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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 <vulab@iscas.ac.cn>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20201231094155.25481-1-vulab@iscas.ac.cn
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Xu Wang 2020-12-31 09:41:55 +00:00 committed by Rob Clark
parent c9ef97b694
commit d2a7107d3a
1 changed files with 6 additions and 12 deletions
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18
drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
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@ -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;
}