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-rw-r--r--include/linux/dma-debug.h11
-rw-r--r--include/linux/dma-mapping.h66
2 files changed, 28 insertions, 49 deletions
diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h
index 2ad5c363d7d5..cb422cbe587d 100644
--- a/include/linux/dma-debug.h
+++ b/include/linux/dma-debug.h
@@ -35,13 +35,12 @@ extern void debug_dma_map_single(struct device *dev, const void *addr,
extern void debug_dma_map_page(struct device *dev, struct page *page,
size_t offset, size_t size,
- int direction, dma_addr_t dma_addr,
- bool map_single);
+ int direction, dma_addr_t dma_addr);
extern void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
- size_t size, int direction, bool map_single);
+ size_t size, int direction);
extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
int nents, int mapped_ents, int direction);
@@ -95,8 +94,7 @@ static inline void debug_dma_map_single(struct device *dev, const void *addr,
static inline void debug_dma_map_page(struct device *dev, struct page *page,
size_t offset, size_t size,
- int direction, dma_addr_t dma_addr,
- bool map_single)
+ int direction, dma_addr_t dma_addr)
{
}
@@ -106,8 +104,7 @@ static inline void debug_dma_mapping_error(struct device *dev,
}
static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
- size_t size, int direction,
- bool map_single)
+ size_t size, int direction)
{
}
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index ba521d5506c9..0452a8be2789 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -284,32 +284,25 @@ static inline void dma_direct_sync_sg_for_cpu(struct device *dev,
}
#endif
-static inline dma_addr_t dma_map_single_attrs(struct device *dev, void *ptr,
- size_t size,
- enum dma_data_direction dir,
- unsigned long attrs)
+static inline dma_addr_t dma_map_page_attrs(struct device *dev,
+ struct page *page, size_t offset, size_t size,
+ enum dma_data_direction dir, unsigned long attrs)
{
const struct dma_map_ops *ops = get_dma_ops(dev);
dma_addr_t addr;
BUG_ON(!valid_dma_direction(dir));
- debug_dma_map_single(dev, ptr, size);
if (dma_is_direct(ops))
- addr = dma_direct_map_page(dev, virt_to_page(ptr),
- offset_in_page(ptr), size, dir, attrs);
+ addr = dma_direct_map_page(dev, page, offset, size, dir, attrs);
else
- addr = ops->map_page(dev, virt_to_page(ptr),
- offset_in_page(ptr), size, dir, attrs);
- debug_dma_map_page(dev, virt_to_page(ptr),
- offset_in_page(ptr), size,
- dir, addr, true);
+ addr = ops->map_page(dev, page, offset, size, dir, attrs);
+ debug_dma_map_page(dev, page, offset, size, dir, addr);
+
return addr;
}
-static inline void dma_unmap_single_attrs(struct device *dev, dma_addr_t addr,
- size_t size,
- enum dma_data_direction dir,
- unsigned long attrs)
+static inline void dma_unmap_page_attrs(struct device *dev, dma_addr_t addr,
+ size_t size, enum dma_data_direction dir, unsigned long attrs)
{
const struct dma_map_ops *ops = get_dma_ops(dev);
@@ -318,13 +311,7 @@ static inline void dma_unmap_single_attrs(struct device *dev, dma_addr_t addr,
dma_direct_unmap_page(dev, addr, size, dir, attrs);
else if (ops->unmap_page)
ops->unmap_page(dev, addr, size, dir, attrs);
- debug_dma_unmap_page(dev, addr, size, dir, true);
-}
-
-static inline void dma_unmap_page_attrs(struct device *dev, dma_addr_t addr,
- size_t size, enum dma_data_direction dir, unsigned long attrs)
-{
- return dma_unmap_single_attrs(dev, addr, size, dir, attrs);
+ debug_dma_unmap_page(dev, addr, size, dir);
}
/*
@@ -363,25 +350,6 @@ static inline void dma_unmap_sg_attrs(struct device *dev, struct scatterlist *sg
ops->unmap_sg(dev, sg, nents, dir, attrs);
}
-static inline dma_addr_t dma_map_page_attrs(struct device *dev,
- struct page *page,
- size_t offset, size_t size,
- enum dma_data_direction dir,
- unsigned long attrs)
-{
- const struct dma_map_ops *ops = get_dma_ops(dev);
- dma_addr_t addr;
-
- BUG_ON(!valid_dma_direction(dir));
- if (dma_is_direct(ops))
- addr = dma_direct_map_page(dev, page, offset, size, dir, attrs);
- else
- addr = ops->map_page(dev, page, offset, size, dir, attrs);
- debug_dma_map_page(dev, page, offset, size, dir, addr, false);
-
- return addr;
-}
-
static inline dma_addr_t dma_map_resource(struct device *dev,
phys_addr_t phys_addr,
size_t size,
@@ -488,6 +456,20 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
}
+static inline dma_addr_t dma_map_single_attrs(struct device *dev, void *ptr,
+ size_t size, enum dma_data_direction dir, unsigned long attrs)
+{
+ debug_dma_map_single(dev, ptr, size);
+ return dma_map_page_attrs(dev, virt_to_page(ptr), offset_in_page(ptr),
+ size, dir, attrs);
+}
+
+static inline void dma_unmap_single_attrs(struct device *dev, dma_addr_t addr,
+ size_t size, enum dma_data_direction dir, unsigned long attrs)
+{
+ return dma_unmap_page_attrs(dev, addr, size, dir, attrs);
+}
+
#define dma_map_single(d, a, s, r) dma_map_single_attrs(d, a, s, r, 0)
#define dma_unmap_single(d, a, s, r) dma_unmap_single_attrs(d, a, s, r, 0)
#define dma_map_sg(d, s, n, r) dma_map_sg_attrs(d, s, n, r, 0)