[PATCH 02/10] [v3] input: gpio-keys: make legacy gpiolib optional

[Dmitry Torokhov]

On Mon, May 25, 2026 at 10:57:44AM +0200, Linus Walleij wrote:
> On Wed, May 20, 2026 at 8:38 PM Arnd Bergmann <arnd at kernel.org> wrote:
> 
> > From: Arnd Bergmann <arnd at arndb.de>
> >
> > Most users of gpio-keys and gpio-keys-polled use modern gpiolib
> > interfaces, but there are still number of ancient sh, arm32 and x86
> > machines that have never been converted.
> >
> > Add an #ifdef block for the parts of the driver that are only used on
> > those legacy machines.
> >
> > The two Rohm PMIC drivers use a gpio-keys device without an actual GPIO,
> > passing an IRQ number instead. In order to keep this working both with
> > and with CONFIG_GPIOLIB_LEGACY, change the gpio-keys driver to ignore
> > the gpio number if an IRQ is passed.
> >
> > Link: https://lore.kernel.org/all/b3c94552-c104-42e3-be15-7e8362e8039e@gmail.com/
> > Link: https://lore.kernel.org/all/afJXG4_rtaj3l2Dk@google.com/
> > Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> 
> Reviewed-by: Linus Walleij <linusw at kernel.org>

OK, if Lee Acks MFD changes I can pick this up.

Thanks.

-- 
Dmitry