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authorMatthew McClintock <msm@freescale.com>2010-06-29 13:42:26 +0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-07-09 05:28:27 +0400
commit66953ebef60ffe94650a735b445f1495d989c523 (patch)
tree705ea34685f8c378381f8f5926d7bbf757ac3333 /arch/powerpc/sysdev/mpic.h
parentd10ac3734d07bee675384d22d06883b3c57b1524 (diff)
downloadlinux-66953ebef60ffe94650a735b445f1495d989c523.tar.xz
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>
Diffstat (limited to 'arch/powerpc/sysdev/mpic.h')
-rw-r--r--arch/powerpc/sysdev/mpic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/mpic.h b/arch/powerpc/sysdev/mpic.h
index eff433c322a0..e4a6df77b8d7 100644
--- a/arch/powerpc/sysdev/mpic.h
+++ b/arch/powerpc/sysdev/mpic.h
@@ -37,5 +37,6 @@ static inline int mpic_pasemi_msi_init(struct mpic *mpic)
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 */