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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-16 02:16:07 +0400 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-16 02:16:07 +0400 |
commit | 2502991560dc8244dbe10e48473d85722c1e2ec1 (patch) | |
tree | 63b1f3be2ed56ff06f1e8db709e4ce85d69c3add /arch/mips/include/asm/mach-lemote/dma-coherence.h | |
parent | 7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4 (diff) | |
parent | a9ff8f6462635c8d9f8d64b7b10ddcea8404d77b (diff) | |
download | linux-2502991560dc8244dbe10e48473d85722c1e2ec1.tar.xz |
Merge branch 'fixes' into for-linus
Conflicts:
arch/arm/mach-versatile/core.c
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 000000000000..7e914777ebc4 --- /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 */ |