linux-kernel - Re: [PATCH v4 2/3] phy: phy-mtk-hdmi: Add generic phy configure callback

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Message-ID: <2ae616be-bec8-3a5e-60a1-75b5397d0566@gmail.com>
Date:   Mon, 21 Nov 2022 18:36:56 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Guillaume Ranquet <granquet@...libre.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Vinod Koul <vkoul@...nel.org>, CK Hu <ck.hu@...iatek.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jitao shi <jitao.shi@...iatek.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Kishon Vijay Abraham I <kishon@...com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        David Airlie <airlied@...il.com>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        stuart.lee@...iatek.com,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-arm-kernel@...ts.infradead.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, mac.shen@...iatek.com,
        linux-phy@...ts.infradead.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v4 2/3] phy: phy-mtk-hdmi: Add generic phy configure
 callback



On 21/11/2022 15:19, Guillaume Ranquet wrote:
> Some phys, such as mt8195, needs to have a configure callback defined.
> 
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> Signed-off-by: Guillaume Ranquet <granquet@...libre.com>

Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>

> ---
>   drivers/phy/mediatek/phy-mtk-hdmi.c | 12 ++++++++++++
>   drivers/phy/mediatek/phy-mtk-hdmi.h |  1 +
>   2 files changed, 13 insertions(+)
> 
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c b/drivers/phy/mediatek/phy-mtk-hdmi.c
> index b16d437d6721..32f713301768 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
> @@ -8,10 +8,12 @@
>   
>   static int mtk_hdmi_phy_power_on(struct phy *phy);
>   static int mtk_hdmi_phy_power_off(struct phy *phy);
> +static int mtk_hdmi_phy_configure(struct phy *phy, union phy_configure_opts *opts);
>   
>   static const struct phy_ops mtk_hdmi_phy_dev_ops = {
>   	.power_on = mtk_hdmi_phy_power_on,
>   	.power_off = mtk_hdmi_phy_power_off,
> +	.configure = mtk_hdmi_phy_configure,
>   	.owner = THIS_MODULE,
>   };
>   
> @@ -43,6 +45,16 @@ static int mtk_hdmi_phy_power_off(struct phy *phy)
>   	return 0;
>   }
>   
> +static int mtk_hdmi_phy_configure(struct phy *phy, union phy_configure_opts *opts)
> +{
> +	struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
> +
> +	if (hdmi_phy->conf->hdmi_phy_configure)
> +		return hdmi_phy->conf->hdmi_phy_configure(phy, opts);
> +
> +	return 0;
> +}
> +
>   static const struct phy_ops *
>   mtk_hdmi_phy_dev_get_ops(const struct mtk_hdmi_phy *hdmi_phy)
>   {
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.h b/drivers/phy/mediatek/phy-mtk-hdmi.h
> index c7fa65cff989..f5aac9d352d8 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi.h
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi.h
> @@ -24,6 +24,7 @@ struct mtk_hdmi_phy_conf {
>   	const struct clk_ops *hdmi_phy_clk_ops;
>   	void (*hdmi_phy_enable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
>   	void (*hdmi_phy_disable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
> +	int (*hdmi_phy_configure)(struct phy *phy, union phy_configure_opts *opts);
>   };
>   
>   struct mtk_hdmi_phy {
>