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-rw-r--r--include/linux/iio/iio-opaque.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/iio/iio-opaque.h b/include/linux/iio/iio-opaque.h
index d1f8b30a7c8b..5aec3945555b 100644
--- a/include/linux/iio/iio-opaque.h
+++ b/include/linux/iio/iio-opaque.h
@@ -11,6 +11,7 @@
* checked by device drivers but should be considered
* read-only as this is a core internal bit
* @driver_module: used to make it harder to undercut users
+ * @mlock: lock used to prevent simultaneous device state changes
* @mlock_key: lockdep class for iio_dev lock
* @info_exist_lock: lock to prevent use during removal
* @trig_readonly: mark the current trigger immutable
@@ -43,6 +44,7 @@ struct iio_dev_opaque {
int currentmode;
int id;
struct module *driver_module;
+ struct mutex mlock;
struct lock_class_key mlock_key;
struct mutex info_exist_lock;
bool trig_readonly;