tree b43a2f09bf1fa86264cc01c42f0650832c6619f0
parent 17c2f540863a6c0faa3f0ede3c785d9427bcaf80
parent cb216b84d6ea24fa10f1e7aac35de77246841041
author Linus Torvalds <torvalds@linux-foundation.org> 1543166680 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1543166680 -0800
mergetag object cb216b84d6ea24fa10f1e7aac35de77246841041
 type commit
 tag dma-mapping-4.20-3
 tagger Christoph Hellwig <hch@lst.de> 1543134650 +0100
 
 Two dma-direct / swiotlb regressions fixes
 
  - 0 is a valid physical address on some arm boards, we can't use
    0 as the error value
  - don't try to cache flush the error return value (no matter what it is)
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Merge tag 'dma-mapping-4.20-3' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fixes from Christoph Hellwig:
 "Two dma-direct / swiotlb regressions fixes:

   - zero is a valid physical address on some arm boards, we can't use
     it as the error value

   - don't try to cache flush the error return value (no matter what it
     is)"

* tag 'dma-mapping-4.20-3' of git://git.infradead.org/users/hch/dma-mapping:
  swiotlb: Skip cache maintenance on map error
  dma-direct: Make DIRECT_MAPPING_ERROR viable for SWIOTLB