drm/rockchip: analogix_dp: add missing clk_disable_unprepare() on error

Add the missing clk_disable_unprepare() before return in the
error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sean Paul <seanpaul@chromium.org>

diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index e81e19a..89aadbf 100644 (file)
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -96,6 +96,7 @@ static int rockchip_dp_poweron(struct analogix_dp_plat_data *plat_data)
        ret = rockchip_dp_pre_init(dp);
        if (ret < 0) {
                dev_err(dp->dev, "failed to dp pre init %d\n", ret);
+               clk_disable_unprepare(dp->pclk);
                return ret;
        }
 
@@ -272,6 +273,7 @@ static int rockchip_dp_init(struct rockchip_dp_device *dp)
        ret = rockchip_dp_pre_init(dp);
        if (ret < 0) {
                dev_err(dp->dev, "failed to pre init %d\n", ret);
+               clk_disable_unprepare(dp->pclk);
                return ret;
        }