xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/parisc/include/asm/dma-mapping.h
View File

@@ -33,14 +33,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
return hppa_dma_ops;
}
static inline void
dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction)
{
if (hppa_dma_ops->sync_single_for_cpu)
flush_kernel_dcache_range((unsigned long)vaddr, size);
}
static inline void *
parisc_walk_tree(struct device *dev)
{