[PATCH] arm64: Kconfig: provide a top-level switch for Microchip platforms

[Bartosz Golaszewski]

On Thu, Feb 26, 2026 at 3:49 PM Krzysztof Kozlowski <krzk at kernel.org> wrote:
>
> On 26/02/2026 15:36, Bartosz Golaszewski wrote:
> > Microchip is the only platform that doesn't have a top-level switch for
> > disabling all SoC families. Align it with other platforms and update the
> > arm64 defconfig to keep the default config the same.
> >
> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski at oss.qualcomm.com>
> > ---
> >  arch/arm64/Kconfig.platforms | 10 ++++------
> >  arch/arm64/configs/defconfig |  1 +
> >  2 files changed, 5 insertions(+), 6 deletions(-)
> >
> > diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> > index 54eb1d7fd419b..72c812e76b0b1 100644
> > --- a/arch/arm64/Kconfig.platforms
> > +++ b/arch/arm64/Kconfig.platforms
> > @@ -188,16 +188,15 @@ config ARCH_MESON
> >         This enables support for the arm64 based Amlogic SoCs
> >         such as the s905, S905X/D, S912, A113X/D or S905X/D2
> >
> > -menu "Microchip SoC support"
> > +menuconfig ARCH_MICROCHIP
> > +     bool "Microchip SoC support"
> >
> > -config ARCH_MICROCHIP
> > -     bool
> > +if ARCH_MICROCHIP
>
> This will surprise all out-of-tree non-defconfig users, because their
> boards will stop working (drivers depend on ARCH_LAN969X|ARCH_SPARX5
> which will be now disabled), but I like the consistency.
>

I'm not following, ARCH_SPARX5 remains enabled in defconfig and
ARCH_LAN969X was already disabled by default.

> I guess this will go via Microchip arm64 soc tree.
>

I think this should be picked up directly into the ARM SoC tree to
avoid conflicts later into the cycle.

Bartosz

> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at oss.qualcomm.com>
>
> Best regards,
> Krzysztof