powerpc: remove unnecessary sync_single_range_* in swiotlb_dma_ops

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@lab.ntt.co.jp>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Becky Bruce <beckyb@kernel.crashing.org>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 6c1df5757cd6..8d1de6f31d5a 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