Re: [RFC PATCH V4 6/6] riscv: soc: Add Allwinner SoC kconfig option

[Maxime Ripard]

On Tue, Sep 14, 2021 at 12:07:08PM +0200, Krzysztof Kozlowski wrote:
> On Tue, 14 Sept 2021 at 11:31, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> > Some subsystem maintainers want drivers to be selected by the SoC
> > option, this is why you need the 'select SIFIVE_PLIC', but usually
> > the drivers are selectable with a 'depends on ARCH_SUNXI ||
> > COMPILE_TEST' and enabled in the defconfig.
> 
> I would say selecting drivers is even more useful for distros and
> other downstream users. Especially in the ARM world where we have so
> many different SoCs - how could a distro person know which driver is
> necessary, important or useful? Having all main SoC drivers enabled
> when ARCH_SUNXI=y, helps distro a lot.

Imply, maybe, but select is far too painful for everyone else.

> > If you want to get fancy, you can use something like:
> >
> > config RESET_SUNXI
> >         bool "Allwinner SoCs Reset Driver" if COMPILE_TEST && !ARCH_SUNXI
> >         default ARCH_SUNXI
> >
> > This will make an option that
> >  - always enabled when the platform is built-in
> >  - user selectable when compile-testing for any other platform
> >  - always disabled otherwise
> 
> +1 for this pattern.

Yeah, or a default

Maxime

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