the old i386 implementation is moved to pci-base_32.c
Signed-off-by: Glauber Costa <[EMAIL PROTECTED]>
---
arch/x86/kernel/pci-base_32.c | 19 +++++++++++++++++++
include/asm-x86/dma-mapping.h | 8 +++++++-
include/asm-x86/dma-mapping_32.h | 20 --------------------
include/asm-x86/dma-mapping_64.h | 7 -------
4 files changed, 26 insertions(+), 28 deletions(-)
diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c
index a8a7c7f..2474152 100644
--- a/arch/x86/kernel/pci-base_32.c
+++ b/arch/x86/kernel/pci-base_32.c
@@ -12,9 +12,28 @@ static dma_addr_t pci32_map_single(struct device *dev, void
*ptr,
return virt_to_phys(ptr);
}
+static int pci32_dma_map_sg(struct device *dev, struct scatterlist *sglist,
+ int nents, int direction)
+{
+ struct scatterlist *sg;
+ int i;
+
+ WARN_ON(nents == 0 || sglist[0].length == 0);
+
+ for_each_sg(sglist, sg, nents, i) {
+ BUG_ON(!sg_page(sg));
+
+ sg->dma_address = sg_phys(sg);
+ }
+
+ flush_write_buffers();
+ return nents;
+}
+
static const struct dma_mapping_ops pci32_dma_ops = {
.map_single = pci32_map_single,
.unmap_single = NULL,
+ .map_sg = pci32_dma_map_sg,
};
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 bb0378f..0901154 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -75,5 +75,11 @@ dma_unmap_single(struct device *dev, dma_addr_t addr, size_t
size,
dma_ops->unmap_single(dev, addr, size, direction);
}
-
+static inline int
+dma_map_sg(struct device *hwdev, struct scatterlist *sg,
+ int nents, int direction)
+{
+ BUG_ON(!valid_dma_direction(direction));
+ return dma_ops->map_sg(hwdev, sg, nents, direction);
+}
#endif
diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h
index 0b27cb0..cdcdeff 100644
--- a/include/asm-x86/dma-mapping_32.h
+++ b/include/asm-x86/dma-mapping_32.h
@@ -17,26 +17,6 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
void dma_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle);
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
- enum dma_data_direction direction)
-{
- struct scatterlist *sg;
- int i;
-
- BUG_ON(!valid_dma_direction(direction));
- WARN_ON(nents == 0 || sglist[0].length == 0);
-
- for_each_sg(sglist, sg, nents, i) {
- BUG_ON(!sg_page(sg));
-
- sg->dma_address = sg_phys(sg);
- }
-
- flush_write_buffers();
- return nents;
-}
-
static inline dma_addr_t
dma_map_page(struct device *dev, struct page *page, unsigned long offset,
size_t size, enum dma_data_direction direction)
diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
index 5d349db..b27527a 100644
--- a/include/asm-x86/dma-mapping_64.h
+++ b/include/asm-x86/dma-mapping_64.h
@@ -96,13 +96,6 @@ dma_sync_sg_for_device(struct device *hwdev, struct
scatterlist *sg,
flush_write_buffers();
}
-static inline int
-dma_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, int
direction)
-{
- BUG_ON(!valid_dma_direction(direction));
- return dma_ops->map_sg(hwdev, sg, nents, direction);
-}
-
static inline void
dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
int direction)
--
1.5.0.6
-------------------------------------------------------------------------
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