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| author | Max Kellermann <max.kellermann@gmail.com> | 2016-08-09 18:32:41 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-11-18 15:09:41 -0200 |
| commit | d812b3caea394a6c60e8d6a4ad46b941690435e3 (patch) | |
| tree | e1bd1df5d1fc66f3d086b777ca2f6f5d9a48a07b /drivers/media/dvb-core/dvb_frontend.h | |
| parent | 967d8e8f4caca396e6c4c8a8cf18765aa16cfdaf (diff) | |
| download | lwn-d812b3caea394a6c60e8d6a4ad46b941690435e3.tar.gz lwn-d812b3caea394a6c60e8d6a4ad46b941690435e3.zip | |
[media] dvb_frontend: add "detach" callback
Prepare for making "release" asynchronous (via kref). Some operations
may need to be run synchronously in dvb_frontend_detach(), and that's
why we need a "detach" callback.
Signed-off-by: Max Kellermann <max.kellermann@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/dvb-core/dvb_frontend.h')
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h index 5bfb16bf188f..d5355718f365 100644 --- a/drivers/media/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb-core/dvb_frontend.h @@ -330,7 +330,11 @@ struct dtv_frontend_properties; * * @info: embedded struct dvb_tuner_info with tuner properties * @delsys: Delivery systems supported by the frontend - * @release: callback function called when frontend is dettached. + * @detach: callback function called when frontend is detached. + * drivers should clean up, but not yet free the struct + * dvb_frontend allocation. + * @release: callback function called when frontend is ready to be + * freed. * drivers should free any allocated memory. * @release_sec: callback function requesting that the Satelite Equipment * Control (SEC) driver to release and free any memory @@ -415,6 +419,7 @@ struct dvb_frontend_ops { u8 delsys[MAX_DELSYS]; + void (*detach)(struct dvb_frontend *fe); void (*release)(struct dvb_frontend* fe); void (*release_sec)(struct dvb_frontend* fe); |