Introduce the dma_flags_set_attr() interface and give it a default
no-op implementation.
Signed-off-by: Arthur Kepner <[email protected]>
---
dma-mapping.h | 8 ++++++++
1 files changed, 8 insertions(+)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 2dc21cb..4990aaf 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -99,4 +99,12 @@ static inline void dmam_release_declared_memory(struct device *dev)
}
#endif /* ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY */
+#define DMA_BARRIER_ATTR 0x1
+#ifndef ARCH_USES_DMA_ATTRS
+static inline int dma_flags_set_attr(u32 attr, enum dma_data_direction dir)
+{
+ return dir;
+}
+#endif /* ARCH_USES_DMA_ATTRS */
+
#endif
From: [email protected]
Date: Tue, 2 Oct 2007 19:44:57 -0700
>
> Introduce the dma_flags_set_attr() interface and give it a default
> no-op implementation.
>
> Signed-off-by: Arthur Kepner <[email protected]>
Acked-by: David S. Miller <[email protected]>