diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/debugfs.h | 9 | ||||
| -rw-r--r-- | include/linux/device.h | 69 | ||||
| -rw-r--r-- | include/linux/kobject.h | 12 | ||||
| -rw-r--r-- | include/linux/namei.h | 1 | ||||
| -rw-r--r-- | include/linux/pci.h | 2 | ||||
| -rw-r--r-- | include/linux/pm.h | 37 | ||||
| -rw-r--r-- | include/linux/sysfs.h | 4 |
7 files changed, 99 insertions, 35 deletions
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index 9fa0983d1aa..5a9c49534d0 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -44,6 +44,8 @@ struct dentry *debugfs_create_u16(const char *name, mode_t mode, struct dentry *parent, u16 *value); struct dentry *debugfs_create_u32(const char *name, mode_t mode, struct dentry *parent, u32 *value); +struct dentry *debugfs_create_u64(const char *name, mode_t mode, + struct dentry *parent, u64 *value); struct dentry *debugfs_create_bool(const char *name, mode_t mode, struct dentry *parent, u32 *value); @@ -104,6 +106,13 @@ static inline struct dentry *debugfs_create_u32(const char *name, mode_t mode, return ERR_PTR(-ENODEV); } +static inline struct dentry *debugfs_create_u64(const char *name, mode_t mode, + struct dentry *parent, + u64 *value) +{ + return ERR_PTR(-ENODEV); +} + static inline struct dentry *debugfs_create_bool(const char *name, mode_t mode, struct dentry *parent, u32 *value) diff --git a/include/linux/device.h b/include/linux/device.h index 5cf30e95c8b..a0cd2ced31a 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -34,9 +34,24 @@ struct device; struct device_driver; struct class; struct class_device; +struct bus_type; + +struct bus_attribute { + struct attribute attr; + ssize_t (*show)(struct bus_type *, char * buf); + ssize_t (*store)(struct bus_type *, const char * buf, size_t count); +}; + +#define BUS_ATTR(_name,_mode,_show,_store) \ +struct bus_attribute bus_attr_##_name = __ATTR(_name,_mode,_show,_store) + +extern int __must_check bus_create_file(struct bus_type *, + struct bus_attribute *); +extern void bus_remove_file(struct bus_type *, struct bus_attribute *); struct bus_type { const char * name; + struct module * owner; struct subsystem subsys; struct kset drivers; @@ -49,6 +64,8 @@ struct bus_type { struct bus_attribute * bus_attrs; struct device_attribute * dev_attrs; struct driver_attribute * drv_attrs; + struct bus_attribute drivers_autoprobe_attr; + struct bus_attribute drivers_probe_attr; int (*match)(struct device * dev, struct device_driver * drv); int (*uevent)(struct device *dev, char **envp, @@ -61,6 +78,9 @@ struct bus_type { int (*suspend_late)(struct device * dev, pm_message_t state); int (*resume_early)(struct device * dev); int (*resume)(struct device * dev); + + unsigned int drivers_autoprobe:1; + unsigned int multithread_probe:1; }; extern int __must_check bus_register(struct bus_type * bus); @@ -102,26 +122,10 @@ extern int bus_unregister_notifier(struct bus_type *bus, #define BUS_NOTIFY_UNBIND_DRIVER 0x00000004 /* driver about to be unbound */ -/* sysfs interface for exporting bus attributes */ - -struct bus_attribute { - struct attribute attr; - ssize_t (*show)(struct bus_type *, char * buf); - ssize_t (*store)(struct bus_type *, const char * buf, size_t count); -}; - -#define BUS_ATTR(_name,_mode,_show,_store) \ -struct bus_attribute bus_attr_##_name = __ATTR(_name,_mode,_show,_store) - -extern int __must_check bus_create_file(struct bus_type *, - struct bus_attribute *); -extern void bus_remove_file(struct bus_type *, struct bus_attribute *); - struct device_driver { const char * name; struct bus_type * bus; - struct completion unloaded; struct kobject kobj; struct klist klist_devices; struct klist_node knode_bus; @@ -135,8 +139,6 @@ struct device_driver { void (*shutdown) (struct device * dev); int (*suspend) (struct device * dev, pm_message_t state); int (*resume) (struct device * dev); - - unsigned