Re: [PATCH v3 1/2] Input: soc_button_array - fix MS Surface Pro 11 probe failure

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Wed, Sep 09, 2026 at 11:39:33AM +0200, Hans de Goede wrote:
> On the MS Surface Pro 11 soc_button_array probing races with the GPIO
> driver probing. If soc_button_array wins the race then gpiod_get() returns
> EPROBE_DEFER, which should normally take care of retrying later, but
> the soc_button_array code deliberately ignores EPROBE_DEFER causing it
> to fail its probe() which causes the volume and power buttons to now work.
> 
> The ignoring of EPROBE_DEFER is there to deal with a problem specific to
> older Bay Trail (BYT) and Cherry Trail (CHT) tablets which often use this
> driver. Modify the error handling to only ignore EPROBE_DEFER on BYT and
> CHT platforms and propagate EPROBE_DEFER normally on other platforms.
> 
> Fixes: bcf059578980 ("Input: soc_button_array - partial revert of support for newer surface devices")
> Cc: stable@vger.kernel.org
> Reported-by: Sergey Lebedev <lsa.uz@pm.me>
> Closes: https://lore.kernel.org/lkml/20260830141355.55898-1-lsa.uz@pm.me/
> Signed-off-by: Hans de Goede <johannes.goede@oss.qualcomm.com>

Applied the lot, thank you.

-- 
Dmitry