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arm64: topology: Export arch_get_cpu_efficiency API

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Export arch_get_cpu_efficiency API since it can be called
by the modules. Update topology header file too.

CRs-Fixed: 1038542
Change-Id: Ie2ab84b02a8fb4070a0e86f09f52db9aa4163003
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
This commit is contained in:
Trilok Soni 2016-06-10 14:49:06 -07:00 • committed by Kyle Yan
parent 3ab333cd26
commit f9d0fd115f
2 changed files with 2 additions and 0 deletions
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arch/arm64/include/asm/topology.h
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@ -21,6 +21,7 @@ extern struct cpu_topology cpu_topology[NR_CPUS];
void init_cpu_topology(void);
void store_cpu_topology(unsigned int cpuid);
const struct cpumask *cpu_coregroup_mask(int cpu);
unsigned long arch_get_cpu_efficiency(int cpu);
#include <asm-generic/topology.h>

1
arch/arm64/kernel/topology.c
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@ -215,6 +215,7 @@ unsigned long arch_get_cpu_efficiency(int cpu)
{
return per_cpu(cpu_efficiency, cpu);
}
EXPORT_SYMBOL(arch_get_cpu_efficiency);
/*
* Iterate all CPUs' descriptor in DT and compute the efficiency