1 files changed, 0 insertions, 38 deletions
diff --git a/arch/riscv/include/asm/dma-mapping.h b/arch/riscv/include/asm/dma-mapping.h
deleted file mode 100644
index 3d930c9..0000000
--- a/arch/riscv/include/asm/dma-mapping.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (c) 2018 Western Digital Corporation or its affiliates.
- *
- * Authors:
- *   Anup Patel <anup.patel@wdc.com>
- */
-
-#ifndef __ASM_RISCV_DMA_MAPPING_H
-#define __ASM_RISCV_DMA_MAPPING_H
-
-#include <linux/dma-direction.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);
-	return (void *)*handle;
-}
-
-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)
-{
-	return (unsigned long)vaddr;
-}
-
-static inline void dma_unmap_single(volatile void *vaddr, size_t len,
-				    unsigned long paddr)
-{
-}
-
-#endif /* __ASM_RISCV_DMA_MAPPING_H */