[PATCH] drm/ingenic: remove redundant null check

From: Xu Wang
Date: Wed Sep 30 2020 - 04:24:57 EST


Because clk_disable_unprepare already checked NULL clock parameter,
so the additional checks are unnecessary, just remove them.

Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx>
---
drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index b7074161ccf0..9dce02e779ad 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -932,8 +932,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
return 0;

err_devclk_disable:
- if (priv->lcd_clk)
- clk_disable_unprepare(priv->lcd_clk);
+ clk_disable_unprepare(priv->lcd_clk);
err_pixclk_disable:
clk_disable_unprepare(priv->pix_clk);
return ret;
@@ -953,8 +952,7 @@ static void ingenic_drm_unbind(struct device *dev)
{
struct ingenic_drm *priv = dev_get_drvdata(dev);

- if (priv->lcd_clk)
- clk_disable_unprepare(priv->lcd_clk);
+ clk_disable_unprepare(priv->lcd_clk);
clk_disable_unprepare(priv->pix_clk);

drm_dev_unregister(&priv->drm);
--
2.17.1