Commit | Line | Data |
---|---|---|
b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
68c60834 | 2 | #include <linux/dma-direct.h> |
bd3ff194 | 3 | #include <linux/export.h> |
4d9b977c | 4 | |
fb446727 FT |
5 | /* Set this to 1 if there is a HW IOMMU in the system */ |
6 | int iommu_detected __read_mostly; | |
7 | ||
5299709d | 8 | const struct dma_map_ops *dma_ops; |
4d9b977c | 9 | EXPORT_SYMBOL(dma_ops); |
c190ab0b | 10 | |
68c60834 CH |
11 | void *arch_dma_alloc(struct device *dev, size_t size, |
12 | dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs) | |
13 | { | |
14 | return dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs); | |
15 | } | |
16 | ||
17 | void arch_dma_free(struct device *dev, size_t size, void *cpu_addr, | |
18 | dma_addr_t dma_addr, unsigned long attrs) | |
19 | { | |
20 | dma_direct_free_pages(dev, size, cpu_addr, dma_addr, attrs); | |
21 | } |