powerpc: allow compiling with GENERIC_MSI_IRQ_DOMAIN

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@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index 5c4fbc80dc6ce683d278ce13174b770f337bcaa0..2542ea15d33841bba6a3b6a5c9bfa5a21390976f 100644 (file)
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -8,3 +8,4 @@ generic-y += mcs_spinlock.h
 generic-y += preempt.h
 generic-y += rwsem.h
 generic-y += vtime.h
+generic-y += msi.h