dma-mapping: warn when there is no coherent_dma_mask
These days all devices should have a DMA coherent mask, and most dma_ops implementations rely on that fact. But just to be sure add an assert to ring the warning bell if that is not the case. Signed-off-by:Christoph Hellwig <hch@lst.de> Reviewed-by:
Vladimir Murzin <vladimir.murzin@arm.com> Reviewed-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent
4b1b62b6
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