diff options
Diffstat (limited to 'include/linux/dma-noncoherent.h')
| -rw-r--r-- | include/linux/dma-noncoherent.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/dma-noncoherent.h b/include/linux/dma-noncoherent.h index 9051b055beec..69b36ed31a99 100644 --- a/include/linux/dma-noncoherent.h +++ b/include/linux/dma-noncoherent.h @@ -38,7 +38,10 @@ pgprot_t arch_dma_mmap_pgprot(struct device *dev, pgprot_t prot, void arch_dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction); #else -#define arch_dma_cache_sync NULL +static inline void arch_dma_cache_sync(struct device *dev, void *vaddr, + size_t size, enum dma_data_direction direction) +{ +} #endif /* CONFIG_DMA_NONCOHERENT_CACHE_SYNC */ #ifdef CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE @@ -69,4 +72,6 @@ static inline void arch_sync_dma_for_cpu_all(struct device *dev) } #endif /* CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL */ +void arch_dma_prep_coherent(struct page *page, size_t size); + #endif /* _LINUX_DMA_NONCOHERENT_H */ |