[PATCH v3 0/2] v4l2-async: add subnotifier registration for subdevices

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Hi,

This series enables incremental async find and bind of subdevices,
please se patch 2/2 for a more detailed description.

This is tested on Renesas H3 and M3-W together with the Renesas CSI-2
and VIN Gen3 driver (posted separately). It is based on top of the media-tree.

* Changes since v2
- Fixed lots of spelling mistakes, thanks Hans!
- Used a goto instead if state variable when restarting iteration over 
  subdev list as suggested by Sakari. Thank you it's much easier read 
  now.
- Added Acked-by from Sakari and Hans, thanks!
- Rebased to latest media-tree.

* Changes since v1:
- Added a pre-patch which adds an error check which was previously in
  the new incremental async code but is more useful on its own.
- Added documentation to Documentation/media/kapi/v4l2-subdev.rst.
- Fixed data type of bool variable.
- Added call to lockdep_assert_held(), thanks Sakari.
- Fixed commit messages typo, thanks Sakari.


Niklas Söderlund (2):
  v4l: async: check for v4l2_dev in v4l2_async_notifier_register()
  v4l: async: add subnotifier registration for subdevices

 Documentation/media/kapi/v4l2-subdev.rst | 20 ++++++++++
 drivers/media/v4l2-core/v4l2-async.c     | 68 +++++++++++++++++++++++++++-----
 include/media/v4l2-async.h               | 22 +++++++++++
 3 files changed, 100 insertions(+), 10 deletions(-)

-- 
2.13.1




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