dmaengine: dw-axi-dmac: support parallel memory <--> peripheral transfers

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Added support for multiple DMA_MEM_TO_DEV, DMA_DEV_TO_MEM transfers in
parallel. This is required for peripherals using DMA for transmit and
receive operations at the same time. APB slot number needs to be
programmed in channel hardware handshaking interface

Signed-off-by: Pandith N <pandith.n@intel.com>
Tested-by: Pan Kris <kris.pan@intel.com>
Link: https://lore.kernel.org/r/20210802055454.15192-3-pandith.n@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Pandith N 2021-08-02 11:24:53 +05:30 • committed by Vinod Koul

parent 32286e2793

commit f95f3b5351

2 changed files with 6 additions and 0 deletions

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4

drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c

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2

drivers/dma/dw-axi-dmac/dw-axi-dmac.h

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