diff options
| author | Glauber Costa <gcosta@redhat.com> | 2008-03-25 18:36:21 -0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-19 19:19:56 +0200 |
| commit | 22456b97148be300e25e9cb97244656775972475 (patch) | |
| tree | d85225c64c776f61c9485a5ca1b06f32c53cc5fe /include/asm-x86/dma-mapping.h | |
| parent | 6f5366354bf86f8d2c1cf241c9bbf44b2d350e30 (diff) | |
x86: implement dma_map_single through dma_ops
That's already the name of the game for x86_64. For i386,
we add a pci-base_32.c, that will hold the default operations.
The function call itself goes through dma-mapping.h , the common
header
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/dma-mapping.h')
| -rw-r--r-- | include/asm-x86/dma-mapping.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index aebd178a19a..d320244db8a 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -50,10 +50,20 @@ struct dma_mapping_ops { int is_phys; }; +extern const struct dma_mapping_ops *dma_ops; + #ifdef CONFIG_X86_32 # include "dma-mapping_32.h" #else # include "dma-mapping_64.h" #endif +static inline dma_addr_t +dma_map_single(struct device *hwdev, void *ptr, size_t size, + int direction) +{ + BUG_ON(!valid_dma_direction(direction)); + return dma_ops->map_single(hwdev, ptr, size, direction); +} + #endif |