diff options
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 134 |
1 files changed, 10 insertions, 124 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 2258d89bf52..832fb0eb293 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -20,7 +20,7 @@ #include <linux/types.h> #include <linux/module.h> #include <linux/pm.h> -#include <asm/semaphore.h> +#include <linux/semaphore.h> #include <asm/atomic.h> #include <asm/device.h> @@ -35,7 +35,6 @@ struct device; struct device_driver; struct driver_private; struct class; -struct class_device; struct bus_type; struct bus_type_private; @@ -190,13 +189,10 @@ struct class { struct kset class_dirs; struct semaphore sem; /* locks children, devices, interfaces */ struct class_attribute *class_attrs; - struct class_device_attribute *class_dev_attrs; struct device_attribute *dev_attrs; - int (*uevent)(struct class_device *dev, struct kobj_uevent_env *env); int (*dev_uevent)(struct device *dev, struct kobj_uevent_env *env); - void (*release)(struct class_device *dev); void (*class_release)(struct class *class); void (*dev_release)(struct device *dev); @@ -210,9 +206,6 @@ extern int class_for_each_device(struct class *class, void *data, int (*fn)(struct device *dev, void *data)); extern struct device *class_find_device(struct class *class, void *data, int (*match)(struct device *, void *)); -extern struct class_device *class_find_child(struct class *class, void *data, - int (*match)(struct class_device *, void *)); - struct class_attribute { struct attribute attr; @@ -228,92 +221,10 @@ extern int __must_check class_create_file(struct class *class, extern void class_remove_file(struct class *class, const struct class_attribute *attr); -struct class_device_attribute { - struct attribute attr; - ssize_t (*show)(struct class_device *, char *buf); - ssize_t (*store)(struct class_device *, const char *buf, size_t count); -}; - -#define CLASS_DEVICE_ATTR(_name, _mode, _show, _store) \ -struct class_device_attribute class_device_attr_##_name = \ - __ATTR(_name, _mode, _show, _store) - -extern int __must_check class_device_create_file(struct class_device *, - const struct class_device_attribute *); - -/** - * struct class_device - class devices - * @class: pointer to the parent class for this class device. This is required. - * @devt: for internal use by the driver core only. - * @node: for internal use by the driver core only. - * @kobj: for internal use by the driver core only. - * @groups: optional additional groups to be created - * @dev: if set, a symlink to the struct device is created in the sysfs - * directory for this struct class device. - * @class_data: pointer to whatever you want to store here for this struct - * class_device. Use class_get_devdata() and class_set_devdata() to get and - * set this pointer. - * @parent: pointer to a struct class_device that is the parent of this struct - * class_device. If NULL, this class_device will show up at the root of the - * struct class in sysfs (which is probably what you want to have happen.) - * @release: pointer to a release function for this struct class_device. If - * set, this will be called instead of the class specific release function. - * Only use this if you want to override the default release function, like - * when you are nesting class_device structures. - * @uevent: pointer to a uevent function for this struct class_device. If - * set, this will be called instead of the class specific uevent function. - * Only use this if you want to override the default uevent function, like - * when you are nesting class_device structures. - */ -struct class_device { - struct list_head node; - - struct kobject kobj; - struct class *class; - dev_t devt; - struct device *dev; - void *class_data; - struct class_device *parent; - struct attribute_group **groups; - - void (*release)(struct class_device *dev); - int (*uevent)(struct class_device *dev, struct kobj_uevent_env *env); - char class_id[BUS_ID_SIZE]; -}; - -static inline void *class_get_devdata(struct class_device *dev) -{ - return dev->class_data; -} - -static inline void class_set_devdata(struct class_device *dev, void *data) -{ - dev->class_data = data; -} - - -extern int __must_check class_device_register(struct class_device *); -extern void class_device_unregister(struct class_device *); -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 struct class_device *class_device_get(struct class_device *); -extern void class_device_put(struct class_device *); - -extern void class_device_remove_file(struct class_device *, - const struct class_device_attribute *); -extern int __must_check class_device_create_bin_file(struct class_device *, - struct bin_attribute *); -extern void class_device_remove_bin_file(struct class_device *, - struct bin_attribute *); - struct class_interface { struct list_head node; struct class *class; - int (*add) (struct class_device *, struct class_interface *); - void (*remove) (struct class_device *, struct class_interface *); int (*add_dev) (struct device *, struct class_interface *); void (*remove_dev) (struct device *, struct class_interface *); }; @@ -323,13 +234,6 @@ extern void class_interface_unregister(struct class_interface *); extern struct class *class_create(struct module *owner, const char *name); extern void class_destroy(struct class *cls); -extern struct class_device *class_device_create(struct class *cls, - struct class_device *parent, - dev_t devt, - struct device *device, - const char *fmt, ...) - __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 @@ -429,7 +333,6 @@ struct device { struct kobject kobj; char bus_id[BUS_ID_SIZE]; /* position on parent bus */ struct device_type *type; - unsigned is_registered:1; unsigned uevent_suppress:1; struct semaphore sem; /* semaphore to synchronize calls to @@ -466,7 +369,6 @@ struct device { spinlock_t devres_lock; struct list_head devres_head; - /* class_device migration path */ struct list_head node; struct class *class; dev_t devt; /* dev_t, creates the sysfs "dev" */ @@ -475,6 +377,9 @@ struct device { void (*release)(struct device *dev); }; +/* Get the wakeup routines, which depend on struct device */ +#include <linux/pm_wakeup.h> + #ifdef CONFIG_NUMA static inline int dev_to_node(struct device *dev) { @@ -506,7 +411,7 @@ static inline void dev_set_drvdata(struct device *dev, void *data) static inline int device_is_registered(struct device *dev) { - return dev->is_registered; + return dev->kobj.state_in_sysfs; } void driver_init(void); @@ -543,20 +448,6 @@ extern struct device *device_create(struct class *cls, struct device *parent, dev_t devt, const char *fmt, ...) __attribute__((format(printf, 4, 5))); extern void device_destroy(struct class *cls, dev_t devt); -#ifdef CONFIG_PM_SLEEP -extern void destroy_suspended_device(struct class *cls, dev_t devt); -extern void device_pm_schedule_removal(struct device *); -#else /* !CONFIG_PM_SLEEP */ -static inline void destroy_suspended_device(struct class *cls, dev_t devt) -{ - device_destroy(cls, devt); -} - -static inline void device_pm_schedule_removal(struct device *dev) -{ - device_unregister(dev); -} -#endif /* !CONFIG_PM_SLEEP */ /* * Platform "fixup" functions - allow the platform to have their say @@ -608,21 +499,16 @@ extern const char *dev_driver_string(struct device *dev); #define dev_dbg(dev, format, arg...) \ dev_printk(KERN_DEBUG , dev , format , ## arg) #else -static inline int __attribute__ ((format (printf, 2, 3))) -dev_dbg(struct device *dev, const char *fmt, ...) -{ - return 0; -} +#define dev_dbg(dev, format, arg...) \ + ({ if (0) dev_printk(KERN_DEBUG, dev, format, ##arg); 0; }) #endif #ifdef VERBOSE_DEBUG #define dev_vdbg dev_dbg #else -static inline int __attribute__ ((format (printf, 2, 3))) -dev_vdbg(struct device *dev, const char *fmt, ...) -{ - return 0; -} + +#define dev_vdbg(dev, format, arg...) \ + ({ if (0) dev_printk(KERN_DEBUG, dev, format, ##arg); 0; }) #endif /* Create alias, so I can be autoloaded. */ |