| // SPDX-License-Identifier: GPL-2.0 |
| #include <linux/dma-direct.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); |
| |
| void *arch_dma_alloc(struct device *dev, size_t size, |
| dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs) |
| { |
| return dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs); |
| } |
| |
| void arch_dma_free(struct device *dev, size_t size, void *cpu_addr, |
| dma_addr_t dma_addr, unsigned long attrs) |
| { |
| dma_direct_free_pages(dev, size, cpu_addr, dma_addr, attrs); |
| } |
