[PATCH -mm 4/6] powerpc: remove unnecessary sync_single_range_* in swiotlb_dma_ops

From: FUJITA Tomonori
Date: Tue Apr 27 2010 - 08:27:16 EST


sync_single_range_for_cpu and sync_single_range_for_device hooks in
swiotlb_dma_ops are unnecessary because sync_single_for_cpu and
sync_single_for_device are used there.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Becky Bruce <beckyb@xxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/kernel/dma-swiotlb.c | 4 ++--
arch/powerpc/kernel/dma.c | 12 ++++++------
2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index 59c9285..cc79e8d 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -38,8 +38,8 @@ struct dma_map_ops swiotlb_dma_ops = {
.dma_supported = swiotlb_dma_supported,
.map_page = swiotlb_map_page,
.unmap_page = swiotlb_unmap_page,
- .sync_single_range_for_cpu = swiotlb_sync_single_range_for_cpu,
- .sync_single_range_for_device = swiotlb_sync_single_range_for_device,
+ .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
+ .sync_single_for_device = swiotlb_sync_single_for_device,
.sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
.sync_sg_for_device = swiotlb_sync_sg_for_device,
.mapping_error = swiotlb_dma_mapping_error,
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 6c1df57..8d1de6f 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -127,11 +127,11 @@ static inline void dma_direct_sync_sg(struct device *dev,
__dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
}

-static inline void dma_direct_sync_single_range(struct device *dev,
- dma_addr_t dma_handle, unsigned long offset, size_t size,
- enum dma_data_direction direction)
+static inline void dma_direct_sync_single(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
{
- __dma_sync(bus_to_virt(dma_handle+offset), size, direction);
+ __dma_sync(bus_to_virt(dma_handle), size, direction);
}
#endif

@@ -144,8 +144,8 @@ struct dma_map_ops dma_direct_ops = {
.map_page = dma_direct_map_page,
.unmap_page = dma_direct_unmap_page,
#ifdef CONFIG_NOT_COHERENT_CACHE
- .sync_single_range_for_cpu = dma_direct_sync_single_range,
- .sync_single_range_for_device = dma_direct_sync_single_range,
+ .sync_single_for_cpu = dma_direct_sync_single,
+ .sync_single_for_device = dma_direct_sync_single,
.sync_sg_for_cpu = dma_direct_sync_sg,
.sync_sg_for_device = dma_direct_sync_sg,
#endif
--
1.6.5

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