From 384740dc49ea651ba350704d13ff6be9976e37fe Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 16 Sep 2008 19:48:51 +0200 Subject: MIPS: Move headfiles to new location below arch/mips/include Signed-off-by: Ralf Baechle --- arch/mips/include/asm/mach-generic/dma-coherence.h | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 arch/mips/include/asm/mach-generic/dma-coherence.h (limited to 'arch/mips/include/asm/mach-generic/dma-coherence.h') 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 + * + */ +#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 */ -- cgit v1.2.2