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[PATCH 09/20] x86: move dma_sync_single_range_for_device to common header

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From: Glauber Costa <gcosta@...>
To: <linux-kernel@...>
Cc: <akpm@...>, <glommer@...>, <mingo@...>, <tglx@...>, <kvm-devel@...>, <avi@...>, <amit.shah@...>
Subject: [PATCH 09/20] x86: move dma_sync_single_range_for_device to common header
Date: Tuesday, March 25, 2008 - 5:36 pm

i386 gets an empty function

Signed-off-by: Glauber Costa <gcosta@redhat.com>
---
 arch/x86/kernel/pci-base_32.c    |    1 +
 include/asm-x86/dma-mapping.h    |   14 ++++++++++++++
 include/asm-x86/dma-mapping_32.h |    8 --------
 include/asm-x86/dma-mapping_64.h |   12 ------------
 4 files changed, 15 insertions(+), 20 deletions(-)

diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c
index c501599..4512c30 100644
--- a/arch/x86/kernel/pci-base_32.c
+++ b/arch/x86/kernel/pci-base_32.c
@@ -38,6 +38,7 @@ static const struct dma_mapping_ops pci32_dma_ops = {
 	.sync_single_for_cpu = NULL,
 	.sync_single_for_device = NULL,
 	.sync_single_range_for_cpu = NULL,
+	.sync_single_range_for_device = NULL,
 };
 
 const struct dma_mapping_ops *dma_ops = &pci32_dma_ops;
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index a466470..260538b 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -125,4 +125,18 @@ dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
 
 	flush_write_buffers();
 }
+
+static inline void
+dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
+				 unsigned long offset, size_t size,
+				 int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	if (dma_ops->sync_single_range_for_device)
+		dma_ops->sync_single_range_for_device(hwdev, dma_handle,
+						      offset, size, direction);
+
+	flush_write_buffers();
+}
+
 #endif
diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h
index e24c59d..60d5371 100644
--- a/include/asm-x86/dma-mapping_32.h
+++ b/include/asm-x86/dma-mapping_32.h
@@ -33,14 +33,6 @@ dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
 }
 
 static inline void
-dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
-				 unsigned long offset, size_t size,
-				 enum dma_data_direction direction)
-{
-	flush_write_buffers();
-}
-
-static inline void
 dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
 		    enum dma_data_direction direction)
 {
diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
index 6ecafad..dfa66cc 100644
--- a/include/asm-x86/dma-mapping_64.h
+++ b/include/asm-x86/dma-mapping_64.h
@@ -29,18 +29,6 @@ extern void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
 #define dma_unmap_page dma_unmap_single
 
 static inline void
-dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
-				 unsigned long offset, size_t size, int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	if (dma_ops->sync_single_range_for_device)
-		dma_ops->sync_single_range_for_device(hwdev, dma_handle,
-						      offset, size, direction);
-
-	flush_write_buffers();
-}
-
-static inline void
 dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
 		    int nelems, int direction)
 {
-- 
1.5.0.6

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Messages in current thread:
[PATCH 09/20] x86: move dma_sync_single_range_for_device to ..., Glauber Costa, (Tue Mar 25, 5:36 pm)
[PATCH 10/20] x86: move dma_sync_sg_for_cpu to common header, Glauber Costa, (Tue Mar 25, 5:36 pm)
[PATCH 11/20] x86: move dma_sync_sg_for_device to common hea..., Glauber Costa, (Tue Mar 25, 5:36 pm)