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Diffstat (limited to 'arch/riscv/include/asm/dma-mapping.h')
-rw-r--r--arch/riscv/include/asm/dma-mapping.h29
1 files changed, 1 insertions, 28 deletions
diff --git a/arch/riscv/include/asm/dma-mapping.h b/arch/riscv/include/asm/dma-mapping.h
index 6cc3946959..6ecadab41c 100644
--- a/arch/riscv/include/asm/dma-mapping.h
+++ b/arch/riscv/include/asm/dma-mapping.h
@@ -10,13 +10,12 @@
#define __ASM_RISCV_DMA_MAPPING_H
#include <common.h>
+#include <linux/types.h>
#include <asm/cache.h>
#include <cpu_func.h>
#include <linux/dma-direction.h>
#include <malloc.h>
-#define dma_mapping_error(x, y) 0
-
static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
{
*handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len);
@@ -28,30 +27,4 @@ static inline void dma_free_coherent(void *addr)
free(addr);
}
-static inline unsigned long dma_map_single(volatile void *vaddr, size_t len,
- enum dma_data_direction dir)
-{
- unsigned long addr = (unsigned long)vaddr;
-
- len = ALIGN(len, ARCH_DMA_MINALIGN);
-
- if (dir == DMA_FROM_DEVICE)
- invalidate_dcache_range(addr, addr + len);
- else
- flush_dcache_range(addr, addr + len);
-
- return addr;
-}
-
-static inline void dma_unmap_single(volatile void *vaddr, size_t len,
- enum dma_data_direction dir)
-{
- unsigned long addr = (unsigned long)vaddr;
-
- len = ALIGN(len, ARCH_DMA_MINALIGN);
-
- if (dir != DMA_TO_DEVICE)
- invalidate_dcache_range(addr, addr + len);
-}
-
#endif /* __ASM_RISCV_DMA_MAPPING_H */