linux-kernel - [PATCH 14/20] x86: move dma_cache

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Date:	Tue, 25 Mar 2008 18:36:33 -0300
From:	Glauber Costa <gcosta@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, glommer@...il.com, mingo@...e.hu,
	tglx@...utronix.de, kvm-devel@...ts.sourceforge.net,
	avi@...ranet.com, amit.shah@...ranet.com
Subject: [PATCH 14/20] x86: move dma_cache_sync to common header

they are the same in both architectures.

Signed-off-by: Glauber Costa <gcosta@...hat.com>
---
 include/asm-x86/dma-mapping.h    |    6 ++++++
 include/asm-x86/dma-mapping_32.h |    7 -------
 include/asm-x86/dma-mapping_64.h |    7 -------
 3 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index b5a413a..70a5ede 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -183,4 +183,10 @@ static inline void dma_unmap_page(struct device *dev, dma_addr_t addr,
 	dma_unmap_single(dev, addr, size, direction);
 }
 
+static inline void
+dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+	enum dma_data_direction dir)
+{
+	flush_write_buffers();
+}
 #endif
diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h
index c61ae7f..e60c30a 100644
--- a/include/asm-x86/dma-mapping_32.h
+++ b/include/asm-x86/dma-mapping_32.h
@@ -55,13 +55,6 @@ dma_get_cache_alignment(void)
 
 #define dma_is_consistent(d, h)	(1)
 
-static inline void
-dma_cache_sync(struct device *dev, void *vaddr, size_t size,
-	       enum dma_data_direction direction)
-{
-	flush_write_buffers();
-}
-
 #define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
 extern int
 dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
index 2b4a430..b1bc6ca 100644
--- a/include/asm-x86/dma-mapping_64.h
+++ b/include/asm-x86/dma-mapping_64.h
@@ -24,13 +24,6 @@ static inline int dma_get_cache_alignment(void)
 
 extern int dma_set_mask(struct device *dev, u64 mask);
 
-static inline void
-dma_cache_sync(struct device *dev, void *vaddr, size_t size,
-	enum dma_data_direction dir)
-{
-	flush_write_buffers();
-}
-
 extern struct device fallback_dev;
 extern int panic_on_overflow;
 
-- 
1.5.0.6

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