X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Flinux%2Fdevice.h;h=2e1a2988b7e15a35240c63a5f56928f2145c2ea2;hb=121e70b69aef898a3c02fa90d0a2108381bcf975;hp=5cf30e95c8b649fb0dbae32f1c20a4840b4cbff3;hpb=9a5ee4cc9ef8de5185114237a81f5f395e21d8fd;p=powerpc.git diff --git a/include/linux/device.h b/include/linux/device.h index 5cf30e95c8..2e1a2988b7 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -34,11 +34,26 @@ 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 subsys; struct kset drivers; struct kset devices; struct klist klist_devices; @@ -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 +78,8 @@ 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; }; extern int __must_check bus_register(struct bus_type * bus); @@ -102,26 +121,10 @@ 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 +138,6 @@ 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; }; @@ -177,14 +178,13 @@ struct class { const char * name; struct module * owner; - struct subsystem subsys; + struct kset subsys; 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 +328,23 @@ 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 +366,12 @@ 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); @@ -396,12 +412,13 @@ struct device { struct klist_node knode_parent; /* node in sibling list */ struct klist_node knode_driver; struct klist_node knode_bus; - struct device * parent; + struct device *parent; 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 device_attribute uevent_attr; struct device_attribute *devt_attr; @@ -442,7 +459,6 @@ struct device { struct class *class; dev_t devt; /* dev_t, creates the sysfs "dev" */ struct attribute_group **groups; /* optional groups */ - int uevent_suppress; void (*release)(struct device * dev); }; @@ -542,8 +558,8 @@ extern void device_shutdown(void); /* drivers/base/firmware.c */ -extern int __must_check firmware_register(struct subsystem *); -extern void firmware_unregister(struct subsystem *); +extern int __must_check firmware_register(struct kset *); +extern void firmware_unregister(struct kset *); /* debugging and troubleshooting/diagnostic helpers. */ extern const char *dev_driver_string(struct device *dev); @@ -554,7 +570,11 @@ 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...) \