2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
9 #ifndef __ASM_MACH_GENERIC_DMA_COHERENCE_H
10 #define __ASM_MACH_GENERIC_DMA_COHERENCE_H
14 static dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size)
16 return virt_to_phys(addr);
19 static dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page)
21 return page_to_phys(page);
24 static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
29 static void plat_unmap_dma_mem(dma_addr_t dma_addr)
33 static inline int plat_device_is_coherent(struct device *dev)
35 #ifdef CONFIG_DMA_COHERENT
38 #ifdef CONFIG_DMA_NONCOHERENT
43 #endif /* __ASM_MACH_GENERIC_DMA_COHERENCE_H */