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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 |
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