linux-kernel - [PATCH] missing dma_sync_single_range

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Message-Id: <E1HBsxn-0002OQ-VN@ZenIV.linux.org.uk>
Date:	Tue, 30 Jan 2007 13:23:55 +0000
From:	Al Viro <viro@....linux.org.uk>
To:	torvalds@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] missing dma_sync_single_range_for{cpu,device} on alpha


no-op as all dma_sync_... there.

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 include/asm-alpha/dma-mapping.h |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/include/asm-alpha/dma-mapping.h b/include/asm-alpha/dma-mapping.h
index 57e09f5..1919d72 100644
--- a/include/asm-alpha/dma-mapping.h
+++ b/include/asm-alpha/dma-mapping.h
@@ -55,12 +55,14 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 
 int dma_set_mask(struct device *dev, u64 mask);
 
-#define dma_sync_single_for_cpu(dev, addr, size, dir)	  do { } while (0)
-#define dma_sync_single_for_device(dev, addr, size, dir)  do { } while (0)
-#define dma_sync_single_range(dev, addr, off, size, dir)  do { } while (0)
-#define dma_sync_sg_for_cpu(dev, sg, nents, dir)	  do { } while (0)
-#define dma_sync_sg_for_device(dev, sg, nents, dir)	  do { } while (0)
-#define dma_cache_sync(dev, va, size, dir)		  do { } while (0)
+#define dma_sync_single_for_cpu(dev, addr, size, dir)	  ((void)0)
+#define dma_sync_single_for_device(dev, addr, size, dir)  ((void)0)
+#define dma_sync_single_range(dev, addr, off, size, dir)  ((void)0)
+#define dma_sync_sg_for_cpu(dev, sg, nents, dir)	  ((void)0)
+#define dma_sync_sg_for_device(dev, sg, nents, dir)	  ((void)0)
+#define dma_cache_sync(dev, va, size, dir)		  ((void)0)
+#define dma_sync_single_range_for_cpu(dev, addr, offset, size, dir)	((void)0)
+#define dma_sync_single_range_for_device(dev, addr, offset, size, dir)	((void)0)
 
 #define dma_get_cache_alignment()			  L1_CACHE_BYTES
 
-- 
1.5.0-rc2.GIT


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