dmaengine: imx-sdma: Add device to device support

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This patch adds DEV_TO_DEV support for i.MX SDMA driver to support data
transfer between two peripheral FIFOs.
The per_2_per script requires two peripheral addresses and two DMA
requests, and it need to check the src addr and dst addr is in the SPBA
bus space or in the AIPS bus space.

Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

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Shengjiu Wang 2015-07-10 17:08:16 +08:00 • committed by Vinod Koul

parent 4d9efdfce7

commit 8391ecf465

1 changed files with 140 additions and 12 deletions

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drivers/dma/imx-sdma.c

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