[PATCH 2/4] phy: qcom-qusb2: get optional clock by devm_clk_get_optional()

[Chunfeng Yun]

Use devm_clk_get_optional() to get optional clock

Cc: Andy Gross <andy.gross@xxxxxxxxxx>
Cc: David Brown <david.brown@xxxxxxxxxx>
Cc: Vivek Gautam <vivek.gautam@xxxxxxxxxxxxxx>
Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
 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)) {
-- 
2.20.1