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Date: Mon, 23 Feb 2026 00:19:21 +0100
Message-Id: <DGLVIO9YF9PK.1WM118M9OSS0N@kernel.org>
From: "Danilo Krummrich" <dakr@kernel.org>
Subject: Re: [PATCH v1 1/1] device property: Allow secondary lookup in
 fwnode_get_next_child_node()
Cc: <linux-acpi@vger.kernel.org>, <linux-kernel@vger.kernel.org>, "Daniel
 Scally" <djrscally@gmail.com>, "Heikki Krogerus"
 <heikki.krogerus@linux.intel.com>, "Sakari Ailus"
 <sakari.ailus@linux.intel.com>, "Greg Kroah-Hartman"
 <gregkh@linuxfoundation.org>, "Rafael J. Wysocki" <rafael@kernel.org>,
 <stable@vger.kernel.org>
To: "Andy Shevchenko" <andriy.shevchenko@linux.intel.com>
References: <20260210135822.47335-1-andriy.shevchenko@linux.intel.com>
In-Reply-To: <20260210135822.47335-1-andriy.shevchenko@linux.intel.com>

On Tue Feb 10, 2026 at 2:58 PM CET, Andy Shevchenko wrote:
> When device_get_child_node_count() got split to the fwnode and device
> respective APIs, the fwnode didn't inherit the ability to traverse over
> the secondary fwnode. Hence any user, that switches from device to fwnode
> API misses this feature. In particular, this was revealed by the commit
> 1490cbb9dbfd ("device property: Split fwnode_get_child_node_count()")
> that effectively broke the GPIO enumeration on Intel Galileo boards.
> Fix this by moving the secondary lookup from device to fwnode API.
>
> Note, in general no device_*() API should go into the depth of the fwnode
> implementation.
>
> Fixes: 114dbb4fa7c4 ("drivers property: When no children in primary, try =
secondary")
> Cc: stable@vger.kernel.org
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Applied to driver-core-linus, thanks!