diff options
Diffstat (limited to 'arch/arm/include/asm/smp_plat.h')
-rw-r--r-- | arch/arm/include/asm/smp_plat.h | 12 |
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 558d6c80aca..deabc7806d3 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 |