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References: <20230522105049.1467313-1-schnelle@linux.ibm.com> <20230522105049.1467313-4-schnelle@linux.ibm.com>
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From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Tue, 4 Jul 2023 10:09:49 +0200
Message-ID: <CAMuHMdXBgh8NTBmZkqoR+ZZM=C=bREVM1KCk4xNC-4BWjSAHOw@mail.gmail.com>
Subject: Re: [PATCH v5 03/44] char: add HAS_IOPORT dependencies
To:     Niklas Schnelle <schnelle@linux.ibm.com>
Cc:     Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Alan Stern <stern@rowland.harvard.edu>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
        linux-pci@vger.kernel.org, Arnd Bergmann <arnd@kernel.org>,
        linux-m68k <linux-m68k@lists.linux-m68k.org>
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Hi Niklas,

On Mon, May 22, 2023 at 12:51 PM Niklas Schnelle <schnelle@linux.ibm.com> wrote:
> In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> not being declared. We thus need to add HAS_IOPORT as dependency for
> those drivers using them.
>
> Co-developed-by: Arnd Bergmann <arnd@kernel.org>
> Signed-off-by: Arnd Bergmann <arnd@kernel.org>
> Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>

Thanks for your patch, which is now commit 1fbb0b203574bb16 ("char:
add HAS_IOPORT dependencies") upstream.

> --- a/drivers/char/Kconfig
> +++ b/drivers/char/Kconfig

> @@ -340,7 +341,7 @@ config NVRAM
>
>  config DEVPORT
>         bool "/dev/port character device"
> -       depends on ISA || PCI
> +       depends on HAS_IOPORT
>         default y
>         help
>           Say Y here if you want to support the /dev/port device. The /dev/port

FTR, this change makes DEVPORT show up on Atari with ATARI_ROM_ISA=y.
I guess it doesn't matter much, though.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-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