ -6,6 +6,7 @@
>   #include <linux/module.h>
>   #include <linux/platform_device.h>
>   #include <linux/of.h>
> +#include <linux/of_device.h>
>   #include <linux/clk.h>
>   #include <linux/clk-provider.h>
>   #include <linux/regmap.h>
> @@ -32,7 +33,7 @@ static const struct hfpll_data hdata = {
>   };
>   
>   static const struct of_device_id qcom_hfpll_match_table[] = {
> -	{ .compatible = "qcom,hfpll" },
> +	{ .compatible = "qcom,hfpll", &hdata },

This is supposed to be

{ .compatible = xxx, .data = &hdata }

Regards,
Angelo

>   	{ }
>   };
>   MODULE_DEVICE_TABLE(of, qcom_hfpll_match_table);
> @@ -83,7 +84,7 @@ static int qcom_hfpll_probe(struct platform_device *pdev)
>   
>   	init.parent_data = &pdata;
>   
> -	h->d = &hdata;
> +	h->d = of_device_get_match_data(&pdev->dev);
>   	h->clkr.hw.init = &init;
>   	spin_lock_init(&h->lock);
>