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author | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 15:30:25 +0800 |
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committer | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 15:30:25 +0800 |
commit | 1de6c9a59765f804ba40ac69fb12220e43734115 (patch) | |
tree | b89b9cdae627a83e5fcefbeda958ebe96d0e39e6 /arch/nios2/include/asm/dma-mapping.h | |
parent | 48a0dd2f45b7af6756af8a84b10c39d1a896f25a (diff) | |
download | uext4-1de6c9a59765f804ba40ac69fb12220e43734115.tar.xz |
kill dma-mapping.h
Diffstat (limited to 'arch/nios2/include/asm/dma-mapping.h')
-rw-r--r-- | arch/nios2/include/asm/dma-mapping.h | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/arch/nios2/include/asm/dma-mapping.h b/arch/nios2/include/asm/dma-mapping.h deleted file mode 100644 index 65f67bc..0000000 --- a/arch/nios2/include/asm/dma-mapping.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef __ASM_NIOS2_DMA_MAPPING_H -#define __ASM_NIOS2_DMA_MAPPING_H - -#include <memalign.h> -#include <asm/io.h> - -/* - * dma_alloc_coherent() return cache-line aligned allocation which is mapped - * to uncached io region. - */ -static inline void *dma_alloc_coherent(size_t len, unsigned long *handle) -{ - unsigned long addr = (unsigned long)malloc_cache_aligned(len); - - if (!addr) - return NULL; - - invalidate_dcache_range(addr, addr + len); - if (handle) - *handle = addr; - - return map_physmem(addr, len, MAP_NOCACHE); -} -#endif /* __ASM_NIOS2_DMA_MAPPING_H */ |