Re: [PATCH] drm: bridge: adv7511: Remove redundant null check before clk_disable_unprepare

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Hi Xu Wang,

Thank you for the patch.

On Fri, Nov 27, 2020 at 09:18:29AM +0000, Xu Wang wrote:
> Because clk_disable_unprepare() already checked NULL clock parameter,
> so the additional check is unnecessary, just remove them.
> 
> Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx>

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

> ---
>  drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> index a0d392c338da..76555ae64e9c 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> @@ -1292,8 +1292,7 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
>  
>  err_unregister_cec:
>  	i2c_unregister_device(adv7511->i2c_cec);
> -	if (adv7511->cec_clk)
> -		clk_disable_unprepare(adv7511->cec_clk);
> +	clk_disable_unprepare(adv7511->cec_clk);
>  err_i2c_unregister_packet:
>  	i2c_unregister_device(adv7511->i2c_packet);
>  err_i2c_unregister_edid:
> @@ -1311,8 +1310,7 @@ static int adv7511_remove(struct i2c_client *i2c)
>  	if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
>  		adv7533_detach_dsi(adv7511);
>  	i2c_unregister_device(adv7511->i2c_cec);
> -	if (adv7511->cec_clk)
> -		clk_disable_unprepare(adv7511->cec_clk);
> +	clk_disable_unprepare(adv7511->cec_clk);
>  
>  	adv7511_uninit_regulators(adv7511);
>  

-- 
Regards,

Laurent Pinchart
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