linux-kernel - Re: [PATCH v3 1/3] phy/qualcomm: add regulator_set

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Message-ID: <CAE-0n533Rf55ypeCY=A4dpxzdviUO3G9NFS41nceds6ZVFt-BQ@mail.gmail.com>
Date:   Wed, 18 May 2022 13:51:55 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Kuogee Hsieh <quic_khsieh@...cinc.com>, agross@...nel.org,
        airlied@...ux.ie, bjorn.andersson@...aro.org, daniel@...ll.ch,
        dianders@...omium.org, dmitry.baryshkov@...aro.org,
        dri-devel@...ts.freedesktop.org, robdclark@...il.com,
        sean@...rly.run, vkoul@...nel.org
Cc:     quic_abhinavk@...cinc.com, quic_aravindh@...cinc.com,
        quic_sbillaka@...cinc.com, freedreno@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] phy/qualcomm: add regulator_set_load to edp phy

Should subject be "phy: qcom:" prefix?

Quoting Kuogee Hsieh (2022-05-18 13:24:02)
> This patch add regulator_set_load() before enable regulator at
> eDP phy driver.
>
> Changes in v3:
> -- no regulator_set_load before disable regulator
> -- no supply name string change at probe
> -- split into two patches

These don't go here because this isn't a drm patch.

>
> Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
> ---
>  drivers/phy/qualcomm/phy-qcom-edp.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
> index cacd32f..00b6726 100644
> --- a/drivers/phy/qualcomm/phy-qcom-edp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-edp.c
> @@ -635,6 +641,8 @@ static int qcom_edp_phy_probe(struct platform_device *pdev)
>
>         edp->supplies[0].supply = "vdda-phy";
>         edp->supplies[1].supply = "vdda-pll";
> +       edp->enable_load[0] = 21800;    /* 1.2 V */
> +       edp->enable_load[1] = 36000;    /* 1.2 V */

What does the comment mean? This is the load for 1.2V supply? Can we
have that sort of comment instead of "1.2 V"?

>         ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(edp->supplies), edp->supplies);
>         if (ret)