From c786df08f6df2833e34e78cee5ef62558e3b5346 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Tue, 25 Mar 2008 18:36:37 -0300 Subject: 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 Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- include/asm-x86/dma-mapping.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include/asm-x86/dma-mapping.h') diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index 984935d86bb..a7090bbb2a2 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) -- cgit v1.2.3