linux-kernel - Re: [PATCH] ARM: dts: qcom-sdx55: Fix the base address of PCIe PHY

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Date:   Mon, 11 Dec 2023 19:39:25 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: qcom-sdx55: Fix the base address of PCIe PHY

On Mon, 11 Dec 2023 at 19:24, Manivannan Sadhasivam
<manivannan.sadhasivam@...aro.org> wrote:
>
> While convering the binding to new format, serdes address specified in the
> old binding was used as the base address. This causes a boot hang as the
> driver tries to access memory region outside of the specified address. Fix
> it!
>
> Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Cc: stable@...r.kernel.org # 6.6
> Fixes: bb56cff4ac03 ("ARM: dts: qcom-sdx55: switch PCIe QMP PHY to new style of bindings")
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

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

> ---
>  arch/arm/boot/dts/qcom/qcom-sdx55.dtsi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/qcom/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom/qcom-sdx55.dtsi
> index 2aa5089a8513..a88f186fcf03 100644
> --- a/arch/arm/boot/dts/qcom/qcom-sdx55.dtsi
> +++ b/arch/arm/boot/dts/qcom/qcom-sdx55.dtsi
> @@ -436,9 +436,9 @@ pcie_ep: pcie-ep@...0000 {
>                         status = "disabled";
>                 };
>
> -               pcie_phy: phy@...7000 {
> +               pcie_phy: phy@...6000 {
>                         compatible = "qcom,sdx55-qmp-pcie-phy";
> -                       reg = <0x01c07000 0x2000>;
> +                       reg = <0x01c06000 0x2000>;
>                         #address-cells = <1>;
>                         #size-cells = <1>;
>                         ranges;
> --
> 2.25.1
>


-- 
With best wishes
Dmitry