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[v7,0/9] iio: add new backend framework

Message ID 20240123-iio-backend-v7-0-1bff236b8693@analog.com
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Series iio: add new backend framework | expand

Message

Nuno Sa via B4 Relay Jan. 23, 2024, 3:14 p.m. UTC 
v1:
 https://lore.kernel.org/linux-iio/20231204144925.4fe9922f@jic23-huawei/T/#m222f5175273b81dbfe40b7f0daffcdc67d6cb8ff

v2:
 https://lore.kernel.org/r/20231208-dev-iio-backend-v2-0-5450951895e1@analog.com

v3:
 https://lore.kernel.org/linux-iio/20231213-dev-iio-backend-v3-0-bb9f12a5c6dc@analog.com/

v4:
 https://lore.kernel.org/r/20231220-iio-backend-v4-0-998e9148b692@analog.com

v5:
 https://lore.kernel.org/r/20240112-iio-backend-v5-0-bdecad041ab4@analog.com

v6:
 https://lore.kernel.org/r/20240119-iio-backend-v6-0-189536c35a05@analog.com

Changes in v7:
 - Patch 1
  * New patch.
 - Patch 3
  * Added Rob's tag.
 - Patch 5
  * Renamed '#io-backends-cells' -> '#io-backend-cells'.
 - Patch 8
  * Added a statement in the commit message about the ABI breakage;
  * Used local info variables in a couple of forgotten places.

Rob, I was thinking in sending a different patch for the io-channels fix
but then I changed my mind and included it in this series as it is then easier
to apply the io-backends patch on top of it. If you prefer for me to
send that patch alone, I'll do so.

Keeping the block diagram  so we don't have to follow links
to check one of the typical setups.

                                           -------------------------------------------------------
 ------------------                        | -----------         ------------      -------  FPGA |
 |     ADC        |------------------------| | AXI ADC |---------| DMA CORE |------| RAM |       |
 | (Frontend/IIO) | Serial Data (eg: LVDS) | |(backend)|---------|          |------|     |       |
 |                |------------------------| -----------         ------------      -------       |
 ------------------                        -------------------------------------------------------

---
Nuno Sa (8):
      of: property: fix typo in io-channels
      dt-bindings: adc: ad9467: add new io-backend property
      dt-bindings: adc: axi-adc: update bindings for backend framework
      driver: core: allow modifying device_links flags
      iio: buffer-dmaengine: export buffer alloc and free functions
      iio: add the IIO backend framework
      iio: adc: ad9467: convert to backend framework
      iio: adc: adi-axi-adc: move to backend framework

Olivier Moysan (1):
      of: property: add device link support for io-backends

 .../devicetree/bindings/iio/adc/adi,ad9467.yaml    |   4 +
 .../devicetree/bindings/iio/adc/adi,axi-adc.yaml   |   8 +-
 MAINTAINERS                                        |   8 +
 drivers/base/core.c                                |  14 +-
 drivers/iio/Kconfig                                |   9 +
 drivers/iio/Makefile                               |   1 +
 drivers/iio/adc/Kconfig                            |   4 +-
 drivers/iio/adc/ad9467.c                           | 268 +++++++++-----
 drivers/iio/adc/adi-axi-adc.c                      | 383 +++++--------------
 drivers/iio/buffer/industrialio-buffer-dmaengine.c |   8 +-
 drivers/iio/industrialio-backend.c                 | 412 +++++++++++++++++++++
 drivers/of/property.c                              |   4 +-
 include/linux/iio/adc/adi-axi-adc.h                |  68 ----
 include/linux/iio/backend.h                        |  72 ++++
 include/linux/iio/buffer-dmaengine.h               |   3 +
 15 files changed, 805 insertions(+), 461 deletions(-)
---
base-commit: 824adc9cc314be065db726e30fae876c87660775
change-id: 20231219-iio-backend-a3dc1a6a7a58
--

Thanks!
- Nuno Sá