diff options
Diffstat (limited to 'include/asm-arm/memory.h')
| -rw-r--r-- | include/asm-arm/memory.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h index afa5c3ea077c..2b3cf69b3ed9 100644 --- a/include/asm-arm/memory.h +++ b/include/asm-arm/memory.h @@ -234,6 +234,14 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #define virt_to_dma(dev, addr) (__arch_virt_to_dma(dev, addr)) #endif +/* + * Optional coherency support. Currently used only by selected + * Intel XSC3-based systems. + */ +#ifndef arch_is_coherent +#define arch_is_coherent() 0 +#endif + #endif #include <asm-generic/memory_model.h> |