dmaengine: xilinx_dma: Introduce helper macro for preparing dma address

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This patch introduces the xilinx_prep_dma_addr_t macro which prepares
dma_addr_t from hardware buffer descriptor LSB and MSB fields. It will
be used in simple dma 64-bit programming sequence.

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Reviewed-by: Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Radhey Shyam Pandey 2018-09-29 11:17:59 -06:00 • committed by Vinod Koul

parent 91b438286e

commit 4e47d24a90

1 changed files with 2 additions and 0 deletions

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drivers/dma/xilinx/xilinx_dma.c

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