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

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Date:   Wed, 10 Apr 2019 14:13:06 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Kishon Vijay Abraham I <kishon@...com>
CC:     Kevin Hilman <khilman@...libre.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.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: [v2 PATCH 4/4] phy: phy-meson-gxl-usb2: get optional clock by devm_clk_get_optional()

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>
---
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))
-- 
2.21.0