Re: [PATCH] pinctrl: meson: amlogic-a4: mark the GPIO controller as sleeping
From: Linus Walleij <linusw@kernel.org>
Date: 2026-01-09 09:34:05
Also in:
linux-amlogic, linux-gpio, lkml, stable
On Tue, Jan 6, 2026 at 9:53 AM Bartosz Golaszewski [off-list ref] wrote:
The GPIO controller is configured as non-sleeping but it uses generic
pinctrl helpers which use a mutex for synchronization. This will cause
lockdep splats when used together with shared GPIOs going through the
GPIO shared proxy driver.
Fixes: 6e9be3abb78c ("pinctrl: Add driver support for Amlogic SoCs")
Cc: stable@vger.kernel.org
Reported-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Closes: https://lore.kernel.org/all/CAFBinCAc7CO8gfNQakCu3LfkYXuyTd2iRpMRm8EKXSL0mwOnJw@mail.gmail.com/ (local)
Signed-off-by: Bartosz Golaszewski <redacted>Patch applied for fixes! Yours, Linus Walleij