linux-kernel - Re: [PATCH] drm/mipi-dsi: Fix detach call without attach

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Date:   Fri, 22 Sep 2023 13:47:14 +0200
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc:     Tony Lindgren <tony@...mide.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH] drm/mipi-dsi: Fix detach call without attach

Hi,
I have tested this on an OMAP5 Pyra.

> Am 21.09.2023 um 12:50 schrieb Tomi Valkeinen <tomi.valkeinen@...asonboard.com>:
> 
> It's been reported that DSI host driver's detach can be called without
> the attach ever happening:
> 
> https://lore.kernel.org/all/20230412073954.20601-1-tony@atomide.com/
> 

This patch works equally well as my proposal and is indeed a better solution
(solving the issue and not just suppressing a warning).

Tested-by: H. Nikolaus Schaller <hns@...delico.com>

BR and thanks,
Nikolaus