diff options
Diffstat (limited to 'arch/unicore32/include')
| -rw-r--r-- | arch/unicore32/include/asm/cacheflush.h | 9 | ||||
| -rw-r--r-- | arch/unicore32/include/asm/dma-mapping.h | 22 |
2 files changed, 0 insertions, 31 deletions
diff --git a/arch/unicore32/include/asm/cacheflush.h b/arch/unicore32/include/asm/cacheflush.h index c0301e6c8b812..a5e08e2d5d6d0 100644 --- a/arch/unicore32/include/asm/cacheflush.h +++ b/arch/unicore32/include/asm/cacheflush.h @@ -102,15 +102,6 @@ extern void __cpuc_flush_dcache_area(void *, size_t); extern void __cpuc_flush_kern_dcache_area(void *addr, size_t size); /* - * These are private to the dma-mapping API. Do not use directly. - * Their sole purpose is to ensure that data held in the cache - * is visible to DMA, or data written by DMA to system memory is - * visible to the CPU. - */ -extern void __cpuc_dma_clean_range(unsigned long, unsigned long); -extern void __cpuc_dma_flush_range(unsigned long, unsigned long); - -/* * Copy user data from/to a page which is mapped into a different * processes address space. Really, we want to allow our "user * space" model to handle this. diff --git a/arch/unicore32/include/asm/dma-mapping.h b/arch/unicore32/include/asm/dma-mapping.h index 518ba5848dd6c..ac608c2f6af6a 100644 --- a/arch/unicore32/include/asm/dma-mapping.h +++ b/arch/unicore32/include/asm/dma-mapping.h @@ -18,9 +18,6 @@ #include <linux/scatterlist.h> #include <linux/swiotlb.h> -#include <asm/memory.h> -#include <asm/cacheflush.h> - extern const struct dma_map_ops swiotlb_dma_map_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) @@ -48,24 +45,5 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) static inline void dma_mark_clean(void *addr, size_t size) {} -static inline void dma_cache_sync(struct device *dev, void *vaddr, - size_t size, enum dma_data_direction direction) -{ - unsigned long start = (unsigned long)vaddr; - unsigned long end = start + size; - - switch (direction) { - case DMA_NONE: - BUG(); - case DMA_FROM_DEVICE: - case DMA_BIDIRECTIONAL: /* writeback and invalidate */ - __cpuc_dma_flush_range(start, end); - break; - case DMA_TO_DEVICE: /* writeback only */ - __cpuc_dma_clean_range(start, end); - break; - } -} - #endif /* __KERNEL__ */ #endif |