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

- From: Will Deacon \<hidden\>
- Date: 2018-07-31 08:41:45 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2018/07/5346317
- Thread: https://ratatoskr.run/linux-arm-kernel/2018/07/5345967/t.md

```text
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@linux-foundation.org>
> Cc: Russell King <linux@armlinux.org.uk>
> Cc: John Paul Walters <redacted>
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org,
> Signed-off-by: Alexei Colin <redacted>
> ---
>  arch/arm64/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)

Thanks, this looks much cleaner than before:

Acked-by: Will Deacon <redacted>

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
> 
```