linux-kernel - [v2 PATCH 2/4] phy: qcom-qusb2: get optional clock by devm_clk_get

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Message-ID: <50f5c2410bb86691329e5cb4d7ec38d1811fff33.1554874961.git.chunfeng.yun@mediatek.com>
Date:   Wed, 10 Apr 2019 14:13:04 +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>,
        Vivek Gautam <vivek.gautam@...eaurora.org>
Subject: [v2 PATCH 2/4] phy: qcom-qusb2: get optional clock by devm_clk_get_optional()

Use devm_clk_get_optional() to get optional clock

Cc: Andy Gross <andy.gross@...aro.org>
Cc: David Brown <david.brown@...aro.org>
Cc: Vivek Gautam <vivek.gautam@...eaurora.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
v2: no changes
---
 drivers/phy/qualcomm/phy-qcom-qusb2.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index 8fd7ce139772..1cbf1d6f28ce 100644
--- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
+++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
@@ -822,14 +822,9 @@ static int qusb2_phy_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	qphy->iface_clk = devm_clk_get(dev, "iface");
-	if (IS_ERR(qphy->iface_clk)) {
-		ret = PTR_ERR(qphy->iface_clk);
-		if (ret == -EPROBE_DEFER)
-			return ret;
-		qphy->iface_clk = NULL;
-		dev_dbg(dev, "failed to get iface clk, %d\n", ret);
-	}
+	qphy->iface_clk = devm_clk_get_optional(dev, "iface");
+	if (IS_ERR(qphy->iface_clk))
+		return PTR_ERR(qphy->iface_clk);
 
 	qphy->phy_reset = devm_reset_control_get_by_index(&pdev->dev, 0);
 	if (IS_ERR(qphy->phy_reset)) {
-- 
2.21.0