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Diffstat (limited to 'arch/arm/include/asm/smp_plat.h')
-rw-r--r--arch/arm/include/asm/smp_plat.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h
index 558d6c8..deabc78 100644
--- a/arch/arm/include/asm/smp_plat.h
+++ b/arch/arm/include/asm/smp_plat.h
@@ -5,6 +5,9 @@
#ifndef __ASMARM_SMP_PLAT_H
#define __ASMARM_SMP_PLAT_H
+#include <linux/cpumask.h>
+#include <linux/err.h>
+
#include <asm/cputype.h>
/*
@@ -49,4 +52,13 @@ static inline int cache_ops_need_broadcast(void)
extern int __cpu_logical_map[];
#define cpu_logical_map(cpu) __cpu_logical_map[cpu]
+static inline int get_logical_index(u32 mpidr)
+{
+ int cpu;
+ for (cpu = 0; cpu < nr_cpu_ids; cpu++)
+ if (cpu_logical_map(cpu) == mpidr)
+ return cpu;
+ return -EINVAL;
+}
+
#endif