linux-kernel - Re: [PATCH 03/26] phy: qcom: add the SGMII SerDes PHY driver

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Message-ID: <20230613173937.fhk2cqcankg6oej6@ripper>
Date:   Tue, 13 Jun 2023 10:39:37 -0700
From:   Bjorn Andersson <andersson@...nel.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Vinod Koul <vkoul@...nel.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>, netdev@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 03/26] phy: qcom: add the SGMII SerDes PHY driver

On Mon, Jun 12, 2023 at 11:23:32AM +0200, Bartosz Golaszewski wrote:
> diff --git a/drivers/phy/qualcomm/phy-qcom-sgmii-eth.c b/drivers/phy/qualcomm/phy-qcom-sgmii-eth.c
[..]
> +static int qcom_dwmac_sgmii_phy_probe(struct platform_device *pdev)
> +{
> +	struct qcom_dwmac_sgmii_phy_data *data;
> +	struct device *dev = &pdev->dev;
> +	struct phy_provider *provider;
> +	struct clk *refclk;
> +	void __iomem *base;
> +	struct phy *phy;
> +
> +	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
> +	if (!data)
> +		return -ENOMEM;
> +
> +	base = devm_platform_ioremap_resource(pdev, 0);
> +	if (IS_ERR(base))
> +		return PTR_ERR(base);
> +
> +	data->regmap = devm_regmap_init_mmio(dev, base,
> +					     &qcom_dwmac_sgmii_phy_regmap_cfg);
> +	if (IS_ERR(data->regmap))
> +		return PTR_ERR(data->regmap);
> +
> +	phy = devm_phy_create(dev, NULL, &qcom_dwmac_sgmii_phy_ops);
> +	if (IS_ERR(phy))
> +		return PTR_ERR(phy);
> +
> +	refclk = devm_clk_get_enabled(dev, "sgmi_ref");
> +	if (IS_ERR(refclk))
> +		return PTR_ERR(refclk);
> +
> +	provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
> +	if (IS_ERR(provider))
> +		return PTR_ERR(provider);
> +
> +	phy_set_drvdata(phy, data);
> +	platform_set_drvdata(pdev, data);

You don't use the pdev's dev's drvdata, so I think you can drop the
platform_set_drvdata()

Regards,
Bjorn

> +
> +	return 0;
> +}