1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/dma-direct.h>
4 dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
6 return paddr | 0x80000000;
9 phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr)
11 #if defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT)
12 if (dma_addr > 0x8fffffff)
14 return dma_addr & 0x0fffffff;
16 return dma_addr & 0x7fffffff;