aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/blackfin/kernel/nmi.c30
1 files changed, 9 insertions, 21 deletions
diff --git a/arch/blackfin/kernel/nmi.c b/arch/blackfin/kernel/nmi.c
index 0b5f72f17fd0..401eb1d8e3b4 100644
--- a/arch/blackfin/kernel/nmi.c
+++ b/arch/blackfin/kernel/nmi.c
@@ -12,7 +12,7 @@
12 12
13#include <linux/bitops.h> 13#include <linux/bitops.h>
14#include <linux/hardirq.h> 14#include <linux/hardirq.h>
15#include <linux/sysdev.h> 15#include <linux/syscore_ops.h>
16#include <linux/pm.h> 16#include <linux/pm.h>
17#include <linux/nmi.h> 17#include <linux/nmi.h>
18#include <linux/smp.h> 18#include <linux/smp.h>
@@ -196,43 +196,31 @@ void touch_nmi_watchdog(void)
196 196
197/* Suspend/resume support */ 197/* Suspend/resume support */
198#ifdef CONFIG_PM 198#ifdef CONFIG_PM
199static int nmi_wdt_suspend(struct sys_device *dev, pm_message_t state) 199static int nmi_wdt_suspend(void)
200{ 200{
201 nmi_wdt_stop(); 201 nmi_wdt_stop();
202 return 0; 202 return 0;
203} 203}
204 204
205static int nmi_wdt_resume(struct sys_device *dev) 205static void nmi_wdt_resume(void)
206{ 206{
207 if (nmi_active) 207 if (nmi_active)
208 nmi_wdt_start(); 208 nmi_wdt_start();
209 return 0;
210} 209}
211 210
212static struct sysdev_class nmi_sysclass = { 211static struct syscore_ops nmi_syscore_ops = {
213 .name = DRV_NAME,
214 .resume = nmi_wdt_resume, 212 .resume = nmi_wdt_resume,
215 .suspend = nmi_wdt_suspend, 213 .suspend = nmi_wdt_suspend,
216}; 214};
217 215
218static struct sys_device device_nmi_wdt = { 216static int __init init_nmi_wdt_syscore(void)
219 .id = 0,
220 .cls = &nmi_sysclass,
221};
222
223static int __init init_nmi_wdt_sysfs(void)
224{ 217{
225 int error; 218 if (nmi_active)
226 219 register_syscore_ops(&nmi_syscore_ops);
227 if (!nmi_active)
228 return 0;
229 220
230 error = sysdev_class_register(&nmi_sysclass); 221 return 0;
231 if (!error)
232 error = sysdev_register(&device_nmi_wdt);
233 return error;
234} 222}
235late_initcall(init_nmi_wdt_sysfs); 223late_initcall(init_nmi_wdt_syscore);
236 224
237#endif /* CONFIG_PM */ 225#endif /* CONFIG_PM */
238 226