From: Ulrich Hecht <ulrich.hecht@gmail.com>
To: linux-sh@vger.kernel.org
Subject: [PATCH 1/2] ARM: mach-shmobile: add shmobile_cpu_disable_any()
Date: Thu, 10 Jan 2013 10:16:43 +0000 [thread overview]
Message-ID: <1357813004-9549-2-git-send-email-ulrich.hecht@gmail.com> (raw)
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>
---
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
reply other threads:[~2013-01-10 10:16 UTC|newest]
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