xref: /openbmc/linux/arch/ia64/kernel/dma-mapping.c (revision b6dcefde)
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);
24