linux-kernel - Re: [PATCH v1 3/6] phy: amlogic: phy-meson-axg-mipi-pcie-analog: Simplify error handling with dev_err

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Message-ID: <3b62ab93-a1f8-4bc7-99a9-45ef3d18c562@linaro.org>
Date: Fri, 11 Apr 2025 10:32:42 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Anand Moon <linux.amoon@...il.com>, Vinod Koul <vkoul@...nel.org>,
 Kishon Vijay Abraham I <kishon@...nel.org>,
 Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>,
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
 "open list:GENERIC PHY FRAMEWORK" <linux-phy@...ts.infradead.org>,
 "moderated list:ARM/Amlogic Meson SoC support"
 <linux-arm-kernel@...ts.infradead.org>,
 "open list:ARM/Amlogic Meson SoC support"
 <linux-amlogic@...ts.infradead.org>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 3/6] phy: amlogic: phy-meson-axg-mipi-pcie-analog:
 Simplify error handling with dev_err_probe()

On 10/04/2025 15:33, Anand Moon wrote:
> Use dev_err_probe() for phy resources to indicate the deferral
> reason when waiting for the resource to come up.
> 
> Signed-off-by: Anand Moon <linux.amoon@...il.com>
> ---
>   drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c | 10 +++-------
>   1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c b/drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c
> index ae898f93f97b2..c0ba2852dbb8e 100644
> --- a/drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c
> +++ b/drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c
> @@ -200,7 +200,6 @@ static int phy_axg_mipi_pcie_analog_probe(struct platform_device *pdev)
>   	struct phy_axg_mipi_pcie_analog_priv *priv;
>   	struct device_node *np = dev->of_node, *parent_np;
>   	struct regmap *map;
> -	int ret;
>   
>   	priv = devm_kmalloc(dev, sizeof(*priv), GFP_KERNEL);
>   	if (!priv)
> @@ -219,12 +218,9 @@ static int phy_axg_mipi_pcie_analog_probe(struct platform_device *pdev)
>   	priv->regmap = map;
>   
>   	priv->phy = devm_phy_create(dev, np, &phy_axg_mipi_pcie_analog_ops);
> -	if (IS_ERR(priv->phy)) {
> -		ret = PTR_ERR(priv->phy);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(dev, "failed to create PHY\n");
> -		return ret;
> -	}
> +	if (IS_ERR(priv->phy))
> +		return dev_err_probe(dev, PTR_ERR(priv->phy),
> +				     "failed to create PHY\n");
>   
>   	phy_set_drvdata(priv->phy, priv);
>   	dev_set_drvdata(dev, priv);

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>