linux-kernel - Re: [PATCH v2 1/2] ARM: dts: qcom: replace gcc PXO with pxo

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Message-ID: <CAA8EJpoxddxoWnX+aQbzeAQH_g04WsDqtQcY9vyu-XGJLfibkA@mail.gmail.com>
Date:   Sat, 30 Apr 2022 16:25:45 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Ansuel Smith <ansuelsmth@...il.com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] ARM: dts: qcom: replace gcc PXO with pxo_board
 fixed clock

On Sat, 30 Apr 2022 at 15:59, Ansuel Smith <ansuelsmth@...il.com> wrote:
>
> Replace gcc PXO phandle to pxo_board fixed clock declared in the dts.
> gcc driver doesn't provide PXO_SRC as it's a fixed-clock. This cause a
> kernel panic if any driver actually try to use it.
>
> Fixes: 40cf5c884a96 ("ARM: dts: qcom: add L2CC and RPM for IPQ8064")
> Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> ---
>  arch/arm/boot/dts/qcom-ipq8064.dtsi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi
> index 996f4458d9fc..e6ca8d1d1c5f 100644
> --- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
> +++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
> @@ -304,7 +304,7 @@ cxo_board {
>                         clock-frequency = <25000000>;
>                 };
>
> -               pxo_board {
> +               pxo_board: pxo_board {
>                         compatible = "fixed-clock";
>                         #clock-cells = <0>;
>                         clock-frequency = <25000000>;
> @@ -782,7 +782,7 @@ tcsr: syscon@...00000 {
>                 l2cc: clock-controller@...1000 {
>                         compatible = "qcom,kpss-gcc", "syscon";
>                         reg = <0x2011000 0x1000>;
> -                       clocks = <&gcc PLL8_VOTE>, <&gcc PXO_SRC>;
> +                       clocks = <&gcc PLL8_VOTE>, <&pxo_board>;
>                         clock-names = "pll8_vote", "pxo";
>                         clock-output-names = "acpu_l2_aux";
>                 };
> --
> 2.34.1
>


-- 
With best wishes
Dmitry