Re: [PATCH 6/6] arm64: enable RapidIO menu in Kconfig

[Will Deacon]

On Mon, Jul 30, 2018 at 06:50:34PM -0400, Alexei Colin wrote:
> Platforms with a PCI bus will be offered the RapidIO menu since they may
> be want support for a RapidIO PCI device. Platforms without a PCI bus
> that might include a RapidIO IP block will need to "select HAS_RAPIDIO"
> in the platform-/machine-specific "config ARCH_*" Kconfig entry.
> 
> Tested that kernel builds for arm64 with RapidIO subsystem and
> switch drivers enabled, also that the modules load successfully
> on a custom Aarch64 Qemu model.
> 
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Russell King <linux@xxxxxxxxxxxxxxx>
> Cc: John Paul Walters <jwalters@xxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx,
> Signed-off-by: Alexei Colin <acolin@xxxxxxx>
> ---
>  arch/arm64/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)

Thanks, this looks much cleaner than before:

Acked-by: Will Deacon <will.deacon@xxxxxxx>

The only thing I'm not sure about is why we don't just select HAS_RAPIDIO
unconditionally in the arm64 Kconfig. Does selecting only that option
actually pull in new code to the build?

Will

> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index a8f0c74e6f7f..5e8cf90505ec 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -308,6 +308,8 @@ config PCI_SYSCALL
>  
>  source "drivers/pci/Kconfig"
>  
> +source "drivers/rapidio/Kconfig"
> +
>  endmenu
>  
>  menu "Kernel Features"
> -- 
> 2.18.0
>