linux-kernel - [v2 PATCH 1/4] phy: phy-mtk-tphy: get optional clock by devm_clk_get

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Message-ID: <a8539bcf66065380069676fbea99a51254309803.1554874961.git.chunfeng.yun@mediatek.com>
Date:   Wed, 10 Apr 2019 14:13:03 +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 1/4] phy: phy-mtk-tphy: get optional clock by devm_clk_get_optional()

Use devm_clk_get_optional() to get optional clock

Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
v2: no changes
---
 drivers/phy/mediatek/phy-mtk-tphy.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
index 5b6a470ca145..cb2ed3b25068 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -1103,13 +1103,9 @@ static int mtk_tphy_probe(struct platform_device *pdev)
 	}
 
 	/* it's deprecated, make it optional for backward compatibility */
-	tphy->u3phya_ref = devm_clk_get(dev, "u3phya_ref");
-	if (IS_ERR(tphy->u3phya_ref)) {
-		if (PTR_ERR(tphy->u3phya_ref) == -EPROBE_DEFER)
-			return -EPROBE_DEFER;
-
-		tphy->u3phya_ref = NULL;
-	}
+	tphy->u3phya_ref = devm_clk_get_optional(dev, "u3phya_ref");
+	if (IS_ERR(tphy->u3phya_ref))
+		return PTR_ERR(tphy->u3phya_ref);
 
 	tphy->src_ref_clk = U3P_REF_CLK;
 	tphy->src_coef = U3P_SLEW_RATE_COEF;
-- 
2.21.0