Re: [PATCH] Add ARCH_MIGHT_HAVE_VGA_CONSOLE

From: Geert Uytterhoeven
Date: Mon Feb 02 2015 - 03:10:15 EST


Hi Sato-san,


On Mon, Feb 2, 2015 at 8:24 AM, Yoshinori Sato
<ysato@xxxxxxxxxxxxxxxxxxxx> wrote:
> The dependence of VGA_CONSOLE is complicated.
> We need clean up.

Thanks!

> Signed-off-by: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
>
> ---
> arch/alpha/Kconfig | 1 +
> arch/arc/Kconfig | 1 +
> arch/arm/Kconfig | 1 +
> arch/c6x/Kconfig | 1 +
> arch/hexagon/Kconfig | 1 +
> arch/ia64/Kconfig | 1 +
> arch/m32r/Kconfig | 1 +
> arch/metag/Kconfig | 1 +
> arch/microblaze/Kconfig | 1 +
> arch/mips/Kconfig | 1 +
> arch/nios2/Kconfig | 1 +
> arch/openrisc/Kconfig | 1 +
> arch/powerpc/Kconfig | 1 +
> arch/s390/Kconfig | 1 +
> arch/score/Kconfig | 1 +
> arch/tile/Kconfig | 1 +
> arch/um/Kconfig.common | 1 +
> arch/unicore32/Kconfig | 1 +
> arch/x86/Kconfig | 1 +
> arch/xtensa/Kconfig | 1 +

While I know you just kept the existing logic from
drivers/video/console/kconfig,
I doubt all of the architectures listed above do support VGA.
I guest most of them were just too lazy to update the dependency list.

I think only alpha, arm, ia64, mips, powerpc, and x86 can have VGA.

> --- a/drivers/video/console/Kconfig
> +++ b/drivers/video/console/rconfig
> @@ -2,14 +2,14 @@
> # Video configuration
> #
>
> +config ARCH_MIGHT_HAVE_VGA_CONSOLE
> + bool
> +
> menu "Console display driver support"
>
> config VGA_CONSOLE
> bool "VGA text console" if EXPERT || !X86
> - depends on !4xx && !8xx && !SPARC && !M68K && !PARISC && !FRV && \
> - !SUPERH && !BLACKFIN && !AVR32 && !MN10300 && !CRIS && \
> - (!ARM || ARCH_FOOTBRIDGE || ARCH_INTEGRATOR || ARCH_NETWINDER) && \
> - !ARM64
> + depends on ARCH_MIGHT_HAVE_VGA_CONSOLE
> default y
> help
> Saying Y here will allow you to use Linux in text mode through a

Gr{oetje,eeting}s,

Geert

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

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
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