diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 06:35:23 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 06:37:32 -0400 |
commit | 365d46dc9be9b3c833990a06f3994b1987eda578 (patch) | |
tree | 9397d1304144a288411f2118707f44ff5e862fa6 /arch/mips/include/asm/mach-generic/dma-coherence.h | |
parent | 5dc64a3442b98eaa0e3730c35fcf00cf962a93e7 (diff) | |
parent | fd048088306656824958e7783ffcee27e241b361 (diff) |
Merge branch 'linus' into x86/xen
Conflicts:
arch/x86/kernel/cpu/common.c
arch/x86/kernel/process_64.c
arch/x86/xen/enlighten.c
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 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org> | ||
7 | * | ||
8 | */ | ||
9 | #ifndef __ASM_MACH_GENERIC_DMA_COHERENCE_H | ||
10 | #define __ASM_MACH_GENERIC_DMA_COHERENCE_H | ||
11 | |||
12 | struct device; | ||
13 | |||
14 | static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, | ||
15 | size_t size) | ||
16 | { | ||
17 | return virt_to_phys(addr); | ||
18 | } | ||
19 | |||
20 | static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, | ||
21 | struct page *page) | ||
22 | { | ||
23 | return page_to_phys(page); | ||
24 | } | ||
25 | |||
26 | static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr) | ||
27 | { | ||
28 | return dma_addr; | ||
29 | } | ||
30 | |||
31 | static inline void plat_unmap_dma_mem(dma_addr_t dma_addr) | ||
32 | { | ||
33 | } | ||
34 | |||
35 | static inline int plat_device_is_coherent(struct device *dev) | ||
36 | { | ||
37 | #ifdef CONFIG_DMA_COHERENT | ||
38 | return 1; | ||
39 | #endif | ||
40 | #ifdef CONFIG_DMA_NONCOHERENT | ||
41 | return 0; | ||
42 | #endif | ||
43 | } | ||
44 | |||
45 | #endif /* __ASM_MACH_GENERIC_DMA_COHERENCE_H */ | ||