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authorIngo Molnar <mingo@kernel.org>2019-09-16 14:04:28 +0200
committerIngo Molnar <mingo@kernel.org>2019-09-16 14:05:04 +0200
commit563c4f85f9f0d63b712081d5b4522152cdcb8b6b (patch)
tree92351ab2d60d5fd7ce5745d21c9a60ce6d46c5dd /include/linux/device.h
parent4adcdcea717cb2d8436bef00dd689aa5bc76f11b (diff)
parent09c7e8b21d67c3c78ab9701dbc0fb1e9f14a0ba5 (diff)
Merge branch 'sched/rt' into sched/core, to pick up -rt changes
Pick up the first couple of patches working towards PREEMPT_RT. 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);