• Linus Torvalds's avatar
    Merge tag 'dma-mapping-4.15' of git://git.infradead.org/users/hch/dma-mapping · e37e0ee0
    Linus Torvalds authored
    Pull dma-mapping updates from Christoph Hellwig:
    
     - turn dma_cache_sync into a dma_map_ops instance and remove
       implementation that purely are dead because the architecture doesn't
       support noncoherent allocations
    
     - add a flag for busses that need DMA configuration (Robin Murphy)
    
    * tag 'dma-mapping-4.15' of git://git.infradead.org/users/hch/dma-mapping:
      dma-mapping: turn dma_cache_sync into a dma_map_ops method
      sh: make dma_cache_sync a no-op
      xtensa: make dma_cache_sync a no-op
      unicore32: make dma_cache_sync a no-op
      powerpc: make dma_cache_sync a no-op
      mn10300: make dma_cache_sync a no-op
      microblaze: make dma_cache_sync a no-op
      ia64: make dma_cache_sync a no-op
      frv: make dma_cache_sync a no-op
      x86: make dma_cache_sync a no-op
      floppy: consolidate the dummy fd_cacheflush definition
      drivers: flag buses which demand DMA configuration
    e37e0ee0
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