diff options
| author | Nuno Sá <nuno.sa@analog.com> | 2022-10-12 17:16:20 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-11-23 19:44:00 +0000 |
| commit | 16afe125b53f88b855d2713c8ba253d905dcf3cc (patch) | |
| tree | 4f62505de7510d5194d1fd9c249ccae56db18005 /include/linux/iio/iio-opaque.h | |
| parent | 6b701cda3632c9cffaea6f79c5fe638800c8f7f1 (diff) | |
iio: core: move 'mlock' to 'struct iio_dev_opaque'
Now that there are no more users accessing 'mlock' directly, we can move
it to the iio_dev private structure. Hence, it's now explicit that new
driver's should not directly use this lock.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20221012151620.1725215-5-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'include/linux/iio/iio-opaque.h')
| -rw-r--r-- | include/linux/iio/iio-opaque.h | 2 |
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; |