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SubjectRe: [PATCH] omapfb/dss: Remove redundant null check before clk_prepare_enable/clk_disable_unprepare
On Wed, 14 Oct 2020 08:49:20 +0000 Xu Wang <vulab@iscas.ac.cn> 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@iscas.ac.cn>

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>

> ---
> drivers/video/fbdev/omap2/omapfb/dss/venc.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/venc.c
> b/drivers/video/fbdev/omap2/omapfb/dss/venc.c index
> 0b0ad20afd63..8895fb8493d8 100644 ---
> a/drivers/video/fbdev/omap2/omapfb/dss/venc.c +++
> b/drivers/video/fbdev/omap2/omapfb/dss/venc.c @@ -890,8 +890,7 @@ static
> int venc_remove(struct platform_device *pdev)
> static int venc_runtime_suspend(struct device *dev)
> {
> - if (venc.tv_dac_clk)
> - clk_disable_unprepare(venc.tv_dac_clk);
> + clk_disable_unprepare(venc.tv_dac_clk);
>
> dispc_runtime_put();
>
> @@ -906,8 +905,7 @@ static int venc_runtime_resume(struct device *dev)
> if (r < 0)
> return r;
>
> - if (venc.tv_dac_clk)
> - clk_prepare_enable(venc.tv_dac_clk);
> + clk_prepare_enable(venc.tv_dac_clk);
>
> return 0;
> }



--
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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