clk_prepare_enable() and clk_disable_unprepare() will check NULL clock parameter, so It is not necessary to add additional checks.
Signed-off-by: Tian Tao <tiant...@hisilicon.com> --- drivers/gpu/drm/msm/msm_gpu.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 57ddc94..25bc654 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -175,15 +175,12 @@ static int disable_clk(struct msm_gpu *gpu) static int enable_axi(struct msm_gpu *gpu) { - if (gpu->ebi1_clk) - clk_prepare_enable(gpu->ebi1_clk); - return 0; + return clk_prepare_enable(gpu->ebi1_clk); } static int disable_axi(struct msm_gpu *gpu) { - if (gpu->ebi1_clk) - clk_disable_unprepare(gpu->ebi1_clk); + clk_disable_unprepare(gpu->ebi1_clk); return 0; } -- 2.7.4