1// SPDX-License-Identifier: GPL-2.0
2#include <linux/dma-map-ops.h>
3#include <linux/export.h>
4
5/* Set this to 1 if there is a HW IOMMU in the system */
6int iommu_detected __read_mostly;
7
8const struct dma_map_ops *dma_ops;
9EXPORT_SYMBOL(dma_ops);

 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);