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Message-ID: <e4676089-7ce2-e123-4e2a-a7d8835e9118@linaro.org>
Date:   Tue, 29 Nov 2022 09:53:48 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Chukun Pan <amadeus@....edu.cn>,
        "David S . Miller" <davem@...emloft.net>
Cc:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        David Wu <david.wu@...k-chips.com>,
        Rob Herring <robh+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/2] ethernet: stmicro: stmmac: Add SGMII/QSGMII support
 for RK3568

On 29/11/2022 08:27, Chukun Pan wrote:
> From: David Wu <david.wu@...k-chips.com>
> 
> The gmac of RK3568 supports RGMII/SGMII/QSGMII interface.
> This patch adds the remaining SGMII/QSGMII support.

Do not use "This commit/patch".
https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95

> 
> Run-tested-on: Ariaboard Photonicat (GMAC0 SGMII)
> 
> Signed-off-by: David Wu <david.wu@...k-chips.com>
> [rebase, rewrite commit message]
> Signed-off-by: Chukun Pan <amadeus@....edu.cn>
> ---
>  .../net/ethernet/stmicro/stmmac/dwmac-rk.c    | 210 +++++++++++++++++-
>  1 file changed, 207 insertions(+), 3 deletions(-)
> 

>  
> -static int phy_power_on(struct rk_priv_data *bsp_priv, bool enable)
> +static int rk_gmac_phy_power_on(struct rk_priv_data *bsp_priv, bool enable)
>  {
>  	struct regulator *ldo = bsp_priv->regulator;
>  	int ret;
> @@ -1728,6 +1909,18 @@ static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev,
>  							"rockchip,grf");
>  	bsp_priv->php_grf = syscon_regmap_lookup_by_phandle(dev->of_node,
>  							    "rockchip,php-grf");
> +	bsp_priv->xpcs = syscon_regmap_lookup_by_phandle(dev->of_node,
> +							 "rockchip,xpcs");
> +	if (!IS_ERR(bsp_priv->xpcs)) {
> +		struct phy *comphy;
> +
> +		comphy = devm_of_phy_get(&pdev->dev, dev->of_node, NULL);

So instead of having PHY driver, you added a syscon and implemented PHY
driver here. No. Make a proper PHY driver.

Best regards,
Krzysztof

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