Olivier Houchard b05e505d6d Check if the device is marked as dma-coherent in the FDT, and if so, let
busdma know, so that on architectures where dma isn't always coherent, we
know we don't have to write-back/invalidates cachelines on DMA operations.

Reviewed by:	andrew, mav
2017-04-26 16:13:22 +00:00
..
2017-04-18 08:04:15 +00:00