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Check if the device is marked as dma-coherent in the FDT, and if so, let

Description

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

Details

Committed
cognetApr 26 2017, 4:13 PM
Reviewer
andrew
Parents
rS317440: MFC r316530, r316535
Branches
Unknown
Tags
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