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drm/msm: dsi: 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/20201231095616.25973-1-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 09:56:16 +00:00 committed by Rob Clark
parent d2a7107d3a
commit 993247ffdd
1 changed files with 6 additions and 9 deletions
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15
drivers/gpu/drm/msm/dsi/dsi_host.c
View File

@ -558,13 +558,11 @@ int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host)
goto pixel_clk_err;
}
if (msm_host->byte_intf_clk) {
ret = clk_prepare_enable(msm_host->byte_intf_clk);
if (ret) {
pr_err("%s: Failed to enable byte intf clk\n",
__func__);
goto byte_intf_clk_err;
}
ret = clk_prepare_enable(msm_host->byte_intf_clk);
if (ret) {
pr_err("%s: Failed to enable byte intf clk\n",
__func__);
goto byte_intf_clk_err;
}
return 0;
@ -660,8 +658,7 @@ void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host)
dev_pm_opp_set_rate(&msm_host->pdev->dev, 0);
clk_disable_unprepare(msm_host->esc_clk);
clk_disable_unprepare(msm_host->pixel_clk);
if (msm_host->byte_intf_clk)
clk_disable_unprepare(msm_host->byte_intf_clk);
clk_disable_unprepare(msm_host->byte_intf_clk);
clk_disable_unprepare(msm_host->byte_clk);
}