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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2021-04-26 18:49:08 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-05-17 13:49:13 +0100
commitb804e2b76ac6d5559b99588e0190ac97b5597497 (patch)
tree96cf8d6f5c0d9fd065e5e5d8654937e8b2c673c6 /include/linux/iio/iio-opaque.h
parent62f4f36cdfcdbb961bbbeab15e6595dd391d2205 (diff)
iio: core: move @info_exist_lock to struct iio_dev_opaque
This lock is only of interest to the IIO core, so make it only visible there. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com> Link: https://lore.kernel.org/r/20210426174911.397061-7-jic23@kernel.org
Diffstat (limited to 'include/linux/iio/iio-opaque.h')
-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 02038fb2d291..538b4b5ef1a9 100644
--- a/include/linux/iio/iio-opaque.h
+++ b/include/linux/iio/iio-opaque.h
@@ -8,6 +8,7 @@
* @indio_dev: public industrial I/O device information
* @id: used to identify device internally
* @driver_module: used to make it harder to undercut users
+ * @info_exist_lock: lock to prevent use during removal
* @trig_readonly: mark the current trigger immutable
* @event_interface: event chrdevs associated with interrupt lines
* @attached_buffers: array of buffers statically attached by the driver
@@ -32,6 +33,7 @@ struct iio_dev_opaque {
struct iio_dev indio_dev;
int id;
struct module *driver_module;
+ struct mutex info_exist_lock;
bool trig_readonly;
struct iio_event_interface *event_interface;
struct iio_buffer **attached_buffers;