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path: root/drivers/base/cpu.c
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Diffstat (limited to 'drivers/base/cpu.c')
-rw-r--r--drivers/base/cpu.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 29f3d7504da1..dd712b24ec91 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -19,11 +19,6 @@ EXPORT_SYMBOL(cpu_sysdev_class);
19static struct sys_device *cpu_sys_devices[NR_CPUS]; 19static struct sys_device *cpu_sys_devices[NR_CPUS];
20 20
21#ifdef CONFIG_HOTPLUG_CPU 21#ifdef CONFIG_HOTPLUG_CPU
22int __attribute__((weak)) smp_prepare_cpu (int cpu)
23{
24 return 0;
25}
26
27static ssize_t show_online(struct sys_device *dev, char *buf) 22static ssize_t show_online(struct sys_device *dev, char *buf)
28{ 23{
29 struct cpu *cpu = container_of(dev, struct cpu, sysdev); 24 struct cpu *cpu = container_of(dev, struct cpu, sysdev);
@@ -44,9 +39,7 @@ static ssize_t store_online(struct sys_device *dev, const char *buf,
44 kobject_uevent(&dev->kobj, KOBJ_OFFLINE); 39 kobject_uevent(&dev->kobj, KOBJ_OFFLINE);
45 break; 40 break;
46 case '1': 41 case '1':
47 ret = smp_prepare_cpu(cpu->sysdev.id); 42 ret = cpu_up(cpu->sysdev.id);
48 if (!ret)
49 ret = cpu_up(cpu->sysdev.id);
50 if (!ret) 43 if (!ret)
51 kobject_uevent(&dev->kobj, KOBJ_ONLINE); 44 kobject_uevent(&dev->kobj, KOBJ_ONLINE);
52 break; 45 break;