There has already been NULL check in clk_prepare_enable() and
clk_disable_unprepare(), so remove needless NULL check before
calling them.
Signed-off-by: Guo Zhengkui <guozhengkui@xxxxxxxx>
---
drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
index 2ed528c065fa..ac9e122586bc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
@@ -41,11 +41,9 @@ nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev)
ret = clk_prepare_enable(tdev->clk);
if (ret)
goto err_clk;
- if (tdev->clk_ref) {
- ret = clk_prepare_enable(tdev->clk_ref);
- if (ret)
- goto err_clk_ref;
- }
+ ret = clk_prepare_enable(tdev->clk_ref);
+ if (ret)
+ goto err_clk_ref;
ret = clk_prepare_enable(tdev->clk_pwr);
if (ret)
goto err_clk_pwr;
@@ -70,8 +68,7 @@ nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev)
err_clamp:
clk_disable_unprepare(tdev->clk_pwr);
err_clk_pwr:
- if (tdev->clk_ref)
- clk_disable_unprepare(tdev->clk_ref);
+ clk_disable_unprepare(tdev->clk_ref);
err_clk_ref:
clk_disable_unprepare(tdev->clk);
err_clk:
@@ -87,8 +84,7 @@ nvkm_device_tegra_power_down(struct nvkm_device_tegra *tdev)
int ret;
clk_disable_unprepare(tdev->clk_pwr);
- if (tdev->clk_ref)
- clk_disable_unprepare(tdev->clk_ref);
+ clk_disable_unprepare(tdev->clk_ref);
clk_disable_unprepare(tdev->clk);
udelay(10);
--
2.20.1
