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// SPDX-License-Identifier: GPL-2.0
#include <linux/dma-mapping.h>
#include <linux/swiotlb.h>
#include <linux/export.h>
/* Set this to 1 if there is a HW IOMMU in the system */
int iommu_detected __read_mostly;
const struct dma_map_ops *dma_ops;
EXPORT_SYMBOL(dma_ops);
const struct dma_map_ops *dma_get_ops(struct device *dev)
{
return dma_ops;
}
EXPORT_SYMBOL(dma_get_ops);
#ifdef CONFIG_SWIOTLB
void __init swiotlb_dma_init(void)
{
dma_ops = &swiotlb_dma_ops;
swiotlb_init(1);
}
#endif
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