diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/device.h | 2 | ||||
| -rw-r--r-- | include/linux/kmod.h | 2 | ||||
| -rw-r--r-- | include/linux/pm.h | 37 | ||||
| -rw-r--r-- | include/linux/sysfs.h | 13 |
4 files changed, 36 insertions, 18 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index d1a3a27c3988..39a3199a826d 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -294,8 +294,6 @@ extern void class_device_initialize(struct class_device *); extern int __must_check class_device_add(struct class_device *); extern void class_device_del(struct class_device *); -extern int class_device_rename(struct class_device *, char *); - extern struct class_device * class_device_get(struct class_device *); extern void class_device_put(struct class_device *); diff --git a/include/linux/kmod.h b/include/linux/kmod.h index cc8e674ae27a..10f505c8431d 100644 --- a/include/linux/kmod.h +++ b/include/linux/kmod.h @@ -28,10 +28,8 @@ #ifdef CONFIG_KMOD /* modprobe exit status on success, -ve on error. Return value * usually useless though. */ -extern void kmod_sysfs_init(void); extern int request_module(const char * name, ...) __attribute__ ((format (printf, 1, 2))); #else -static inline void kmod_sysfs_init(void) {}; static inline int request_module(const char * name, ...) { return -ENOSYS; } #endif diff --git a/include/linux/pm.h b/include/linux/pm.h index 070394e846d0..21db05ac7c0b 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -120,15 +120,48 @@ typedef int __bitwise suspend_disk_method_t; #define PM_DISK_TESTPROC ((__force suspend_disk_method_t) 6) #define PM_DISK_MAX ((__force suspend_disk_method_t) 7) +/** + * struct pm_ops - Callbacks for managing platform dependent suspend states. + * @valid: Callback to determine whether the given state can be entered. + * If %CONFIG_SOFTWARE_SUSPEND is set then %PM_SUSPEND_DISK is + * always valid and never passed to this call. + * If not assigned, all suspend states are advertised as valid + * in /sys/power/state (but can still be rejected by prepare or enter.) + * + * @prepare: Prepare the platform for the given suspend state. Can return a + * negative error code if necessary. + * + * @enter: Enter the given suspend state, must be assigned. Can return a + * negative error code if necessary. + * + * @finish: Called when the system has left the given state and all devices + * are resumed. The return value is ignored. + * + * @pm_disk_mode: Set to the disk method that the user should be able to + * configure for suspend-to-disk. Since %PM_DISK_SHUTDOWN, + * %PM_DISK_REBOOT, %PM_DISK_TEST and %PM_DISK_TESTPROC + * are always allowed, currently only %PM_DISK_PLATFORM + * makes sense. If the user then choses %PM_DISK_PLATFORM, + * the @prepare call will be called before suspending to disk + * (if present), the @enter call should be present and will + * be called after all state has been saved and the machine + * is ready to be shut down/suspended/..., and the @finish + * callback is called after state has been restored. All + * these calls are called with %PM_SUSPEND_DISK as the state. + */ struct pm_ops { - suspend_disk_method_t pm_disk_mode; int (*valid)(suspend_state_t state); int (*prepare)(suspend_state_t state); int (*enter)(suspend_state_t state); int (*finish)(suspend_state_t state); + suspend_disk_method_t pm_disk_mode; }; -extern void pm_set_ops(struct pm_ops *); +/** + * pm_set_ops - set platform dependent power management ops + * @pm_ops: The new power management operations to set. + */ +extern void pm_set_ops(struct pm_ops *pm_ops); extern struct pm_ops *pm_ops; extern int pm_suspend(suspend_state_t state); diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index f45450b295c0..21805b500aa2 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -17,6 +17,7 @@ struct kobject; struct module; struct nameidata; +struct dentry; struct attribute { const char * name; @@ -68,18 +69,6 @@ struct sysfs_ops { ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t); }; -struct sysfs_dirent { - atomic_t s_count; - struct list_head s_sibling; - struct list_head s_children; - void * s_element; - int s_type; - umode_t s_mode; - struct dentry * s_dentry; - struct iattr * s_iattr; - atomic_t s_event; -}; - #define SYSFS_ROOT 0x0001 #define SYSFS_DIR 0x0002 #define SYSFS_KOBJ_ATTR 0x0004 |