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[PATCH v1 0/8] Append several fixes and improvements in STM32 DMA

This patchset appends several fixes and some improvements for STM32 DMAv2.
This includes:
        * Introduce DMA features bitfield
        * Threshold manages with bitfield feature
        * Improve memory burst management
        * Improve DMA IRQ status handling
        * Fix max items per transfer to match FIFO Size
        * Properly mask irq bits to avoid overlaping
        * Fix incomplete configuration in cyclic mode
        * Fix typo and reported checkpatch warnings

  Version history:
        * Initial

Pierre-Yves MORDRET (8):
  dt-bindings: stm32-dma: introduce DMA features bitfield
  dmaengine: stm32-dma: threshold manages with bitfield feature
  dmaengine: stm32-dma: Improve memory burst management
  dmaengine: stm32-dma: fix DMA IRQ status handling
  dmaengine: stm32-dma: fix max items per transfer
  dmaengine: stm32-dma: properly mask irq bits
  dmaengine: stm32-dma: fix incomplete configuration in cyclic mode
  dmaengine: stm32-dma: fix typo and reported checkpatch warnings

 .../devicetree/bindings/dma/stm32-dma.txt          |   6 +-
 drivers/dma/stm32-dma.c                            | 287 +++++++++++++++++----
 2 files changed, 243 insertions(+), 50 deletions(-)