[POWERPC] Support setting affinity for U3/U4 MSI sources

Hook up affinity-setting for U3/U4 MSI interrupt sources.

Tested on Quad G5 with myri10ge.

Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

3 files changed, 3 insertions, 1 deletions

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 8de29f28b4c7..22600fd23958 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -768,7 +768,7 @@ static void mpic_end_ipi(unsigned int irq)
 
 #endif /* CONFIG_SMP */
 
-static void mpic_set_affinity(unsigned int irq, cpumask_t cpumask)
+void mpic_set_affinity(unsigned int irq, cpumask_t cpumask)
 {
         struct mpic *mpic = mpic_from_irq(irq);
         unsigned int src = mpic_irq_to_hw(irq);
diff --git a/arch/powerpc/sysdev/mpic.h b/arch/powerpc/sysdev/mpic.h
index 3a1c3d2c594d..1cb6bd841027 100644
--- a/arch/powerpc/sysdev/mpic.h
+++ b/arch/powerpc/sysdev/mpic.h
@@ -34,5 +34,6 @@ extern int mpic_set_irq_type(unsigned int virq, unsigned int flow_type);
 extern void mpic_end_irq(unsigned int irq);
 extern void mpic_mask_irq(unsigned int irq);
 extern void mpic_unmask_irq(unsigned int irq);
+extern void mpic_set_affinity(unsigned int irq, cpumask_t cpumask);
 
 #endif /* _POWERPC_SYSDEV_MPIC_H */
diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c
index 305b864c25d9..0fc4e961d451 100644
--- a/arch/powerpc/sysdev/mpic_u3msi.c
+++ b/arch/powerpc/sysdev/mpic_u3msi.c
@@ -40,6 +40,7 @@ static struct irq_chip mpic_u3msi_chip = {
         .unmask         = mpic_u3msi_unmask_irq,
         .eoi            = mpic_end_irq,
         .set_type       = mpic_set_irq_type,
+        .set_affinity   = mpic_set_affinity,
         .typename       = "MPIC-U3MSI",
 };