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

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Message-Id: <a7cb856c-8a3f-4737-ae9e-b75c306ad88e@www.fastmail.com>
Date:   Wed, 14 Sep 2022 15:03:50 +0200
From:   "Arnd Bergmann" <arnd@...db.de>
To:     "Linus Walleij" <linus.walleij@...aro.org>,
        "Andy Shevchenko" <andriy.shevchenko@...ux.intel.com>
Cc:     "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 2:38 PM, 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?

I think the explanation given by Davide and Alessandro
was rather detailed already:

https://lore.kernel.org/lkml/Yw3LQjhZWmZaU2N1@arcana.i.gnudd.com/
https://lore.kernel.org/lkml/Yw3DKCuDoPkCaqxE@arcana.i.gnudd.com/

    Arnd