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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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1
arch/sparc/include/asm/floppy_32.h
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@@ -71,7 +71,6 @@ static struct sun_floppy_ops sun_fdops;
#define fd_set_dma_count(count) sun_fd_set_dma_count(count)
#define fd_enable_irq() /* nothing... */
#define fd_disable_irq() /* nothing... */
#define fd_cacheflush(addr, size) /* nothing... */
#define fd_request_irq() sun_fd_request_irq()
#define fd_free_irq() /* nothing... */
#if 0 /* P3: added by Alain, these cause a MMU corruption. 19960524 XXX */