From d2a7107d3a8ef4d7e62c85db50bebf032fe5a3b6 Mon Sep 17 00:00:00 2001 From: Xu Wang Date: Thu, 31 Dec 2020 09:41:55 +0000 Subject: [PATCH] drm/msm/mdp4: Remove redundant null check before clk_prepare_enable/clk_disable_unprepare Because clk_prepare_enable() and clk_disable_unprepare() already checked NULL clock parameter, so the additional checks are unnecessary, just remove them. Signed-off-by: Xu Wang Reviewed-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20201231094155.25481-1-vulab@iscas.ac.cn Signed-off-by: Dmitry Baryshkov Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c index cdcaf470f1480..5a33bb148e9ef 100644 --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c @@ -173,12 +173,9 @@ int mdp4_disable(struct mdp4_kms *mdp4_kms) DBG(""); clk_disable_unprepare(mdp4_kms->clk); - if (mdp4_kms->pclk) - clk_disable_unprepare(mdp4_kms->pclk); - if (mdp4_kms->lut_clk) - clk_disable_unprepare(mdp4_kms->lut_clk); - if (mdp4_kms->axi_clk) - clk_disable_unprepare(mdp4_kms->axi_clk); + clk_disable_unprepare(mdp4_kms->pclk); + clk_disable_unprepare(mdp4_kms->lut_clk); + clk_disable_unprepare(mdp4_kms->axi_clk); return 0; } @@ -188,12 +185,9 @@ int mdp4_enable(struct mdp4_kms *mdp4_kms) DBG(""); clk_prepare_enable(mdp4_kms->clk); - if (mdp4_kms->pclk) - clk_prepare_enable(mdp4_kms->pclk); - if (mdp4_kms->lut_clk) - clk_prepare_enable(mdp4_kms->lut_clk); - if (mdp4_kms->axi_clk) - clk_prepare_enable(mdp4_kms->axi_clk); + clk_prepare_enable(mdp4_kms->pclk); + clk_prepare_enable(mdp4_kms->lut_clk); + clk_prepare_enable(mdp4_kms->axi_clk); return 0; } -- 2.39.5