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authorOlof Johansson <olof@lixom.net>2007-09-18 00:12:29 +0400
committerPaul Mackerras <paulus@samba.org>2007-09-22 08:49:22 +0400
commit17b5ee04c09a158129eb538933eae7be956190e9 (patch)
treee345f5ab3945e90b4cd8a816ffbde810188959a3 /arch/powerpc
parent3164cccdc0e6e16eb9797586aaa8d1f759799c01 (diff)
downloadlinux-17b5ee04c09a158129eb538933eae7be956190e9.tar.xz
[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>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/sysdev/mpic.c2
-rw-r--r--arch/powerpc/sysdev/mpic.h1
-rw-r--r--arch/powerpc/sysdev/mpic_u3msi.c1
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",
};