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

Michal Simek
2021-11-02T10:33:35Z

+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
>
> 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
>