dma-mapping.h 1.2 KB

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  1. /*
  2. * DMA operations for the Hexagon architecture
  3. *
  4. * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
  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 and
  8. * only version 2 as published by the Free Software Foundation.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program; if not, write to the Free Software
  17. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  18. * 02110-1301, USA.
  19. */
  20. #ifndef _ASM_DMA_MAPPING_H
  21. #define _ASM_DMA_MAPPING_H
  22. #include <linux/types.h>
  23. #include <linux/cache.h>
  24. #include <linux/mm.h>
  25. #include <linux/scatterlist.h>
  26. #include <linux/dma-debug.h>
  27. #include <asm/io.h>
  28. struct device;
  29. extern const struct dma_map_ops *dma_ops;
  30. static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
  31. {
  32. return dma_ops;
  33. }
  34. #endif