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Subject: Re: [PATCH] phy: stm32: adopt dev_err_probe for regulators
To:     Fabrice Gasnier <fabrice.gasnier@foss.st.com>, <vkoul@kernel.org>,
        <kishon@ti.com>
CC:     <alexandre.torgue@foss.st.com>, <linux-phy@lists.infradead.org>,
        <linux-stm32@st-md-mailman.stormreply.com>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>
References: <1635172265-26219-1-git-send-email-fabrice.gasnier@foss.st.com>
From:   Amelie DELAUNAY <amelie.delaunay@foss.st.com>
Message-ID: <0d889ca2-2538-ea17-5bfd-a3d137115223@foss.st.com>
Date:   Tue, 26 Oct 2021 17:50:47 +0200
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Hi Fabrice,

Thanks for your patch.

On 10/25/21 4:31 PM, Fabrice Gasnier wrote:
> Change stm32-usbphyc driver to use dev_err_probe(), to benefit of
> devices_deferred debugfs in case of probe deferral.
>  > Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>

Reviewed-by: Amelie Delaunay <amelie.delaunay@foss.st.com>

> ---
>   drivers/phy/st/phy-stm32-usbphyc.c | 10 ++++------
>   1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/phy/st/phy-stm32-usbphyc.c b/drivers/phy/st/phy-stm32-usbphyc.c
> index 7df6a63..115be0e 100644
> --- a/drivers/phy/st/phy-stm32-usbphyc.c
> +++ b/drivers/phy/st/phy-stm32-usbphyc.c
> @@ -672,17 +672,15 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
>   
>   	usbphyc->vdda1v1 = devm_regulator_get(dev, "vdda1v1");
>   	if (IS_ERR(usbphyc->vdda1v1)) {
> -		ret = PTR_ERR(usbphyc->vdda1v1);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(dev, "failed to get vdda1v1 supply: %d\n", ret);
> +		ret = dev_err_probe(dev, PTR_ERR(usbphyc->vdda1v1),
> +				    "failed to get vdda1v1 supply\n");
>   		goto clk_disable;
>   	}
>   
>   	usbphyc->vdda1v8 = devm_regulator_get(dev, "vdda1v8");
>   	if (IS_ERR(usbphyc->vdda1v8)) {
> -		ret = PTR_ERR(usbphyc->vdda1v8);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(dev, "failed to get vdda1v8 supply: %d\n", ret);
> +		ret = dev_err_probe(dev, PTR_ERR(usbphyc->vdda1v8),
> +				    "failed to get vdda1v8 supply\n");
>   		goto clk_disable;
>   	}
>   
>