Re: [PATCH v5 03/44] char: add HAS_IOPORT dependencies

Geert Uytterhoeven
2023-07-04T08:10:13Z

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