Re: [PATCH] media: i2c: mt9p031: Remove redundant null check before clk_disable_unprepare

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Hi Xu Wang,

Thank you for the patch.

On Wed, Nov 04, 2020 at 09:29:48AM +0000, Xu Wang wrote:
> Because clk_disable_unprepare() already checked NULL clock parameter,
> so the additional check is unnecessary, just remove it.
> 
> Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

I expect Sakari will pick this patch.

> ---
>  drivers/media/i2c/mt9p031.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c
> index dc23b9ed510a..a633b934d93e 100644
> --- a/drivers/media/i2c/mt9p031.c
> +++ b/drivers/media/i2c/mt9p031.c
> @@ -346,8 +346,7 @@ static void mt9p031_power_off(struct mt9p031 *mt9p031)
>  	regulator_bulk_disable(ARRAY_SIZE(mt9p031->regulators),
>  			       mt9p031->regulators);
>  
> -	if (mt9p031->clk)
> -		clk_disable_unprepare(mt9p031->clk);
> +	clk_disable_unprepare(mt9p031->clk);
>  }
>  
>  static int __mt9p031_set_power(struct mt9p031 *mt9p031, bool on)

-- 
Regards,

Laurent Pinchart



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