24 lines
		
	
	
		
			443 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			443 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <linux/dma-mapping.h>
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| 
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| /* Set this to 1 if there is a HW IOMMU in the system */
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| int iommu_detected __read_mostly;
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| 
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| struct dma_map_ops *dma_ops;
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| EXPORT_SYMBOL(dma_ops);
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| 
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| #define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
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| 
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| static int __init dma_init(void)
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| {
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| 	dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
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| 
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| 	return 0;
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| }
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| fs_initcall(dma_init);
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| 
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| struct dma_map_ops *dma_get_ops(struct device *dev)
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| {
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| 	return dma_ops;
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| }
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| EXPORT_SYMBOL(dma_get_ops);
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