Re: [PATCH] drm/bridge: nxp-ptn3460: Remove a small useless code snippet

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Hi Sui,

Thank you for the patch.

On Sat, May 11, 2024 at 09:42:50PM +0800, Sui Jingfeng wrote:
> In ptn3460_bridge_attach(), the check on the existence of bridge->encoder
> has already been done in the implementation of drm_bridge_attach(). The
> driver won't go further if bridge->encoder is NULL and the driver will quit
> even if drm_bridge_attach() fails for some reasons. Thereforei, there is

s/Thereforei/Therefore/

> no need to check another time at the later, remove the redundant checking
> codes "if (!bridge->encoder) { ... }".
> 
> Signed-off-by: Sui Jingfeng <sui.jingfeng@xxxxxxxxx>

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

> ---
>  drivers/gpu/drm/bridge/nxp-ptn3460.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c
> index ed93fd4c3265..e77aab965fcf 100644
> --- a/drivers/gpu/drm/bridge/nxp-ptn3460.c
> +++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c
> @@ -229,11 +229,6 @@ static int ptn3460_bridge_attach(struct drm_bridge *bridge,
>  	if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
>  		return 0;
>  
> -	if (!bridge->encoder) {
> -		DRM_ERROR("Parent encoder object not found");
> -		return -ENODEV;
> -	}
> -
>  	ptn_bridge->connector.polled = DRM_CONNECTOR_POLL_HPD;
>  	ret = drm_connector_init(bridge->dev, &ptn_bridge->connector,
>  			&ptn3460_connector_funcs, DRM_MODE_CONNECTOR_LVDS);

-- 
Regards,

Laurent Pinchart



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