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-rw-r--r--include/linux/device.h4
-rw-r--r--include/linux/pm.h10
-rw-r--r--include/linux/sysdev.h7
3 files changed, 17 insertions, 4 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index 144ec135875f..ab8dfc095709 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -633,8 +633,12 @@ static inline int devtmpfs_mount(const char *mountpoint) { return 0; }
633/* drivers/base/power/shutdown.c */ 633/* drivers/base/power/shutdown.c */
634extern void device_shutdown(void); 634extern void device_shutdown(void);
635 635
636#ifndef CONFIG_ARCH_NO_SYSDEV_OPS
636/* drivers/base/sys.c */ 637/* drivers/base/sys.c */
637extern void sysdev_shutdown(void); 638extern void sysdev_shutdown(void);
639#else
640static inline void sysdev_shutdown(void) { }
641#endif
638 642
639/* debugging and troubleshooting/diagnostic helpers. */ 643/* debugging and troubleshooting/diagnostic helpers. */
640extern const char *dev_driver_string(const struct device *dev); 644extern const char *dev_driver_string(const struct device *dev);
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 6618216bb973..512e09177e57 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -529,13 +529,19 @@ struct dev_power_domain {
529 */ 529 */
530 530
531#ifdef CONFIG_PM_SLEEP 531#ifdef CONFIG_PM_SLEEP
532extern void device_pm_lock(void); 532#ifndef CONFIG_ARCH_NO_SYSDEV_OPS
533extern int sysdev_suspend(pm_message_t state);
533extern int sysdev_resume(void); 534extern int sysdev_resume(void);
535#else
536static inline int sysdev_suspend(pm_message_t state) { return 0; }
537static inline int sysdev_resume(void) { return 0; }
538#endif
539
540extern void device_pm_lock(void);
534extern void dpm_resume_noirq(pm_message_t state); 541extern void dpm_resume_noirq(pm_message_t state);
535extern void dpm_resume_end(pm_message_t state); 542extern void dpm_resume_end(pm_message_t state);
536 543
537extern void device_pm_unlock(void); 544extern void device_pm_unlock(void);
538extern int sysdev_suspend(pm_message_t state);
539extern int dpm_suspend_noirq(pm_message_t state); 545extern int dpm_suspend_noirq(pm_message_t state);
540extern int dpm_suspend_start(pm_message_t state); 546extern int dpm_suspend_start(pm_message_t state);
541 547
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h
index 1154c29f4101..8a75da551e4e 100644
--- a/include/linux/sysdev.h
+++ b/include/linux/sysdev.h
@@ -33,12 +33,13 @@ struct sysdev_class {
33 const char *name; 33 const char *name;
34 struct list_head drivers; 34 struct list_head drivers;
35 struct sysdev_class_attribute **attrs; 35 struct sysdev_class_attribute **attrs;
36 36 struct kset kset;
37#ifndef CONFIG_ARCH_NO_SYSDEV_OPS
37 /* Default operations for these types of devices */ 38 /* Default operations for these types of devices */
38 int (*shutdown)(struct sys_device *); 39 int (*shutdown)(struct sys_device *);
39 int (*suspend)(struct sys_device *, pm_message_t state); 40 int (*suspend)(struct sys_device *, pm_message_t state);
40 int (*resume)(struct sys_device *); 41 int (*resume)(struct sys_device *);
41 struct kset kset; 42#endif
42}; 43};
43 44
44struct sysdev_class_attribute { 45struct sysdev_class_attribute {
@@ -76,9 +77,11 @@ struct sysdev_driver {
76 struct list_head entry; 77 struct list_head entry;
77 int (*add)(struct sys_device *); 78 int (*add)(struct sys_device *);
78 int (*remove)(struct sys_device *); 79 int (*remove)(struct sys_device *);
80#ifndef CONFIG_ARCH_NO_SYSDEV_OPS
79 int (*shutdown)(struct sys_device *); 81 int (*shutdown)(struct sys_device *);
80 int (*suspend)(struct sys_device *, pm_message_t state); 82 int (*suspend)(struct sys_device *, pm_message_t state);
81 int (*resume)(struct sys_device *); 83 int (*resume)(struct sys_device *);
84#endif
82}; 85};
83 86
84 87