[PATCH v5 0/2] Add Loongson1 dmaengine driver

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Add DMA driver and dt-binding document for Loongson1 SoCs.

V4 -> V5:
   Add the dt-binding document
   Add DT support
   Use DT information instead of platform data
   Use chan_id of struct dma_chan instead of own id
   Use of_dma_xlate_by_chan_id() instead of ls1x_dma_filter()
   Update the author information to my official name
V3 -> V4:
   Use dma_slave_map to find the proper channel.
   Explicitly call devm_request_irq() and tasklet_kill().
   Fix namespace issue.
   Some minor fixes and cleanups.
V2 -> V3:
   Rename ls1x_dma_filter_fn to ls1x_dma_filter.
V1 -> V2:
   Change the config from 'DMA_LOONGSON1' to 'LOONGSON1_DMA',
   and rearrange it in alphabetical order in Kconfig and Makefile.
   Fix comment style.

Keguang Zhang (2):
  dt-bindings: dma: Add Loongson-1 DMA
  dmaengine: Loongson1: Add Loongson1 dmaengine driver

 .../bindings/dma/loongson,ls1x-dma.yaml       |  64 +++
 drivers/dma/Kconfig                           |   9 +
 drivers/dma/Makefile                          |   1 +
 drivers/dma/loongson1-dma.c                   | 492 ++++++++++++++++++
 4 files changed, 566 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/loongson,ls1x-dma.yaml
 create mode 100644 drivers/dma/loongson1-dma.c

base-commit: 719136e5c24768ebdf80b9daa53facebbdd377c3

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