linux-kernel - Re: [PATCH v2 2/2] drm/bridge: anx7625: add MIPI DPI input feature support

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Date:   Tue, 5 Jan 2021 17:17:01 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Xin Ji <xji@...logixsemi.com>
Cc:     Nicolas Boichat <drinkcat@...gle.com>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        devel@...verdev.osuosl.org,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Jonas Karlman <jonas@...boo.se>,
        David Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Vasily Khoruzhick <anarsoul@...il.com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Torsten Duwe <duwe@....de>, Sheng Pan <span@...logixsemi.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v2 2/2] drm/bridge: anx7625: add MIPI DPI input feature
 support

On Thu, Dec 31, 2020 at 10:22:36AM +0800, Xin Ji wrote:
>  static int anx7625_read_ctrl_status_p0(struct anx7625_data *ctx)
>  {
>  	return anx7625_reg_read(ctx, ctx->i2c.rx_p0_client, AP_AUX_CTRL_STATUS);
> @@ -189,10 +203,64 @@ static int wait_aux_op_finish(struct anx7625_data *ctx)
>  			       AP_AUX_CTRL_STATUS);
>  	if (val < 0 || (val & 0x0F)) {
>  		DRM_DEV_ERROR(dev, "aux status %02x\n", val);
> -		val = -EIO;
> +		return -EIO;
>  	}
>  
> -	return val;
> +	return 0;

This s/val/0/ change seems like a bug fix.  Could you please send that
as a separate patch at the start of the patch set?

> +}

regards,
dan carpenter