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| author |   Ulrich Hecht <ulrich.hecht@gmail.com> | 2013-01-10 11:16:43 +0100 |
|---|---|---|
| committer |   Simon Horman <horms+renesas@verge.net.au> | 2013-01-30 13:07:59 +0900 |
| commit | 0f234d91b8f50119c4c921db9d9dc0dac24db383 (patch) | |
| tree | 75b08e124c590f4091b75b2b768b5bd000f510dc /arch/arm/mach-shmobile | |
| parent | ARM: mach-shmobile: emev2: Add reg and device_type properties to cpus (diff) | |
| download | linux-dev-0f234d91b8f50119c4c921db9d9dc0dac24db383.tar.xz linux-dev-0f234d91b8f50119c4c921db9d9dc0dac24db383.zip | |
ARM: mach-shmobile: add shmobile_cpu_disable_any()
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>
Diffstat (limited to 'arch/arm/mach-shmobile')
| -rw-r--r-- | arch/arm/mach-shmobile/hotplug.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/common.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/hotplug.c b/arch/arm/mach-shmobile/hotplug.c index b09a0bdbf813..a1524e3367b0 100644 --- a/arch/arm/mach-shmobile/hotplug.c +++ b/arch/arm/mach-shmobile/hotplug.c @@ -56,6 +56,12 @@ int shmobile_cpu_disable(unsigned int cpu) 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) { return cpumask_test_cpu(cpu, &dead_cpus); diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index 64c0622ae7d6..e48606d8a2be 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -84,6 +84,7 @@ static inline int shmobile_cpuidle_init(void) { return 0; } extern void shmobile_cpu_die(unsigned int cpu); extern int shmobile_cpu_disable(unsigned int cpu); +extern int shmobile_cpu_disable_any(unsigned int cpu); #ifdef CONFIG_HOTPLUG_CPU extern int shmobile_cpu_is_dead(unsigned int cpu); |