aboutsummaryrefslogtreecommitdiff
path: root/include/linux/device.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h67
1 files changed, 34 insertions, 33 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index cf470459fa6..7b781a72b29 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -14,6 +14,7 @@
#include <linux/config.h>
#include <linux/ioport.h>
#include <linux/kobject.h>
+#include <linux/klist.h>
#include <linux/list.h>
#include <linux/types.h>
#include <linux/module.h>
@@ -44,14 +45,15 @@ struct device;
struct device_driver;
struct class;
struct class_device;
-struct class_simple;
struct bus_type {
- char * name;
+ const char * name;
struct subsystem subsys;
struct kset drivers;
struct kset devices;
+ struct klist klist_devices;
+ struct klist klist_drivers;
struct bus_attribute * bus_attrs;
struct device_attribute * dev_attrs;
@@ -98,17 +100,18 @@ extern int bus_create_file(struct bus_type *, struct bus_attribute *);
extern void bus_remove_file(struct bus_type *, struct bus_attribute *);
struct device_driver {
- char * name;
+ const char * name;
struct bus_type * bus;
struct completion unloaded;
struct kobject kobj;
- struct list_head devices;
+ struct klist klist_devices;
+ struct klist_node knode_bus;
- struct module * owner;
+ struct module * owner;
int (*probe) (struct device * dev);
- int (*remove) (struct device * dev);
+ int (*remove) (struct device * dev);
void (*shutdown) (struct device * dev);
int (*suspend) (struct device * dev, pm_message_t state, u32 level);
int (*resume) (struct device * dev, u32 level);
@@ -137,12 +140,16 @@ struct driver_attribute driver_attr_##_name = __ATTR(_name,_mode,_show,_store)
extern int driver_create_file(struct device_driver *, struct driver_attribute *);
extern void driver_remove_file(struct device_driver *, struct driver_attribute *);
+extern int driver_for_each_device(struct device_driver * drv, struct device * start,
+ void * data, int (*fn)(struct device *, void *));
+
/*
* device classes
*/
struct class {
- char * name;
+ const char * name;
+ struct module * owner;
struct subsystem subsys;
struct list_head children;
@@ -185,6 +192,7 @@ struct class_device {
struct kobject kobj;
struct class * class; /* required */
dev_t devt; /* dev_t, creates the sysfs "dev" */
+ struct class_device_attribute *devt_attr;
struct device * dev; /* not necessary, but nice to have */
void * class_data; /* class-specific data */
@@ -245,26 +253,28 @@ struct class_interface {
extern int class_interface_register(struct class_interface *);
extern void class_interface_unregister(struct class_interface *);
-/* interface for class simple stuff */
-extern struct class_simple *class_simple_create(struct module *owner, char *name);
-extern void class_simple_destroy(struct class_simple *cs);
-extern struct class_device *class_simple_device_add(struct class_simple *cs, dev_t dev, struct device *device, const char *fmt, ...)
- __attribute__((format(printf,4,5)));
-extern int class_simple_set_hotplug(struct class_simple *,
- int (*hotplug)(struct class_device *dev, char **envp, int num_envp, char *buffer, int buffer_size));
-extern void class_simple_device_remove(dev_t dev);
+extern struct class *class_create(struct module *owner, char *name);
+extern void class_destroy(struct class *cls);
+extern struct class_device *class_device_create(struct class *cls, dev_t devt,
+ struct device *device, char *fmt, ...)
+ __attribute__((format(printf,4,5)));
+extern void class_device_destroy(struct class *cls, dev_t devt);
struct device {
- struct list_head node; /* node in sibling list */
- struct list_head bus_list; /* node in bus's list */
- struct list_head driver_list;
- struct list_head children;
+ struct klist klist_children;
+ struct klist_node knode_parent; /* node in sibling list */
+ struct klist_node knode_driver;
+ struct klist_node knode_bus;
struct device * parent;
struct kobject kobj;
char bus_id[BUS_ID_SIZE]; /* position on parent bus */
+ struct semaphore sem; /* semaphore to synchronize calls to
+ * its driver.
+ */
+
struct bus_type * bus; /* type of bus device is on */
struct device_driver *driver; /* which driver has allocated this
device */
@@ -273,9 +283,6 @@ struct device {
BIOS data relevant to device) */
struct dev_pm_info power;
- u32 detach_state; /* State to enter when device is
- detached from its driver. */
-
u64 *dma_mask; /* dma mask (if dma'able device) */
u64 coherent_dma_mask;/* Like dma_mask, but for
alloc_coherent mappings as
@@ -291,12 +298,6 @@ struct device {
void (*release)(struct device * dev);
};
-static inline struct device *
-list_to_dev(struct list_head *node)
-{
- return list_entry(node, struct device, node);
-}
-
static inline void *
dev_get_drvdata (struct device *dev)
{
@@ -324,7 +325,6 @@ extern int device_for_each_child(struct device *, void *,
* Manual binding of a device to driver. See drivers/base/bus.c
* for information on use.
*/
-extern int driver_probe_device(struct device_driver * drv, struct device * dev);
extern void device_bind_driver(struct device * dev);
extern void device_release_driver(struct device * dev);
extern int device_attach(struct device * dev);
@@ -335,8 +335,10 @@ extern void driver_attach(struct device_driver * drv);
struct device_attribute {
struct attribute attr;
- ssize_t (*show)(struct device * dev, char * buf);
- ssize_t (*store)(struct device * dev, const char * buf, size_t count);
+ ssize_t (*show)(struct device *dev, struct device_attribute *attr,
+ char *buf);
+ ssize_t (*store)(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count);
};
#define DEVICE_ATTR(_name,_mode,_show,_store) \
@@ -363,13 +365,12 @@ extern int (*platform_notify_remove)(struct device * dev);
*/
extern struct device * get_device(struct device * dev);
extern void put_device(struct device * dev);
-extern struct device *device_find(const char *name, struct bus_type *bus);
/* drivers/base/platform.c */
struct platform_device {
- char * name;
+ const char * name;
u32 id;
struct device dev;
u32 num_resources;