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authorXu Wang <[email protected]>2020-12-31 09:49:35 +0000
committerRob Clark <[email protected]>2021-10-15 13:26:33 -0700
commit442f59b9c0dec876ccbad7e9839b3e969fcacd14 (patch)
tree9c10ba9e2d695c79516095f59b8840fd12a999a8
parent993247ffdd3ed5ac3319a5edcd251bef1d65083e (diff)
drm/msm/mdp5: 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 <[email protected]> Reviewed-by: Dmitry Baryshkov <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Baryshkov <[email protected]> Signed-off-by: Rob Clark <[email protected]>
-rw-r--r--drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c18
-rw-r--r--drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c12
2 files changed, 10 insertions, 20 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
index b3b42672b2d4..7b242246d4e7 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
@@ -295,15 +295,12 @@ static int mdp5_disable(struct mdp5_kms *mdp5_kms)
mdp5_kms->enable_count--;
WARN_ON(mdp5_kms->enable_count < 0);
- if (mdp5_kms->tbu_rt_clk)
- clk_disable_unprepare(mdp5_kms->tbu_rt_clk);
- if (mdp5_kms->tbu_clk)
- clk_disable_unprepare(mdp5_kms->tbu_clk);
+ clk_disable_unprepare(mdp5_kms->tbu_rt_clk);
+ clk_disable_unprepare(mdp5_kms->tbu_clk);
clk_disable_unprepare(mdp5_kms->ahb_clk);
clk_disable_unprepare(mdp5_kms->axi_clk);
clk_disable_unprepare(mdp5_kms->core_clk);
- if (mdp5_kms->lut_clk)
- clk_disable_unprepare(mdp5_kms->lut_clk);
+ clk_disable_unprepare(mdp5_kms->lut_clk);
return 0;
}
@@ -317,12 +314,9 @@ static int mdp5_enable(struct mdp5_kms *mdp5_kms)
clk_prepare_enable(mdp5_kms->ahb_clk);
clk_prepare_enable(mdp5_kms->axi_clk);
clk_prepare_enable(mdp5_kms->core_clk);
- if (mdp5_kms->lut_clk)
- clk_prepare_enable(mdp5_kms->lut_clk);
- if (mdp5_kms->tbu_clk)
- clk_prepare_enable(mdp5_kms->tbu_clk);
- if (mdp5_kms->tbu_rt_clk)
- clk_prepare_enable(mdp5_kms->tbu_rt_clk);
+ clk_prepare_enable(mdp5_kms->lut_clk);
+ clk_prepare_enable(mdp5_kms->tbu_clk);
+ clk_prepare_enable(mdp5_kms->tbu_rt_clk);
return 0;
}
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c
index 2f4895bcb0b0..0ea53420bc40 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c
@@ -136,10 +136,8 @@ static int mdp5_mdss_enable(struct msm_mdss *mdss)
DBG("");
clk_prepare_enable(mdp5_mdss->ahb_clk);
- if (mdp5_mdss->axi_clk)
- clk_prepare_enable(mdp5_mdss->axi_clk);
- if (mdp5_mdss->vsync_clk)
- clk_prepare_enable(mdp5_mdss->vsync_clk);
+ clk_prepare_enable(mdp5_mdss->axi_clk);
+ clk_prepare_enable(mdp5_mdss->vsync_clk);
return 0;
}
@@ -149,10 +147,8 @@ static int mdp5_mdss_disable(struct msm_mdss *mdss)
struct mdp5_mdss *mdp5_mdss = to_mdp5_mdss(mdss);
DBG("");
- if (mdp5_mdss->vsync_clk)
- clk_disable_unprepare(mdp5_mdss->vsync_clk);
- if (mdp5_mdss->axi_clk)
- clk_disable_unprepare(mdp5_mdss->axi_clk);
+ clk_disable_unprepare(mdp5_mdss->vsync_clk);
+ clk_disable_unprepare(mdp5_mdss->axi_clk);
clk_disable_unprepare(mdp5_mdss->ahb_clk);
return 0;