Commit 5988c269 authored by vulab's avatar vulab Committed by Thomas Zimmermann
Browse files

video: fbdev: sh_mobile_lcdcfb: Remove redundant null check before... 


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: default avatarXu Wang <vulab@iscas.ac.cn>
Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201014085722.26069-1-vulab@iscas.ac.cn
parent f5707418

drivers/video/fbdev/sh_mobile_lcdcfb.c

+2 −4
Original line number Diff line number Diff line
@@ -341,7 +341,6 @@ 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);

		pm_runtime_get_sync(priv->dev);

	}
@@ -351,7 +350,6 @@ 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);

	}

}