diff options
author | David S. Miller <davem@davemloft.net> | 2008-10-11 15:39:35 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-10-11 15:39:35 -0400 |
commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
tree | 00b793965beeef10db03e0ff021d2d965c410759 /arch/mips/include/asm/mach-lemote/dma-coherence.h | |
parent | 4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff) | |
parent | ead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.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 @@ | |||
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, 07 Ralf Baechle <ralf@linux-mips.org> | ||
7 | * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology | ||
8 | * Author: Fuxin Zhang, zhangfx@lemote.com | ||
9 | * | ||
10 | */ | ||
11 | #ifndef __ASM_MACH_LEMOTE_DMA_COHERENCE_H | ||
12 | #define __ASM_MACH_LEMOTE_DMA_COHERENCE_H | ||
13 | |||
14 | struct device; | ||
15 | |||
16 | static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, | ||
17 | size_t size) | ||
18 | { | ||
19 | return virt_to_phys(addr) | 0x80000000; | ||
20 | } | ||
21 | |||
22 | static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, | ||
23 | struct page *page) | ||
24 | { | ||
25 | return page_to_phys(page) | 0x80000000; | ||
26 | } | ||
27 | |||
28 | static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr) | ||
29 | { | ||
30 | return dma_addr & 0x7fffffff; | ||
31 | } | ||
32 | |||
33 | static inline void plat_unmap_dma_mem(dma_addr_t dma_addr) | ||
34 | { | ||
35 | } | ||
36 | |||
37 | static inline int plat_device_is_coherent(struct device *dev) | ||
38 | { | ||
39 | return 0; | ||
40 | } | ||
41 | |||
42 | #endif /* __ASM_MACH_LEMOTE_DMA_COHERENCE_H */ | ||