int multithread_probe:1; }; @@ -181,10 +183,9 @@ struct class { struct list_head children; struct list_head devices; struct list_head interfaces; + struct kset class_dirs; struct semaphore sem; /* locks both the children and interfaces lists */ - struct kobject *virtual_dir; - struct class_attribute * class_attrs; struct class_device_attribute * class_dev_attrs; struct device_attribute * dev_attrs; @@ -328,11 +329,23 @@ extern struct class_device *class_device_create(struct class *cls, __attribute__((format(printf,5,6))); extern void class_device_destroy(struct class *cls, dev_t devt); +/* + * The type of device, "struct device" is embedded in. A class + * or bus can contain devices of different types + * like "partitions" and "disks", "mouse" and "event". + * This identifies the device type and carries type-specific + * information, equivalent to the kobj_type of a kobject. + * If "name" is specified, the uevent will contain it in + * the DEVTYPE variable. + */ struct device_type { - struct device_attribute *attrs; + const char *name; + struct attribute_group **groups; int (*uevent)(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size); void (*release)(struct device *dev); + int (*suspend)(struct device * dev, pm_message_t state); + int (*resume)(struct device * dev); }; /* interface for exporting device attributes */ @@ -354,8 +367,12 @@ extern int __must_check device_create_bin_file(struct device *dev, struct bin_attribute *attr); extern void device_remove_bin_file(struct device *dev, struct bin_attribute *attr); -extern int device_schedule_callback(struct device *dev, - void (*func)(struct device *)); +extern int device_schedule_callback_owner(struct device *dev, + void (*func)(struct device *), struct module *owner); + +/* This is a macro to avoid include problems with THIS_MODULE */ +#define device_schedule_callback(dev, func) \ + device_schedule_callback_owner(dev, func, THIS_MODULE) /* device resource management */ typedef void (*dr_release_t)(struct device *dev, void *res); @@ -554,7 +571,11 @@ extern const char *dev_driver_string(struct device *dev); #define dev_dbg(dev, format, arg...) \ dev_printk(KERN_DEBUG , dev , format , ## arg) #else -#define dev_dbg(dev, format, arg...) do { (void)(dev); } while (0) +static inline int __attribute__ ((format (printf, 2, 3))) +dev_dbg(struct device * dev, const char * fmt, ...) +{ + return 0; +} #endif #define dev_err(dev, format, arg...) \ diff --git a/include/linux/kobject.h b/include/linux/kobject.h index b850e031053..eb0e63ef297 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -22,7 +22,6 @@ #include <linux/sysfs.h> #include <linux/compiler.h> #include <linux/spinlock.h> -#include <linux/rwsem.h> #include <linux/kref.h> #include <linux/kernel.h> #include <linux/wait.h> @@ -43,11 +42,9 @@ enum kobject_action { KOBJ_ADD = (__force kobject_action_t) 0x01, /* exclusive to core */ KOBJ_REMOVE = (__force kobject_action_t) 0x02, /* exclusive to core */ KOBJ_CHANGE = (__force kobject_action_t) 0x03, /* device state change */ - KOBJ_MOUNT = (__force kobject_action_t) 0x04, /* mount event for block devices (broken) */ - KOBJ_UMOUNT = (__force kobject_action_t) 0x05, /* umount event for block devices (broken) */ - KOBJ_OFFLINE = (__force kobject_action_t) 0x06, /* device offline */ - KOBJ_ONLINE = (__force kobject_action_t) 0x07, /* device online */ - KOBJ_MOVE = (__force kobject_action_t) 0x08, /* device move */ + KOBJ_OFFLINE = (__force kobject_action_t) 0x04, /* device offline */ + KOBJ_ONLINE = (__force kobject_action_t) 0x05, /* device online */ + KOBJ_MOVE = (__force kobject_action_t) 0x06, /* device move */ }; struct kobject { @@ -89,6 +86,8 @@ extern void kobject_unregister(struct kobject *); extern struct kobject * kobject_get(struct kobject *); extern void kobject_put(struct kobject *); +extern struct kobject *kobject_kset_add_dir(struct