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ARM: mach-shmobile: add shmobile_cpu_disable_any()

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Method to disable any core to be used on platforms where CPU0 does not
need special treatment.

Signed-off-by: Ulrich Hecht <ulrich.hecht@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Ulrich Hecht 2013-01-10 11:16:43 +01:00 committed by Simon Horman
parent fe681d2941
commit 0f234d91b8
2 changed files with 7 additions and 0 deletions
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6
arch/arm/mach-shmobile/hotplug.c
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@ -56,6 +56,12 @@ int shmobile_cpu_disable(unsigned int cpu)
return cpu == 0 ? -EPERM : 0; return cpu == 0 ? -EPERM : 0;
} }
int shmobile_cpu_disable_any(unsigned int cpu)
{
cpumask_clear_cpu(cpu, &dead_cpus);
return 0;
}
int shmobile_cpu_is_dead(unsigned int cpu) int shmobile_cpu_is_dead(unsigned int cpu)
{ {
return cpumask_test_cpu(cpu, &dead_cpus); return cpumask_test_cpu(cpu, &dead_cpus);

1
arch/arm/mach-shmobile/include/mach/common.h
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@ -84,6 +84,7 @@ static inline int shmobile_cpuidle_init(void) { return 0; }
extern void shmobile_cpu_die(unsigned int cpu); extern void shmobile_cpu_die(unsigned int cpu);
extern int shmobile_cpu_disable(unsigned int cpu); extern int shmobile_cpu_disable(unsigned int cpu);
extern int shmobile_cpu_disable_any(unsigned int cpu);
#ifdef CONFIG_HOTPLUG_CPU #ifdef CONFIG_HOTPLUG_CPU
extern int shmobile_cpu_is_dead(unsigned int cpu); extern int shmobile_cpu_is_dead(unsigned int cpu);