phy: rockchip-usb: Fixup rockchip_usb_phy_power_on failure path

If rockchip_usb_phy_power() fails, we need to call clk_disable_unprepare()
before return. This is to ensure we have balanced clk_enable/disable calls.
Also remove unneeded ret checking in rockchip_usb_phy_power_off.

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-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c
index 22011c3..7d4c336 100644 (file)
--- a/drivers/phy/phy-rockchip-usb.c
+++ b/drivers/phy/phy-rockchip-usb.c
@@ -61,8 +61,6 @@ static int rockchip_usb_phy_power_off(struct phy *_phy)
                return ret;
 
        clk_disable_unprepare(phy->clk);
-       if (ret)
-               return ret;
 
        return 0;
 }
@@ -78,8 +76,10 @@ static int rockchip_usb_phy_power_on(struct phy *_phy)
 
        /* Power up usb phy analog blocks by set siddq 0 */
        ret = rockchip_usb_phy_power(phy, 0);
-       if (ret)
+       if (ret) {
+               clk_disable_unprepare(phy->clk);
                return ret;
+       }
 
        return 0;
 }