linux-kernel - Re: [PATCH v2 0/9] gpio: Get rid of ARCH_NR

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Message-ID: <YyHRAnBaoycszSmC@smile.fi.intel.com>
Date:   Wed, 14 Sep 2022 16:02:58 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Bartosz Golaszewski <brgl@...ev.pl>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Keerthy <j-keerthy@...com>, Russell King <linux@...linux.org.uk>,
        Jonathan Corbet <corbet@....net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Davide Ciminaghi <ciminaghi@...dd.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        linux-doc <linux-doc@...r.kernel.org>, x86@...nel.org
Subject: Re: [PATCH v2 0/9] gpio: Get rid of ARCH_NR_GPIOS (v2)

On Wed, Sep 14, 2022 at 02:38:53PM +0200, Linus Walleij wrote:
> On Wed, Sep 7, 2022 at 12:15 PM Arnd Bergmann <arnd@...db.de> wrote:
> 
> > >>  drivers/gpio/gpio-sta2x11.c              | 411 -----------------------
> (...)
> > sta2x11 is an x86 driver, so not my area, but I think it would be
> > best to kill off the entire platform rather than just its gpio
> > driver, since everything needs to work together and it's clearly
> > not functional at the moment.
> >
> > $ git grep -l STA2X11
> > Documentation/admin-guide/media/pci-cardlist.rst
> > arch/x86/Kconfig
> > arch/x86/include/asm/sta2x11.h
> > arch/x86/pci/Makefile
> > arch/x86/pci/sta2x11-fixup.c
> > drivers/ata/ahci.c
> > drivers/gpio/Kconfig
> > drivers/gpio/Makefile
> > drivers/gpio/gpio-sta2x11.c
> > drivers/i2c/busses/Kconfig
> > drivers/media/pci/Makefile
> > drivers/media/pci/sta2x11/Kconfig
> > drivers/media/pci/sta2x11/Makefile
> > drivers/media/pci/sta2x11/sta2x11_vip.c
> > drivers/media/pci/sta2x11/sta2x11_vip.h
> > drivers/mfd/Kconfig
> > drivers/mfd/Makefile
> > drivers/mfd/sta2x11-mfd.c
> > include/linux/mfd/sta2x11-mfd.h
> >
> > Removing the other sta2x11 bits (mfd, media, x86) should
> > probably be done through the respective tree, but it would
> > be good not to forget those.
> 
> Andy is pretty much default x86 platform device maintainer, maybe
> he can ACK or brief us on what he knows about the status of
> STA2x11?

Actually I have no idea about STA2x11, but in some thread I have noticed that
there were people who know more on the topic and they told that removal is the
right thing to do.

Not sure how it should be done practically (driver-by-driver or altogether),
Acked-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
for either of the variants if it helps.

-- 
With Best Regards,
Andy Shevchenko