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Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h19
1 files changed, 14 insertions, 5 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index adfcabcba8a1..6717adee33f0 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -6,7 +6,7 @@
* Copyright (c) 2004-2009 Greg Kroah-Hartman <gregkh@suse.de>
* Copyright (c) 2008-2009 Novell Inc.
*
- * See Documentation/driver-model/ for more information.
+ * See Documentation/driver-api/driver-model/ for more information.
*/
#ifndef _DEVICE_H_
@@ -164,11 +164,13 @@ void subsys_dev_iter_init(struct subsys_dev_iter *iter,
struct device *subsys_dev_iter_next(struct subsys_dev_iter *iter);
void subsys_dev_iter_exit(struct subsys_dev_iter *iter);
+int device_match_of_node(struct device *dev, const void *np);
+
int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data,
int (*fn)(struct device *dev, void *data));
struct device *bus_find_device(struct bus_type *bus, struct device *start,
- void *data,
- int (*match)(struct device *dev, void *data));
+ const void *data,
+ int (*match)(struct device *dev, const void *data));
struct device *bus_find_device_by_name(struct bus_type *bus,
struct device *start,
const char *name);
@@ -337,11 +339,12 @@ extern int __must_check driver_for_each_device(struct device_driver *drv,
int (*fn)(struct device *dev,
void *));
struct device *driver_find_device(struct device_driver *drv,
- struct device *start, void *data,
- int (*match)(struct device *dev, void *data));
+ struct device *start, const void *data,
+ int (*match)(struct device *dev, const void *data));
void driver_deferred_probe_add(struct device *dev);
int driver_deferred_probe_check_state(struct device *dev);
+int driver_deferred_probe_check_state_continue(struct device *dev);
/**
* struct subsys_interface - interfaces to device functions
@@ -912,6 +915,8 @@ struct dev_links_info {
* This identifies the device type and carries type-specific
* information.
* @mutex: Mutex to synchronize calls to its driver.
+ * @lockdep_mutex: An optional debug lock that a subsystem can use as a
+ * peer lock to gain localized lockdep coverage of the device_lock.
* @bus: Type of bus device is on.
* @driver: Which driver has allocated this
* @platform_data: Platform data specific to the device.
@@ -995,6 +1000,9 @@ struct device {
core doesn't touch it */
void *driver_data; /* Driver data, set and get with
dev_set_drvdata/dev_get_drvdata */
+#ifdef CONFIG_PROVE_LOCKING
+ struct mutex lockdep_mutex;
+#endif
struct mutex mutex; /* mutex to synchronize calls to
* its driver.
*/
@@ -1380,6 +1388,7 @@ extern int (*platform_notify_remove)(struct device *dev);
*/
extern struct device *get_device(struct device *dev);
extern void put_device(struct device *dev);
+extern bool kill_device(struct device *dev);
#ifdef CONFIG_DEVTMPFS
extern int devtmpfs_create_node(struct device *dev);