Thread (13 messages) 13 messages, 4 authors, 2021-11-22

Re: [PATCH 0/3] Add support for MEMCPY_SG transfers

From: Michal Simek <hidden>
Date: 2021-11-02 10:35:06
Also in: dmaengine

+Radhey,


On 11/1/21 19:08, Adrian Larumbe wrote:
Bring back dmaengine API support for scatter-gather memcpy's.

Changes in patch v2:
   * Expanded API function documentation to elaborate on its semantics,
     limitations and corner case behaviour.
   * Broke the patch series into three different ones: documentation, core
     API change and consumer driver

v1 - https://lore.kernel.org/dmaengine/20210706234338.7696-1-adrian.martinezlarumbe@imgtec.com (local)

Adrian Larumbe (3):
   dmaengine: Add documentation for new memcpy scatter-gather function
   dmaengine: Add core function and capability check for DMA_MEMCPY_SG
   dmaengine: Add consumer for the new DMA_MEMCPY_SG API function.

  .../driver-api/dmaengine/provider.rst         |  23 ++++
  drivers/dma/dmaengine.c                       |   7 +
  drivers/dma/xilinx/xilinx_dma.c               | 122 ++++++++++++++++++
  include/linux/dmaengine.h                     |  20 +++
  4 files changed, 172 insertions(+)


base-commit: e0674853943287669a82d1ffe09a700944615978


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