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-rw-r--r--include/linux/device.h34
1 files changed, 19 insertions, 15 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index de0e73eae6bc..9d54fe13eb2e 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -34,9 +34,24 @@ struct device;
34struct device_driver; 34struct device_driver;
35struct class; 35struct class;
36struct class_device; 36struct class_device;
37struct bus_type;
38
39struct bus_attribute {
40 struct attribute attr;
41 ssize_t (*show)(struct bus_type *, char * buf);
42 ssize_t (*store)(struct bus_type *, const char * buf, size_t count);
43};
44
45#define BUS_ATTR(_name,_mode,_show,_store) \
46struct bus_attribute bus_attr_##_name = __ATTR(_name,_mode,_show,_store)
47
48extern int __must_check bus_create_file(struct bus_type *,
49 struct bus_attribute *);
50extern void bus_remove_file(struct bus_type *, struct bus_attribute *);
37 51
38struct bus_type { 52struct bus_type {
39 const char * name; 53 const char * name;
54 struct module * owner;
40 55
41 struct subsystem subsys; 56 struct subsystem subsys;
42 struct kset drivers; 57 struct kset drivers;
@@ -49,6 +64,8 @@ struct bus_type {
49 struct bus_attribute * bus_attrs; 64 struct bus_attribute * bus_attrs;
50 struct device_attribute * dev_attrs; 65 struct device_attribute * dev_attrs;
51 struct driver_attribute * drv_attrs; 66 struct driver_attribute * drv_attrs;
67 struct bus_attribute drivers_autoprobe_attr;
68 struct bus_attribute drivers_probe_attr;
52 69
53 int (*match)(struct device * dev, struct device_driver * drv); 70 int (*match)(struct device * dev, struct device_driver * drv);
54 int (*uevent)(struct device *dev, char **envp, 71 int (*uevent)(struct device *dev, char **envp,
@@ -61,6 +78,8 @@ struct bus_type {
61 int (*suspend_late)(struct device * dev, pm_message_t state); 78 int (*suspend_late)(struct device * dev, pm_message_t state);
62 int (*resume_early)(struct device * dev); 79 int (*resume_early)(struct device * dev);
63 int (*resume)(struct device * dev); 80 int (*resume)(struct device * dev);
81
82 unsigned int drivers_autoprobe:1;
64}; 83};
65 84
66extern int __must_check bus_register(struct bus_type * bus); 85extern int __must_check bus_register(struct bus_type * bus);
@@ -102,21 +121,6 @@ extern int bus_unregister_notifier(struct bus_type *bus,
102#define BUS_NOTIFY_UNBIND_DRIVER 0x00000004 /* driver about to be 121#define BUS_NOTIFY_UNBIND_DRIVER 0x00000004 /* driver about to be
103 unbound */ 122 unbound */
104 123
105/* sysfs interface for exporting bus attributes */
106
107struct bus_attribute {
108 struct attribute attr;
109 ssize_t (*show)(struct bus_type *, char * buf);
110 ssize_t (*store)(struct bus_type *, const char * buf, size_t count);
111};
112
113#define BUS_ATTR(_name,_mode,_show,_store) \
114struct bus_attribute bus_attr_##_name = __ATTR(_name,_mode,_show,_store)
115
116extern int __must_check bus_create_file(struct bus_type *,
117 struct bus_attribute *);
118extern void bus_remove_file(struct bus_type *, struct bus_attribute *);
119
120struct device_driver { 124struct device_driver {
121 const char * name; 125 const char * name;
122 struct bus_type * bus; 126 struct bus_type * bus;