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Diffstat (limited to 'arch/x86/oprofile/nmi_int.c')
-rw-r--r--arch/x86/oprofile/nmi_int.c44
1 files changed, 12 insertions, 32 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index e2b7b0c06cd..8dace181c88 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -15,7 +15,7 @@
#include <linux/notifier.h>
#include <linux/smp.h>
#include <linux/oprofile.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
#include <linux/kdebug.h>
@@ -536,7 +536,7 @@ static void nmi_shutdown(void)
#ifdef CONFIG_PM
-static int nmi_suspend(struct sys_device *dev, pm_message_t state)
+static int nmi_suspend(void)
{
/* Only one CPU left, just stop that one */
if (nmi_enabled == 1)
@@ -544,49 +544,31 @@ static int nmi_suspend(struct sys_device *dev, pm_message_t state)
return 0;
}
-static int nmi_resume(struct sys_device *dev)
+static void nmi_resume(void)
{
if (nmi_enabled == 1)
nmi_cpu_start(NULL);
- return 0;
}
-static struct sysdev_class oprofile_sysclass = {
- .name = "oprofile",
+static struct syscore_ops oprofile_syscore_ops = {
.resume = nmi_resume,
.suspend = nmi_suspend,
};
-static struct sys_device device_oprofile = {
- .id = 0,
- .cls = &oprofile_sysclass,
-};
-
-static int __init init_sysfs(void)
+static void __init init_suspend_resume(void)
{
- int error;
-
- error = sysdev_class_register(&oprofile_sysclass);
- if (error)
- return error;
-
- error = sysdev_register(&device_oprofile);
- if (error)
- sysdev_class_unregister(&oprofile_sysclass);
-
- return error;
+ register_syscore_ops(&oprofile_syscore_ops);
}
-static void exit_sysfs(void)
+static void exit_suspend_resume(void)
{
- sysdev_unregister(&device_oprofile);
- sysdev_class_unregister(&oprofile_sysclass);
+ unregister_syscore_ops(&oprofile_syscore_ops);
}
#else
-static inline int init_sysfs(void) { return 0; }
-static inline void exit_sysfs(void) { }
+static inline void init_suspend_resume(void) { }
+static inline void exit_suspend_resume(void) { }
#endif /* CONFIG_PM */
@@ -789,9 +771,7 @@ int __init op_nmi_init(struct oprofile_operations *ops)
mux_init(ops);
- ret = init_sysfs();
- if (ret)
- return ret;
+ init_suspend_resume();
printk(KERN_INFO "oprofile: using NMI interrupt.\n");
return 0;
@@ -799,5 +779,5 @@ int __init op_nmi_init(struct oprofile_operations *ops)
void op_nmi_exit(void)
{
- exit_sysfs();
+ exit_suspend_resume();
}