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| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-10-04 12:07:00 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-10-12 12:05:36 +0100 |
| commit | d2f0a48f36aea38e0a5c4b439d5d9c96aecabad9 (patch) | |
| tree | 2bc65afab0101f23f9e31e44500b858444c6d100 /drivers/iio/industrialio-core.c | |
| parent | f18e7a068a0a31250cdb251810f8f6224931c3f5 (diff) | |
| download | lwn-d2f0a48f36aea38e0a5c4b439d5d9c96aecabad9.tar.gz lwn-d2f0a48f36aea38e0a5c4b439d5d9c96aecabad9.zip | |
iio: Wakeup poll and blocking reads when the device is unregistered
Once the device has been unregistered there won't be any new data no matter how
long a userspace application waits, so we might as well wake them up and let
them know.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/industrialio-core.c')
| -rw-r--r-- | drivers/iio/industrialio-core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index a019a7b424cb..dc24a9b3d325 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -1139,6 +1139,10 @@ void iio_device_unregister(struct iio_dev *indio_dev) iio_disable_all_buffers(indio_dev); indio_dev->info = NULL; + + iio_device_wakeup_eventset(indio_dev); + iio_buffer_wakeup_poll(indio_dev); + mutex_unlock(&indio_dev->info_exist_lock); } EXPORT_SYMBOL(iio_device_unregister); |