xref: /linux/arch/mips/loongson2ef/fuloong-2e/dma.c (revision 5ceda74093a5c1c3f42a02b894df031f3bbc9af1)
1e905086eSChristoph Hellwig // SPDX-License-Identifier: GPL-2.0
2e905086eSChristoph Hellwig #include <linux/dma-direct.h>
3e905086eSChristoph Hellwig 
45ceda740SChristoph Hellwig dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
5e905086eSChristoph Hellwig {
6e905086eSChristoph Hellwig 	return paddr | 0x80000000;
7e905086eSChristoph Hellwig }
8e905086eSChristoph Hellwig 
97bc5c428SChristoph Hellwig phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dma_addr)
10e905086eSChristoph Hellwig {
11e905086eSChristoph Hellwig 	return dma_addr & 0x7fffffff;
12e905086eSChristoph Hellwig }
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