platform-dma.c 770 B

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  1. /*
  2. * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
  3. *
  4. * This program is free software; you can redistribute it and/or modify it under
  5. * the terms of the GNU General Public License version 2 as published by the
  6. * Free Software Foundation.
  7. */
  8. #include <linux/compiler.h>
  9. #include <linux/dma-mapping.h>
  10. #include <linux/err.h>
  11. #include <linux/init.h>
  12. #include <mach/mx23.h>
  13. #include <mach/mx28.h>
  14. #include <mach/devices-common.h>
  15. struct platform_device *__init mxs_add_dma(const char *devid,
  16. resource_size_t base)
  17. {
  18. struct resource res[] = {
  19. {
  20. .start = base,
  21. .end = base + SZ_8K - 1,
  22. .flags = IORESOURCE_MEM,
  23. }
  24. };
  25. return mxs_add_platform_device_dmamask(devid, -1,
  26. res, ARRAY_SIZE(res), NULL, 0,
  27. DMA_BIT_MASK(32));
  28. }