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@linaro.org>
Cc: David Brown <david.brown@linaro.org>
Cc: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index 8fd7ce139772ab1886c43433a0ff58bcb90e24da..1cbf1d6f28ce2038b2cce238867ef582ab305487 100644 (file)
--- 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)) {