From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ulrich Hecht Date: Thu, 10 Jan 2013 10:16:43 +0000 Subject: [PATCH 1/2] ARM: mach-shmobile: add shmobile_cpu_disable_any() Message-Id: <1357813004-9549-2-git-send-email-ulrich.hecht@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org Method to disable any core to be used on platforms where CPU0 does not need special treatment. Signed-off-by: Ulrich Hecht --- 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 dfeca79..d22ea86 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -73,6 +73,7 @@ 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); -- 1.7.10.4