[RFC 03/32] ACPI: Kconfig: add HAS_IOPORT dependencies

[Rafael J. Wysocki]

On Mon, Dec 27, 2021 at 5:44 PM Niklas Schnelle <schnelle at 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

The ARM64 people may not agree with this.

> we depend on HAS_IOPORT unconditionally.
>
> Co-developed-by: Arnd Bergmann <arnd at kernel.org>
> Signed-off-by: Arnd Bergmann <arnd at kernel.org>
> Signed-off-by: Niklas Schnelle <schnelle at linux.ibm.com>
> ---
>  drivers/acpi/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
> index cdbdf68bd98f..b57f15817ede 100644
> --- a/drivers/acpi/Kconfig
> +++ b/drivers/acpi/Kconfig
> @@ -9,6 +9,7 @@ config ARCH_SUPPORTS_ACPI
>  menuconfig ACPI
>         bool "ACPI (Advanced Configuration and Power Interface) Support"
>         depends on ARCH_SUPPORTS_ACPI
> +       depends on HAS_IOPORT
>         select PNP
>         select NLS
>         default y if X86
> --
> 2.32.0
>