From: rfoss@kernel.org
To: "Nícolas F . R . A . Prado" <nfraprado@collabora.com>
Cc: "Robert Foss" <rfoss@kernel.org>, "Xin Ji" <xji@analogixsemi.com>,
"Jernej Skrabec" <jernej.skrabec@gmail.com>,
owen <qwt9588@gmail.com>,
"Laurent Pinchart" <Laurent.pinchart@ideasonboard.com>,
"Marek Vasut" <marex@denx.de>,
"Neil Armstrong" <neil.armstrong@linaro.org>,
"Jonas Karlman" <jonas@kwiboo.se>,
"David Airlie" <airlied@gmail.com>,
"Hsin-Yi Wang" <hsinyi@chromium.org>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Pin-yen Lin" <treapking@chromium.org>,
dri-devel@lists.freedesktop.org,
"Andrzej Hajda" <andrzej.hajda@intel.com>,
kernel@collabora.com, linux-kernel@vger.kernel.org,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Subject: Re: [PATCH] drm/bridge: anx7625: Prevent endless probe loop
Date: Tue, 23 May 2023 19:18:24 +0200 [thread overview]
Message-ID: <168486229619.3612901.1076023158254701111.b4-ty@kernel.org> (raw)
In-Reply-To: <20230518193902.891121-1-nfraprado@collabora.com>
From: Robert Foss <rfoss@kernel.org>
On Thu, 18 May 2023 15:39:02 -0400, Nícolas F. R. A. Prado wrote:
> During probe, the driver registers i2c dummy devices and populates the
> aux bus, which registers a device for the panel. After doing that, the
> driver can still defer probe if needed. This ordering of operations is
> troublesome however, because the deferred probe work will retry probing
> all pending devices every time a new device is registered. Therefore, if
> modules need to be loaded in order to satisfy the dependencies for this
> driver to complete probe, the kernel will stall, since it'll keep trying
> to probe the anx7625 driver, but never succeed, given that modules would
> only be loaded after the deferred probe work completes.
>
> [...]
Applied, thanks!
[1/1] drm/bridge: anx7625: Prevent endless probe loop
https://cgit.freedesktop.org/drm/drm-misc/commit/?id=1464e48d69ab
Rob
next prev parent reply other threads:[~2023-05-23 17:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-18 19:39 Nícolas F. R. A. Prado
2023-05-23 17:18 ` rfoss [this message]
2023-05-24 2:11 ` Tzung-Bi Shih
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