linux-kernel - Re: [PATCH v4 26/41] pnp: add HAS

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Date:   Tue, 16 May 2023 13:55:03 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Niklas Schnelle <schnelle@...ux.ibm.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Jaroslav Kysela <perex@...ex.cz>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-pci@...r.kernel.org, Arnd Bergmann <arnd@...nel.org>,
        linux-acpi@...r.kernel.org
Subject: Re: [PATCH v4 26/41] pnp: add HAS_IOPORT dependencies

On Tue, May 16, 2023 at 1:01 PM Niklas Schnelle <schnelle@...ux.ibm.com> wrote:
>
> In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> not being declared. We thus need to depend on HAS_IOPORT even when
> compile testing only.
>
> Co-developed-by: Arnd Bergmann <arnd@...nel.org>
> Signed-off-by: Arnd Bergmann <arnd@...nel.org>
> Signed-off-by: Niklas Schnelle <schnelle@...ux.ibm.com>

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

> ---
> Note: The HAS_IOPORT Kconfig option was added in v6.4-rc1 so
>       per-subsystem patches may be applied independently
>
>  drivers/pnp/isapnp/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pnp/isapnp/Kconfig b/drivers/pnp/isapnp/Kconfig
> index d0479a563123..79bd48f1dd94 100644
> --- a/drivers/pnp/isapnp/Kconfig
> +++ b/drivers/pnp/isapnp/Kconfig
> @@ -4,7 +4,7 @@
>  #
>  config ISAPNP
>         bool "ISA Plug and Play support"
> -       depends on ISA || COMPILE_TEST
> +       depends on ISA || (HAS_IOPORT && COMPILE_TEST)
>         help
>           Say Y here if you would like support for ISA Plug and Play devices.
>           Some information is in <file:Documentation/driver-api/isapnp.rst>.
> --
> 2.39.2
>