kset *kset, + struct kobject *, const char *); extern struct kobject *kobject_add_dir(struct kobject *, const char *); extern char * kobject_get_path(struct kobject *, gfp_t); @@ -175,7 +174,6 @@ extern struct kobject * kset_find_obj(struct kset *, const char *); struct subsystem { struct kset kset; - struct rw_semaphore rwsem; }; #define decl_subsys(_name,_type,_uevent_ops) \ diff --git a/include/linux/namei.h b/include/linux/namei.h index d39a5a67e97..b7dd24917f0 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -82,6 +82,7 @@ extern struct file *nameidata_to_filp(struct nameidata *nd, int flags); extern void release_open_intent(struct nameidata *); extern struct dentry * lookup_one_len(const char *, struct dentry *, int); +extern struct dentry *lookup_one_len_kern(const char *, struct dentry *, int); extern int follow_down(struct vfsmount **, struct dentry **); extern int follow_up(struct vfsmount **, struct dentry **); diff --git a/include/linux/pci.h b/include/linux/pci.h index 481ea0663f1..a3ad76221c6 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -361,8 +361,6 @@ struct pci_driver { struct pci_error_handlers *err_handler; struct device_driver driver; struct pci_dynids dynids; - - int multithread_probe; }; #define to_pci_driver(drv) container_of(drv,struct pci_driver, driver) diff --git a/include/linux/pm.h b/include/linux/pm.h index 21db05ac7c0..9bd86db4d39 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -166,6 +166,24 @@ extern struct pm_ops *pm_ops; extern int pm_suspend(suspend_state_t state); +/** + * arch_suspend_disable_irqs - disable IRQs for suspend + * + * Disables IRQs (in the default case). This is a weak symbol in the common + * code and thus allows architectures to override it if more needs to be + * done. Not called for suspend to disk. + */ +extern void arch_suspend_disable_irqs(void); + +/** + * arch_suspend_enable_irqs - enable IRQs after suspend + * + * Enables IRQs (in the default case). This is a weak symbol in the common + * code and thus allows architectures to override it if more needs to be + * done. Not called for suspend to disk. + */ +extern void arch_suspend_enable_irqs(void); + /* * Device power management */ @@ -273,6 +291,20 @@ extern void __suspend_report_result(const char *function, void *fn, int ret); __suspend_report_result(__FUNCTION__, fn, ret); \ } while (0) +/* + * Platform hook to activate device wakeup capability, if that's not already + * handled by enable_irq_wake() etc. + * Returns zero on success, else negative errno + */ +extern int (*platform_enable_wakeup)(struct device *dev, int is_on); + +static inline int call_platform_enable_wakeup(struct device *dev, int is_on) +{ + if (platform_enable_wakeup) + return (*platform_enable_wakeup)(dev, is_on); + return 0; +} + #else /* !CONFIG_PM */ static inline int device_suspend(pm_message_t state) @@ -294,6 +326,11 @@ static inline void dpm_runtime_resume(struct device * dev) #define suspend_report_result(fn, ret) do { } while (0) +static inline int call_platform_enable_wakeup(struct device *dev, int is_on) +{ + return -EIO; +} + #endif /* changes to device_may_wakeup take effect on the next pm state change. diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index fea9a6b3fb7..7d5d1ec95c2 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -80,7 +80,7 @@ struct sysfs_ops { #ifdef CONFIG_SYSFS extern int sysfs_schedule_callback(struct kobject *kobj, - void (*func)(void *), void *data); + void (*func)(void *), void *data, struct module *owner); extern int __must_check sysfs_create_dir(struct kobject *, struct dentry *); @@ -137,7 +137,7 @@ extern int __must_check sysfs_init(void); #else /* CONFIG_SYSFS */ static inline int sysfs_schedule_callback(struct kobject *kobj, - void (*func)(void *), void *data) + void (*func)(void *), void *data, struct module *owner) { return -ENOSYS; } |