linux-kernel - Re: [PATCH v3 3/4] clk: qcom: lpasscc-sc7280: Skip qdsp6ss clock registration

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Message-ID: <c4863514-942f-eb31-f79c-d08522f3d2b5@microchip.com>
Date:   Thu, 5 Jan 2023 10:35:14 +0000
From:   <Claudiu.Beznea@...rochip.com>
To:     <quic_srivasam@...cinc.com>, <swboyd@...omium.org>,
        <agross@...nel.org>, <andersson@...nel.org>, <robh+dt@...nel.org>,
        <broonie@...nel.org>, <quic_plai@...cinc.com>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <konrad.dybcio@...ainline.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_rohkumar@...cinc.com>
Subject: Re: [PATCH v3 3/4] clk: qcom: lpasscc-sc7280: Skip qdsp6ss clock
 registration

On 04.01.2023 15:29, Srinivasa Rao Mandadapu wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> The qdsp6ss memory region is being shared by ADSP remoteproc device and
> lpasscc clock device, hence causing memory conflict.
> As the qdsp6ss clocks are being enabled in remoteproc driver, skip qdsp6ss
> clock registration if "qcom,adsp-pil-mode" is enabled.
> 
> Fixes: 4ab43d171181 ("clk: qcom: Add lpass clock controller driver for SC7280")
> 
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
> Tested-by: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
> ---
>  drivers/clk/qcom/lpasscc-sc7280.c | 15 +++++++++------
>  1 file changed, 9 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/clk/qcom/lpasscc-sc7280.c b/drivers/clk/qcom/lpasscc-sc7280.c
> index 5c1e17b..e1af32c 100644
> --- a/drivers/clk/qcom/lpasscc-sc7280.c
> +++ b/drivers/clk/qcom/lpasscc-sc7280.c
> @@ -118,12 +118,15 @@ static int lpass_cc_sc7280_probe(struct platform_device *pdev)
>                 goto destroy_pm_clk;
>         }
> 
> -       lpass_regmap_config.name = "qdsp6ss";
> -       desc = &lpass_qdsp6ss_sc7280_desc;
> -
> -       ret = qcom_cc_probe_by_index(pdev, 0, desc);
> -       if (ret)
> -               goto destroy_pm_clk;
> +       if (!of_property_read_bool(pdev->dev.of_node, "qcom,adsp-pil-mode")) {
> +               lpass_regmap_config.name = "qdsp6ss";
> +               desc = &lpass_qdsp6ss_sc7280_desc;
> +
> +               ret = qcom_cc_probe_by_index(pdev, 0, desc);
> +               if (ret)
> +                       goto destroy_pm_clk;
> +               }

The } seems extra here.

> +       }
> 
>         lpass_regmap_config.name = "top_cc";
>         desc = &lpass_cc_top_sc7280_desc;
> --
> 2.7.4
>