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References: <20220429135108.2781579-1-schnelle@linux.ibm.com> <20220429135108.2781579-3-schnelle@linux.ibm.com>
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From:   "Rafael J. Wysocki" <rafael@kernel.org>
Date:   Wed, 4 May 2022 15:23:52 +0200
Message-ID: <CAJZ5v0jbX6kWWn9a9SBh0qhmreC-KDOHCB2TbM4A5_HSJu++UQ@mail.gmail.com>
Subject: Re: [RFC v2 02/39] ACPI: add dependency on HAS_IOPORT
To:     Niklas Schnelle <schnelle@linux.ibm.com>
Cc:     Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-arch <linux-arch@vger.kernel.org>,
        Linux PCI <linux-pci@vger.kernel.org>,
        Arnd Bergmann <arnd@kernel.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        "open list:ACPI" <linux-acpi@vger.kernel.org>
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On Fri, Apr 29, 2022 at 3:51 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. As ACPI always uses I/O port access we simply depend
> on HAS_IOPORT.
>
> Co-developed-by: Arnd Bergmann <arnd@kernel.org>
> Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
> ---
>  drivers/acpi/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
> index 1e34f846508f..8ad0d168004c 100644
> --- a/drivers/acpi/Kconfig
> +++ b/drivers/acpi/Kconfig
> @@ -5,6 +5,7 @@
>
>  config ARCH_SUPPORTS_ACPI
>         bool
> +       depends on HAS_IOPORT

This and the analogous PNP change are both fine with me.

Thanks!

>
>  menuconfig ACPI
>         bool "ACPI (Advanced Configuration and Power Interface) Support"
> --
> 2.32.0
>