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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2015-10-30 11:00:37 +0300
committerVinod Koul <vinod.koul@intel.com>2015-11-30 12:39:16 +0300
commit0f73f3e85757091f40019b71077b41a717182b29 (patch)
tree4f07b7ba263757b20c8daaa3862f7ca8b8eacf1b /drivers/dma/mv_xor.h
parentec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e (diff)
downloadlinux-0f73f3e85757091f40019b71077b41a717182b29.tar.xz
dmaengine: ti-dma-crossbar: dra7: Support for reserving DMA event ranges
In eDMA the events are directly mapped to a DMA channel (for example DMA event 14 can only be handled by DMA channel 14). If the memcpy is enabled on the eDMA, there is a possibility that the crossbar driver would assign DMA event number already allocated in eDMA for memcpy. Furthermore the eDMA can be shared with DSP in which case the crossbar driver should also avoid mapping xbar events to DSP used event numbers (or channels). Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/mv_xor.h')
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