[PATCH v2] powerpc: allow compiling with GENERIC_MSI_IRQ_DOMAIN

[Michael Ellerman]

laurentiu.tudor at nxp.com writes:

> From: Laurentiu Tudor <laurentiu.tudor at nxp.com>
>
> This allows building powerpc with the GENERIC_MSI_IRQ_DOMAIN
> Kconfig by enabling the asm-generic msi.h in Kbuild. Without
> this, there's a compilation error [1] because powerpc, as most
> arches, doesn't provide an asm/msi.h.
>
> [1] In file included from ./include/linux/kvm_host.h:20:0,
>                  from ./arch/powerpc/include/asm/kvm_ppc.h:30,
>                  from arch/powerpc/kernel/dbell.c:20:
> ./include/linux/msi.h:195:21: fatal error: asm/msi.h: No such file or directory
>
> Signed-off-by: Laurentiu Tudor <laurentiu.tudor at nxp.com>
> ---
> v2:
>  - compilation error happens when GENERIC_MSI_IRQ_DOMAIN is enabled and not
>    GENERIC_MSI_IRQ, so fix commit msg and title

It looks like the only way powerpc can enable GENERIC_MSI_IRQ_DOMAIN is
by enabling FSL_MC_BUS ?

cheers