linux-kernel - Re: [v2 PATCH 4/4] phy: phy-meson-gxl-usb2: get optional clock by devm_clk_get

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Message-ID: <ece510f7d393e4b04c920e88968e9bb41cde6b14.camel@baylibre.com>
Date:   Wed, 10 Apr 2019 10:18:47 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>
Cc:     Kevin Hilman <khilman@...libre.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        Motoya Tanigawa <tanigawa.motoya@...ionext.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org
Subject: Re: [v2 PATCH 4/4] phy: phy-meson-gxl-usb2: get optional clock by
 devm_clk_get_optional()

On Wed, 2019-04-10 at 14:13 +0800, Chunfeng Yun wrote:
> Use devm_clk_get_optional() to get optional clock
> 
> Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> Acked-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>

Reviewed-by: Jerome Brunet <jbrunet@...libre.com>

> ---
> v2: add Acked-by Martin Blumenstingl
> ---
>  drivers/phy/amlogic/phy-meson-gxl-usb2.c | 11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/phy/amlogic/phy-meson-gxl-usb2.c b/drivers/phy/amlogic/phy-meson-gxl-usb2.c
> index 148ef0bdb9c1..4cbee412f2b0 100644
> --- a/drivers/phy/amlogic/phy-meson-gxl-usb2.c
> +++ b/drivers/phy/amlogic/phy-meson-gxl-usb2.c
> @@ -261,14 +261,9 @@ static int phy_meson_gxl_usb2_probe(struct platform_device *pdev)
>  	if (IS_ERR(priv->regmap))
>  		return PTR_ERR(priv->regmap);
>  
> -	priv->clk = devm_clk_get(dev, "phy");
> -	if (IS_ERR(priv->clk)) {
> -		ret = PTR_ERR(priv->clk);
> -		if (ret == -ENOENT)
> -			priv->clk = NULL;
> -		else
> -			return ret;
> -	}
> +	priv->clk = devm_clk_get_optional(dev, "phy");
> +	if (IS_ERR(priv->clk))
> +		return PTR_ERR(priv->clk);
>  
>  	priv->reset = devm_reset_control_get_optional_shared(dev, "phy");
>  	if (IS_ERR(priv->reset))