Christoph Hellwig cf14be0b41 dma-direct: fix DMA_ATTR_NO_KERNEL_MAPPING
The new DMA_ATTR_NO_KERNEL_MAPPING needs to actually assign
a dma_addr to work.  Also skip it if the architecture needs
forced decryption handling, as that needs a kernel virtual
address.

Fixes: d98849aff879 (dma-direct: handle DMA_ATTR_NO_KERNEL_MAPPING in common code)
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
2019-08-10 19:52:45 +02:00
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