linux-hardening - Re: [PATCH v1 1/7] gpio: 74x164: Remove unneeded dependency to OF

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Message-ID: <CAMuHMdUHnRybYHyx2tOJkc86Bo=p3R9Z8MA1Z9zfqavAD2k4Gw@mail.gmail.com>
Date: Fri, 7 Feb 2025 09:56:45 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, Linus Walleij <linus.walleij@...aro.org>, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-hardening@...r.kernel.org, Kees Cook <kees@...nel.org>, 
	"Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: Re: [PATCH v1 1/7] gpio: 74x164: Remove unneeded dependency to OF_GPIO

Hi Bartosz,

On Fri, 7 Feb 2025 at 09:02, Bartosz Golaszewski <brgl@...ev.pl> wrote:
> On Mon, Feb 3, 2025 at 1:18 PM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> >
> > Remove unneeded dependency to OF_GPIO which driver does not use.
> >
> > Fixes: 3c7469514dbe ("gpio: 74x164: Make use of device properties")
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> > ---
> >  drivers/gpio/Kconfig | 1 -
> >  1 file changed, 1 deletion(-)
> >
> > diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> > index add5ad29a673..56c1f30ac195 100644
> > --- a/drivers/gpio/Kconfig
> > +++ b/drivers/gpio/Kconfig
> > @@ -1790,7 +1790,6 @@ menu "SPI GPIO expanders"
> >
> >  config GPIO_74X164
> >         tristate "74x164 serial-in/parallel-out 8-bits shift register"
> > -       depends on OF_GPIO
> >         help
> >           Driver for 74x164 compatible serial-in/parallel-out 8-outputs
> >           shift registers. This driver can be used to provide access

>
> Geert: Just Cc'ing you here because you yelled at me last time I
> removed all dependencies. This driver is under the SPI section so it
> does have the CONFIG_SPI_MASTER dependency. I think it's fine to drop
> OF_GPIO here but I just wanted to run it by you.

That's fine, as there is still the SPI_MASTER dependency, and the
driver uses device properties.

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds