[PATCH] drm/omap: Remove unnecessary NULL check before clk_prepare_enable/clk_disable_unprepare

[Chen Ni]

clk_prepare_enable() and clk_disable_unprepare() already checked
NULL clock parameter.Remove unneeded NULL check for clk here.

Signed-off-by: Chen Ni <nic...@iscas.ac.cn>
---
 drivers/gpu/drm/omapdrm/dss/venc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c 
b/drivers/gpu/drm/omapdrm/dss/venc.c
index aaeef603682c..7d521840d4f6 100644
--- a/drivers/gpu/drm/omapdrm/dss/venc.c
+++ b/drivers/gpu/drm/omapdrm/dss/venc.c
@@ -882,8 +882,7 @@ static __maybe_unused int venc_runtime_suspend(struct 
device *dev)
 {
        struct venc_device *venc = dev_get_drvdata(dev);
 
-       if (venc->tv_dac_clk)
-               clk_disable_unprepare(venc->tv_dac_clk);
+       clk_disable_unprepare(venc->tv_dac_clk);
 
        return 0;
 }
@@ -892,8 +891,7 @@ static __maybe_unused int venc_runtime_resume(struct device 
*dev)
 {
        struct venc_device *venc = dev_get_drvdata(dev);
 
-       if (venc->tv_dac_clk)
-               clk_prepare_enable(venc->tv_dac_clk);
+       clk_prepare_enable(venc->tv_dac_clk);
 
        return 0;
 }
-- 
2.25.1