arch/ia64/kernel/dma-mapping.c

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