phy: omap-usb2: Fix missing clk_prepare call when using old dt name

Current code does not call clk_prepare(phy->optclk) when using the old
usb_otg_ss_refclk960m name. Fix it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c
index c4917b2..4757e76 100644 (file)
--- a/drivers/phy/phy-omap-usb2.c
+++ b/drivers/phy/phy-omap-usb2.c
@@ -296,10 +296,11 @@ static int omap_usb2_probe(struct platform_device *pdev)
                        dev_warn(&pdev->dev,
                                 "found usb_otg_ss_refclk960m, please fix DTS\n");
                }
-       } else {
-               clk_prepare(phy->optclk);
        }
 
+       if (!IS_ERR(phy->optclk))
+               clk_prepare(phy->optclk);
+
        usb_add_phy_dev(&phy->phy);
 
        return 0;