linux-kernel - Re: [PATCH v3 15/15] phy: qcom-qmp-pcie: add support for sc8280xp 4-lane PHYs

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Message-ID: <d2c2b274-ecee-456e-25b1-dd161641720c@linaro.org>
Date:   Fri, 21 Oct 2022 14:19:41 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Johan Hovold <johan+linaro@...nel.org>,
        Vinod Koul <vkoul@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 15/15] phy: qcom-qmp-pcie: add support for sc8280xp
 4-lane PHYs

On 21/10/2022 14:09, Johan Hovold wrote:
> The PCIe2 and PCIe3 controllers and PHYs on SC8280XP can be used in
> 4-lane mode or as separate controllers and PHYs in 2-lane mode (e.g. as
> PCIe2A and PCIe2B).
> 
> Add support for fetching the 4-lane configuration from the TCSR and
> programming the lane registers of the second port when in 4-lane mode.
> 
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> ---
>   drivers/phy/qualcomm/Kconfig             |   1 +
>   drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 117 +++++++++++++++++++++++
>   2 files changed, 118 insertions(+)

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