powerpc/mpic: Add ability to reset a core via MPIC
We need the ability to reset cores for use with kexec/kdump for
SMP systems. Calling this function with the specific core you want
to reset will cause the CPU to spin in reset.
Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/sysdev/mpic.h b/arch/powerpc/sysdev/mpic.h
index eff433c..e4a6df7 100644
--- a/arch/powerpc/sysdev/mpic.h
+++ b/arch/powerpc/sysdev/mpic.h
@@ -37,5 +37,6 @@
extern int mpic_set_irq_type(unsigned int virq, unsigned int flow_type);
extern void mpic_set_vector(unsigned int virq, unsigned int vector);
extern int mpic_set_affinity(unsigned int irq, const struct cpumask *cpumask);
+extern void mpic_reset_core(int cpu);
#endif /* _POWERPC_SYSDEV_MPIC_H */