diff options
| author | Roman Yeryomin <roman@advem.lv> | 2012-09-13 00:40:35 +0300 | 
|---|---|---|
| committer | Roman Yeryomin <roman@advem.lv> | 2012-12-03 00:13:21 +0200 | 
| commit | 5deb3317cb51ac52de922bb55f8492624018906d (patch) | |
| tree | c2fbe6346699d9bb0f2100490c3029519bb8fde8 /target/linux/realtek/files/arch/rlx/include/asm/mach-generic/dma-coherence.h | |
| parent | 0239d37124f9184b478a42de8a7fa1bc85a6a6fe (diff) | |
Add realtek target files
Signed-off-by: Roman Yeryomin <roman@advem.lv>
Diffstat (limited to 'target/linux/realtek/files/arch/rlx/include/asm/mach-generic/dma-coherence.h')
| -rw-r--r-- | target/linux/realtek/files/arch/rlx/include/asm/mach-generic/dma-coherence.h | 69 | 
1 files changed, 69 insertions, 0 deletions
| diff --git a/target/linux/realtek/files/arch/rlx/include/asm/mach-generic/dma-coherence.h b/target/linux/realtek/files/arch/rlx/include/asm/mach-generic/dma-coherence.h new file mode 100644 index 000000000..36c611b6c --- /dev/null +++ b/target/linux/realtek/files/arch/rlx/include/asm/mach-generic/dma-coherence.h @@ -0,0 +1,69 @@ +/* + * 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(struct device *dev, dma_addr_t dma_addr) +{ +} + +static inline int plat_dma_supported(struct device *dev, u64 mask) +{ +	/* +	 * we fall back to GFP_DMA when the mask isn't all 1s, +	 * so we can't guarantee allocations that must be +	 * within a tighter range than GFP_DMA.. +	 */ +	if (mask < DMA_BIT_MASK(24)) +		return 0; + +	return 1; +} + +static inline void plat_extra_sync_for_device(struct device *dev) +{ +	return; +} + +static inline int plat_dma_mapping_error(struct device *dev, +					 dma_addr_t dma_addr) +{ +	return 0; +} + +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 */ | 
