[PATCH] gpio/rockchip: Stop calling pinctrl for set_direction
Bartosz Golaszewski
brgl at kernel.org
Mon Jan 26 05:48:33 PST 2026
On Mon, Jan 26, 2026 at 1:12 PM Robin Murphy <robin.murphy at arm.com> wrote:
>
> Marking the whole controller as sleeping due to the pinctrl calls in the
> .direction_{input,output} callbacks has the unfortunate side effect that
> legitimate invocations of .get and .set, which cannot themselves sleep,
> in atomic context now spew WARN()s from gpiolib.
>
> However, as Heiko points out, the driver doing this is a bit silly to
> begin with, as the pinctrl .gpio_set_direction hook doesn't even care
> about the direction, the hook is only used to claim the mux. And sure
> enough, the .gpio_request_enable hook exists to serve this very purpose,
> so switch to that and remove the problematic business entirely.
>
> Cc: stable at vger.kernel.org
> Fixes: 20cf2aed89ac ("gpio: rockchip: mark the GPIO controller as sleeping")
> Suggested-by: Heiko Stuebner <heiko at sntech.de>
> Signed-off-by: Robin Murphy <robin.murphy at arm.com>
> ---
Linus,
With your Ack I can queue this for v6.19-rc8.
Bart
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