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Merge tag 'dma-mapping-4.15' of git://git.infradead.org/users/hch/dma-mapping

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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
This commit is contained in:
Linus Torvalds
2017-11-14 16:54:12 -08:00
parent 23c258763b c9eb6172c3
commit e37e0ee019
42 changed files with 71 additions and 250 deletions
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5
arch/m32r/include/asm/dma-mapping.h
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@@ -14,11 +14,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
return &dma_noop_ops;
}
static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction)
{
}
static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
{
if (!dev->dma_mask)