From 0f234d91b8f50119c4c921db9d9dc0dac24db383 Mon Sep 17 00:00:00 2001 From: Ulrich Hecht Date: Thu, 10 Jan 2013 11:16:43 +0100 Subject: [PATCH] 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 Signed-off-by: Simon Horman --- arch/arm/mach-shmobile/hotplug.c | 6 ++++++ arch/arm/mach-shmobile/include/mach/common.h | 1 + 2 files changed, 7 insertions(+) diff --git a/arch/arm/mach-shmobile/hotplug.c b/arch/arm/mach-shmobile/hotplug.c index b09a0bd..a1524e3 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 64c0622..e48606d 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); -- 2.7.4