linux-kernel - Re: [PATCH v3 08/11] phy: qualcomm: phy-qcom-qmp-ufs: Rectify SM8550 UFS HS-G4 PHY Settings

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Date:   Wed, 22 Nov 2023 10:32:17 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Can Guo <quic_cang@...cinc.com>
Cc:     bvanassche@....org, mani@...nel.org, stanley.chu@...iatek.com,
        adrian.hunter@...el.com, beanhuo@...ron.com, avri.altman@....com,
        junwoo80.lee@...sung.com, martin.petersen@...cle.com,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        Abel Vesa <abel.vesa@...aro.org>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@...r.kernel.org>,
        "open list:GENERIC PHY FRAMEWORK" <linux-phy@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 08/11] phy: qualcomm: phy-qcom-qmp-ufs: Rectify SM8550
 UFS HS-G4 PHY Settings

On Wed, 22 Nov 2023 at 09:11, Can Guo <quic_cang@...cinc.com> wrote:
>
> The registers, which are being touched in current SM8550 UFS PHY settings,
> and the values being programmed are mainly the ones working for HS-G4 mode,
> meanwhile, there are also a few ones somehow taken from HS-G5 PHY settings.
> However, even consider HS-G4 mode only, some of them are incorrect and some
> are missing. Rectify the HS-G4 PHY settings by strictly aligning with the
> SM8550 UFS PHY Hardware Programming Guide suggested HS-G4 PHY settings.
>
> Fixes: 1679bfef906f ("phy: qcom-qmp-ufs: Add SM8550 support")
> Signed-off-by: Can Guo <quic_cang@...cinc.com>

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

> ---
>  .../qualcomm/phy-qcom-qmp-qserdes-txrx-ufs-v6.h    |  3 +++
>  drivers/phy/qualcomm/phy-qcom-qmp-ufs.c            | 28 +++++++++++++++-------
>  2 files changed, 22 insertions(+), 9 deletions(-)


-- 
With best wishes
Dmitry