[PATCH] ARM: nommu: re-enable use of vexpress without ARCH_MULTIPLATFORM

[Nicolas Pitre]

On Wed, 9 Jan 2013, Jonathan Austin wrote:

> From: Will Deacon <will.deacon at arm.com>

Did Will actually write the patch?  It rather looks like you are the one 
folloing through, in which case you deserve the credits.

> Since 617276307cd4c ("ARM: vexpress: convert to multi-platform") it has
> been impossible to select ARCH_VEXPRESS without ARCH_MULTIPLATFORM.
> 
> ARCH_MULTIPLATFORM doesn't make sense for NOMMU targets, not least
> because of the need to hard-code the memory map. However, it should
> still be possible to run NOMMU kernels on top of the Versatile Express
> by selecting it as the only platform.
> 
> This patch creates a shim ARCH_VEXPRESS_NOMMU config option in the 'choice'
> for "ARM system type" to make this possible again.
> 
> Signed-off-by: Will Deacon <will.deacon at arm.com>
> Signed-off-by: Jonathan Austin <jonathan.austin at arm.com>
> CC: Nicolas Pitre <nico at fluxnic.net>
> CC: Arnd Bergmann <arnd at arndb.de>
> ---
> 
> Arnd and Nicolas: I've removed your acks as I've changed the location
> of the new block (as Nicolas suggested) and ever so slightly tweaked
> the name of the new option.

Please add some help text to explain what this is for as well.

And you may add my ACK back.



> 
>  arch/arm/Kconfig |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 335e220..3357d0b 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -322,6 +322,11 @@ config ARCH_VERSATILE
>  	help
>  	  This enables support for ARM Ltd Versatile board.
>  
> +config ARCH_VEXPRESS_NOMMU
> +	bool "ARM Ltd. Versatile Express family for NOMMU"
> +	depends on !MMU
> +	select ARCH_VEXPRESS
> +
>  config ARCH_AT91
>  	bool "Atmel AT91"
>  	select ARCH_REQUIRE_GPIOLIB
> -- 
> 1.7.9.5
> 
>