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phy: rockchip-usb: Fixup rockchip_usb_phy_power_on failure path

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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>
This commit is contained in:
Axel Lin 2015-03-04 09:33:32 +08:00 committed by Kishon Vijay Abraham I
parent a5e5d3c0b2
commit 6b08e36ba3
1 changed files with 3 additions and 3 deletions
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6
drivers/phy/phy-rockchip-usb.c
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@ -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;
}