arch/arc/include/asm/dma-mapping.h

   1 /*
   2  * DMA Mapping glue for ARC
   3  *
   4  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #ifndef ASM_ARC_DMA_MAPPING_H
  12 #define ASM_ARC_DMA_MAPPING_H
  13
  14 #ifndef CONFIG_ARC_PLAT_NEEDS_PHYS_TO_DMA
  15 #define plat_dma_to_phys(dev, dma_handle) ((phys_addr_t)(dma_handle))
  16 #define plat_phys_to_dma(dev, paddr) ((dma_addr_t)(paddr))
  17 #else
  18 #include <plat/dma.h>
  19 #endif
  20
  21 extern struct dma_map_ops arc_dma_ops;
  22
  23 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
  24 {
  25         return &arc_dma_ops;
  26 }
  27
  28 #endif