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authorIngo Molnar <mingo@kernel.org>2019-09-03 09:23:41 +0200
committerIngo Molnar <mingo@kernel.org>2019-09-03 09:23:41 +0200
commitae1ad26388228048db6a5f1056bd569ed2bbc4ec (patch)
tree223f50677aa00eb6f2a6529099a1005c7e43c071 /include/linux/device.h
parentc84b82dd3e593db217f23c60f7edae02c76a3c4c (diff)
parent089cf7f6ecb266b6a4164919a2e69bd2f938374a (diff)
Merge tag 'v5.3-rc7' into x86/mm, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index c330b75c6c57..6717adee33f0 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -915,6 +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.
@@ -998,6 +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.
*/
@@ -1383,6 +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);