Christoph Hellwig 887712a0a5 x86/calgary: remove the mapping_error dma_map_ops method
Return DMA_MAPPING_ERROR instead of the magic bad_dma_addr on a dma
mapping failure and let the core dma-mapping code handle the rest.

Remove the magic EMERGENCY_PAGES that the bad_dma_addr gets redirected to.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-12-06 06:56:46 -08:00
..
2018-11-01 11:46:27 -07:00
2018-10-31 08:54:16 -07:00
2018-10-31 08:54:16 -07:00