LXR linux/arch/ia64/kernel/dma-mapping.c

   1#include <linux/dma-mapping.h>
   2#include <linux/export.h>
   3
   4/* Set this to 1 if there is a HW IOMMU in the system */
   5int iommu_detected __read_mostly;
   6
   7struct dma_map_ops *dma_ops;
   8EXPORT_SYMBOL(dma_ops);
   9
  10#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
  11
  12static int __init dma_init(void)
  13{
  14        dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
  15
  16        return 0;
  17}
  18fs_initcall(dma_init);
  19
  20struct dma_map_ops *dma_get_ops(struct device *dev)
  21{
  22        return dma_ops;
  23}
  24EXPORT_SYMBOL(dma_get_ops);
  25