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Date:   Wed, 20 Sep 2023 08:50:13 +0300
From:   Tony Lindgren <tony@atomide.com>
To:     "H. Nikolaus Schaller" <hns@goldelico.com>
Cc:     Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Douglas Anderson <dianders@chromium.org>,
        Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>, sre@kernel.org,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Arnd Bergmann <arnd@arndb.de>, dri-devel@lists.freedesktop.org,
        linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
        letux-kernel@openphoenux.org, kernel@pyra-handheld.com
Subject: Re: [PATCH] omap: dsi: do not WARN on detach if dsidev was never
 attached
Message-ID: <20230920055013.GP5285@atomide.com>
References: <929c46beecf77f2ebfa9f8c9b1c09f6ec610c31a.1695130648.git.hns@goldelico.com>
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* H. Nikolaus Schaller <hns@goldelico.com> [230919 13:38]:
> dsi_init_output() called by dsi_probe() may fail. In that
> case mipi_dsi_host_unregister() is called which may call
> omap_dsi_host_detach() with uninitialized dsi->dsidev
> because omap_dsi_host_attach() was never called before.
> 
> This happens if the panel driver asks for an EPROBE_DEFER.
> 
> So let's suppress the WARN() in this special case.

Reviewed-by: Tony Lindgren <tony@atomide.com>

Thanks,

Tony