On Wed, 14 Oct 2020 08:57:22 +0000 Xu Wang <vulab@xxxxxxxxxxx> wrote:
> 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@xxxxxxxxxxx>
Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> ---
> drivers/video/fbdev/sh_mobile_lcdcfb.c | 6 ++----
> 1 file 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);
> }
> }
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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