[PATCH v10 0/3] Add Amlogic general DMA

Add DMA driver and bindigns for the Amlogic SoCs.

Signed-off-by: Xianwei Zhao <[email protected]>
---
Changes in v10:
- Free dma memory in workqueue.
- Deal with zero len sg (not consume sg_link),and reset status to DMA_COMPLETE when terminal channel.
- Add desc for #dma-cells in dt-bindings.
- Link to v9: https://lore.kernel.org/r/[email protected]

Changes in v9:
- Use each transmission request sg_link mem instead of the loop mem get.
- Fix some hidden issues which reviewed by ai robot.
- Link to v8: https://lore.kernel.org/r/[email protected]

Changes in v8:
- Use kzalloc instead of kmalloc.
- Initialize the temporary variable and fix a spelling mistake.
- Link to v7: https://lore.kernel.org/r/[email protected]

Changes in v7:
- Take use vchan to support mltiple txns.
- Link to v6: https://lore.kernel.org/r/[email protected]

Changes in v6:
- Some minor modifications according to Frank's suggestion.
- Link to v5: https://lore.kernel.org/r/[email protected]

Changes in v5:
- Rename head file and rename macro definition.
- Rename the subject in [2/3] from "dma" to "dmaengine".
- Link to v4: https://lore.kernel.org/r/[email protected]

Changes in v4:
- Support split transfer when data len > MAX_LEN.
- When a module fails or exits, perform de-initialization.
- Some other minor modifications.
- Link to v3: https://lore.kernel.org/r/[email protected]

Changes in v3:
- Adjust the format of binding according to Frank's suggestion.
- Some code format modified according to Frank's suggestion.
- Support one prep_sg and one submit, drop multi prep_sg and one submit.
- Keep pre state when resume from pause status.
- Link to v2: https://lore.kernel.org/r/[email protected]

Changes in v2:
- Introduce what the DMA is used for in the A9 SoC.
- Some minor modifications were made according to Krzysztof's suggestions.
- Some modifications were made according to Neil's suggestions.
- Fix a build error.
- Link to v1: https://lore.kernel.org/r/[email protected]

---
Xianwei Zhao (3):
      dt-bindings: dma: Add Amlogic A9 SoC DMA
      dmaengine: amlogic: Add general DMA driver for A9
      MAINTAINERS: Add an entry for Amlogic DMA driver

 .../devicetree/bindings/dma/amlogic,a9-dma.yaml    |  68 ++
 MAINTAINERS                                        |   7 +
 drivers/dma/Kconfig                                |  10 +
 drivers/dma/Makefile                               |   1 +
 drivers/dma/amlogic-dma.c                          | 723 +++++++++++++++++++++
 include/dt-bindings/dma/amlogic,a9-dma.h           |   8 +
 6 files changed, 817 insertions(+)
---
base-commit: f53b2c30a192b35064be2584df7a800a8e6ac710
change-id: 20251215-amlogic-dma-79477d5cd264

Best regards,
-- 
Xianwei Zhao <[email protected]>



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