diff mbox series

drm/msm: dsi: Remove redundant null check before clk_prepare_enable/clk_disable_unprepare

Message ID 20201231095616.25973-1-vulab@iscas.ac.cn
State Accepted
Commit 993247ffdd3ed5ac3319a5edcd251bef1d65083e
Headers show
Series drm/msm: dsi: Remove redundant null check before clk_prepare_enable/clk_disable_unprepare | expand

Commit Message

Wentao Liang Dec. 31, 2020, 9:56 a.m. UTC 
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>
---
 drivers/gpu/drm/msm/dsi/dsi_host.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index ab281cba0f08..e7af90f045bf 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -565,13 +565,11 @@  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;
@@ -667,8 +665,7 @@  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);
 }