diff options
| author | Glauber Costa <gcosta@redhat.com> | 2008-03-25 21:36:37 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-19 17:19:57 (GMT) |
| commit | c786df08f6df2833e34e78cee5ef62558e3b5346 (patch) | |
| tree | a699d91f610f9e33092c59589afc7c1bc6e65ee8 /include/asm-x86/dma-mapping.h | |
| parent | 7c18341665917b493fa40eeb3c7ff6c1a5ac47db (diff) | |
| download | linux-c786df08f6df2833e34e78cee5ef62558e3b5346.tar.xz | |
x86: unify dma_mapping_error
We provide a map_error function in pci-base_32.c to make
sure i386 keeps with the same behaviour it used to.
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 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index 984935d..a7090bb 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -54,6 +54,14 @@ struct dma_mapping_ops { extern const struct dma_mapping_ops *dma_ops; +static inline int dma_mapping_error(dma_addr_t dma_addr) +{ + if (dma_ops->mapping_error) + return dma_ops->mapping_error(dma_addr); + + return (dma_addr == bad_dma_address); +} + #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) |