KVM: kvmtrace: replace get_cycles with ktime_get v3

[linux-2.6-omap-h63xx.git] / include / linux / dma-mapping.h

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 6ed50c1642f1c10f587602e2864d233dc40428d5..ba9114ec5d3aa953a13f057e157b6b866de76f53 100644 (file)
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -63,6 +63,13 @@ static inline int is_buffer_dma_capable(u64 mask, dma_addr_t addr, size_t size)
 #define dma_sync_single                dma_sync_single_for_cpu
 #define dma_sync_sg            dma_sync_sg_for_cpu
 
+static inline u64 dma_get_mask(struct device *dev)
+{
+       if (dev && dev->dma_mask && *dev->dma_mask)
+               return *dev->dma_mask;
+       return DMA_32BIT_MASK;
+}
+
 extern u64 dma_get_required_mask(struct device *dev);
 
 static inline unsigned int dma_get_max_seg_size(struct device *dev)