dma-mapping: remove unnecessary sync_single_range_* in dma_map_ops
FUJITA Tomonori [Wed, 26 May 2010 21:44:18 +0000 (14:44 -0700)]
sync_single_range_for_cpu and sync_single_range_for_device hooks are
unnecessary because sync_single_for_cpu and sync_single_for_device can
be used instead.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
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>

include/asm-generic/dma-mapping-common.h
include/linux/dma-mapping.h

index 6920695..0c80bb3 100644 (file)
@@ -123,15 +123,7 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
                                                 size_t size,
                                                 enum dma_data_direction dir)
 {
-       struct dma_map_ops *ops = get_dma_ops(dev);
-
-       BUG_ON(!valid_dma_direction(dir));
-       if (ops->sync_single_range_for_cpu) {
-               ops->sync_single_range_for_cpu(dev, addr, offset, size, dir);
-               debug_dma_sync_single_range_for_cpu(dev, addr, offset, size, dir);
-
-       } else
-               dma_sync_single_for_cpu(dev, addr + offset, size, dir);
+       dma_sync_single_for_cpu(dev, addr + offset, size, dir);
 }
 
 static inline void dma_sync_single_range_for_device(struct device *dev,
@@ -140,15 +132,7 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
                                                    size_t size,
                                                    enum dma_data_direction dir)
 {
-       struct dma_map_ops *ops = get_dma_ops(dev);
-
-       BUG_ON(!valid_dma_direction(dir));
-       if (ops->sync_single_range_for_device) {
-               ops->sync_single_range_for_device(dev, addr, offset, size, dir);
-               debug_dma_sync_single_range_for_device(dev, addr, offset, size, dir);
-
-       } else
-               dma_sync_single_for_device(dev, addr + offset, size, dir);
+       dma_sync_single_for_device(dev, addr + offset, size, dir);
 }
 
 static inline void
index ca32ed7..2ea1494 100644 (file)
@@ -40,16 +40,6 @@ struct dma_map_ops {
        void (*sync_single_for_device)(struct device *dev,
                                       dma_addr_t dma_handle, size_t size,
                                       enum dma_data_direction dir);
-       void (*sync_single_range_for_cpu)(struct device *dev,
-                                         dma_addr_t dma_handle,
-                                         unsigned long offset,
-                                         size_t size,
-                                         enum dma_data_direction dir);
-       void (*sync_single_range_for_device)(struct device *dev,
-                                            dma_addr_t dma_handle,
-                                            unsigned long offset,
-                                            size_t size,
-                                            enum dma_data_direction dir);
        void (*sync_sg_for_cpu)(struct device *dev,
                                struct scatterlist *sg, int nents,
                                enum dma_data_direction dir);