diff options
| author | Xu Wang <vulab@iscas.ac.cn> | 2020-10-14 08:57:22 +0000 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2020-10-16 11:50:31 +0200 |
| commit | 5988c2695f4074b44049cd77c4482c0748a8d632 (patch) | |
| tree | 11bf423b9ecab43bc89b4ab10e4b27ce738ac34c /drivers/video/fbdev | |
| parent | f57074189dfc96500b866f522fb7a7b5d21b2c27 (diff) | |
video: fbdev: sh_mobile_lcdcfb: 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>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201014085722.26069-1-vulab@iscas.ac.cn
Diffstat (limited to 'drivers/video/fbdev')
| -rw-r--r-- | drivers/video/fbdev/sh_mobile_lcdcfb.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c index c1043420dbd3..c0952cc96bdb 100644 --- a/drivers/video/fbdev/sh_mobile_lcdcfb.c +++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c @@ -341,8 +341,7 @@ static void lcdc_wait_bit(struct sh_mobile_lcdc_priv *priv, static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv) { if (atomic_inc_and_test(&priv->hw_usecnt)) { - if (priv->dot_clk) - clk_prepare_enable(priv->dot_clk); + clk_prepare_enable(priv->dot_clk); pm_runtime_get_sync(priv->dev); } } @@ -351,8 +350,7 @@ static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv) { if (atomic_sub_return(1, &priv->hw_usecnt) == -1) { pm_runtime_put(priv->dev); - if (priv->dot_clk) - clk_disable_unprepare(priv->dot_clk); + clk_disable_unprepare(priv->dot_clk); } } |