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author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 15:17:14 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 15:17:14 +0200 |
commit | 620f2efcdc5c7a2db68da41bc3df3cf9a718024e (patch) | |
tree | b1a0411e2588953777d0b10245b12044c33cef54 /arch/mips/include/asm/mach-generic/dma-coherence.h | |
parent | 04944b793e18ece23f63c0252646b310c1845940 (diff) | |
parent | fd048088306656824958e7783ffcee27e241b361 (diff) | |
download | talos-op-linux-620f2efcdc5c7a2db68da41bc3df3cf9a718024e.tar.gz talos-op-linux-620f2efcdc5c7a2db68da41bc3df3cf9a718024e.zip |
Merge branch 'linus' into x86/xsave
Diffstat (limited to 'arch/mips/include/asm/mach-generic/dma-coherence.h')
-rw-r--r-- | arch/mips/include/asm/mach-generic/dma-coherence.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h new file mode 100644 index 000000000000..76e04e7feb84 --- /dev/null +++ b/arch/mips/include/asm/mach-generic/dma-coherence.h @@ -0,0 +1,45 @@ +/* + * 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 Ralf Baechle <ralf@linux-mips.org> + * + */ +#ifndef __ASM_MACH_GENERIC_DMA_COHERENCE_H +#define __ASM_MACH_GENERIC_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); +} + +static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, + struct page *page) +{ + return page_to_phys(page); +} + +static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr) +{ + return dma_addr; +} + +static inline void plat_unmap_dma_mem(dma_addr_t dma_addr) +{ +} + +static inline int plat_device_is_coherent(struct device *dev) +{ +#ifdef CONFIG_DMA_COHERENT + return 1; +#endif +#ifdef CONFIG_DMA_NONCOHERENT + return 0; +#endif +} + +#endif /* __ASM_MACH_GENERIC_DMA_COHERENCE_H */ |