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author | Ralf Baechle <ralf@linux-mips.org> | 2008-09-16 19:48:51 +0200 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 16:18:52 +0100 |
commit | 384740dc49ea651ba350704d13ff6be9976e37fe (patch) | |
tree | a6e80cad287ccae7a86d81bfa692fc96889c88ed /arch/mips/include/asm/mach-lemote/dma-coherence.h | |
parent | e8c7c482347574ecdd45c43e32c332d5fc2ece61 (diff) | |
download | op-kernel-dev-384740dc49ea651ba350704d13ff6be9976e37fe.zip op-kernel-dev-384740dc49ea651ba350704d13ff6be9976e37fe.tar.gz |
MIPS: Move headfiles to new location below arch/mips/include
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/mach-lemote/dma-coherence.h')
-rw-r--r-- | arch/mips/include/asm/mach-lemote/dma-coherence.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-lemote/dma-coherence.h b/arch/mips/include/asm/mach-lemote/dma-coherence.h new file mode 100644 index 0000000..7e91477 --- /dev/null +++ b/arch/mips/include/asm/mach-lemote/dma-coherence.h @@ -0,0 +1,42 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2006, 07 Ralf Baechle <ralf@linux-mips.org> + * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology + * Author: Fuxin Zhang, zhangfx@lemote.com + * + */ +#ifndef __ASM_MACH_LEMOTE_DMA_COHERENCE_H +#define __ASM_MACH_LEMOTE_DMA_COHERENCE_H + +struct device; + +static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, + size_t size) +{ + return virt_to_phys(addr) | 0x80000000; +} + +static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, + struct page *page) +{ + return page_to_phys(page) | 0x80000000; +} + +static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr) +{ + return dma_addr & 0x7fffffff; +} + +static inline void plat_unmap_dma_mem(dma_addr_t dma_addr) +{ +} + +static inline int plat_device_is_coherent(struct device *dev) +{ + return 0; +} + +#endif /* __ASM_MACH_LEMOTE_DMA_COHERENCE_H */ |