linux-kernel - Re: [PATCH 1/3] gpio: xilinx: drop dependency on GPIO

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Message-ID: <CAMRc=McXytnJJV_LDKXmJE6q9oNmGDaOeKa6BjGsPrz8xGTeqw@mail.gmail.com>
Date: Wed, 2 Oct 2024 16:34:07 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Michal Simek <michal.simek@....com>
Cc: Linus Walleij <linus.walleij@...aro.org>, 
	Shubhrajyoti Datta <shubhrajyoti.datta@....com>, Srinivas Neeli <srinivas.neeli@....com>, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 1/3] gpio: xilinx: drop dependency on GPIO_OF

On Tue, Oct 1, 2024 at 2:31 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
>
> On Tue, Oct 1, 2024 at 1:13 PM Michal Simek <michal.simek@....com> wrote:
> >
> >
> >
> > On 10/1/24 12:44, Bartosz Golaszewski wrote:
> > > On Tue, Oct 1, 2024 at 12:30 PM Michal Simek <michal.simek@....com> wrote:
> > >>
> > >> On 9/30/24 16:48, Bartosz Golaszewski wrote:
> > >>> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > >>>
> > >>> This driver doesn't really depend on gpiolib-of being built and can be
> > >>> compiled without it.
> > >>>
> > >>> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > >>> ---
> > >>>    drivers/gpio/Kconfig | 1 -
> > >>>    1 file changed, 1 deletion(-)
> > >>>
> > >>> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> > >>> index d93cd4f722b4..0d676c96b72d 100644
> > >>> --- a/drivers/gpio/Kconfig
> > >>> +++ b/drivers/gpio/Kconfig
> > >>> @@ -796,7 +796,6 @@ config GPIO_XGENE_SB
> > >>>    config GPIO_XILINX
> > >>>        tristate "Xilinx GPIO support"
> > >>>        select GPIOLIB_IRQCHIP
> > >>> -     depends on OF_GPIO
> > >>>        help
> > >>>          Say yes here to support the Xilinx FPGA GPIO device.
> > >>>
> > >>
> > >> The patch itself is fine but it should be likely applied as last one not the
> > >> first one.
> > >> If this is applied like that feel free to add
> > >>
> > >> Acked-by: Michal Simek <michal.simek@....com>
> > >>
> > >
> > > I think you may be confusing CONFIG_OF with CONFIG_OF_GPIO. This
> > > driver doesn't depend at build-time on the latter and this patch can
> > > be applied right away.
> >
> > ok then.
> >
> > Thanks,
> > Michal
> >
>
> Now that I think about it - we should probably use of_match_ptr() once
> we drop this dependency though.
>
> Bart

Scratch that - that would actually require us to conditionally define
the ids struct.

Bart