1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/dma-direct.h>
3
4 dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
5 {
6 return paddr | 0x80000000;
7 }
8
9 phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dma_addr)
10 {
11 return dma_addr & 0x7fffffff;
12 }
13
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