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Diffstat (limited to 'arch/powerpc/kernel/ibmebus.c')
-rw-r--r--arch/powerpc/kernel/ibmebus.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index a06362223f8d..64299d28f364 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -79,20 +79,21 @@ static void ibmebus_free_coherent(struct device *dev,
kfree(vaddr);
}
-static dma_addr_t ibmebus_map_single(struct device *dev,
- void *ptr,
- size_t size,
- enum dma_data_direction direction,
- struct dma_attrs *attrs)
+static dma_addr_t ibmebus_map_page(struct device *dev,
+ struct page *page,
+ unsigned long offset,
+ size_t size,
+ enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
- return (dma_addr_t)(ptr);
+ return (dma_addr_t)(page_address(page) + offset);
}
-static void ibmebus_unmap_single(struct device *dev,
- dma_addr_t dma_addr,
- size_t size,
- enum dma_data_direction direction,
- struct dma_attrs *attrs)
+static void ibmebus_unmap_page(struct device *dev,
+ dma_addr_t dma_addr,
+ size_t size,
+ enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
return;
}
@@ -129,11 +130,11 @@ static int ibmebus_dma_supported(struct device *dev, u64 mask)
static struct dma_mapping_ops ibmebus_dma_ops = {
.alloc_coherent = ibmebus_alloc_coherent,
.free_coherent = ibmebus_free_coherent,
- .map_single = ibmebus_map_single,
- .unmap_single = ibmebus_unmap_single,
.map_sg = ibmebus_map_sg,
.unmap_sg = ibmebus_unmap_sg,
.dma_supported = ibmebus_dma_supported,
+ .map_page = ibmebus_map_page,
+ .unmap_page = ibmebus_unmap_page,
};
static int ibmebus_match_path(struct device *dev, void *data)