aboutsummaryrefslogtreecommitdiff
path: root/include/asm-i386/dma-mapping.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-i386/dma-mapping.h')
-rw-r--r--include/asm-i386/dma-mapping.h15
1 files changed, 6 insertions, 9 deletions
diff --git a/include/asm-i386/dma-mapping.h b/include/asm-i386/dma-mapping.h
index 9cf20cacf76..81999a3ebe7 100644
--- a/include/asm-i386/dma-mapping.h
+++ b/include/asm-i386/dma-mapping.h
@@ -21,8 +21,7 @@ static inline dma_addr_t
dma_map_single(struct device *dev, void *ptr, size_t size,
enum dma_data_direction direction)
{
- if (direction == DMA_NONE)
- BUG();
+ BUG_ON(!valid_dma_direction(direction));
WARN_ON(size == 0);
flush_write_buffers();
return virt_to_phys(ptr);
@@ -32,8 +31,7 @@ static inline void
dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
enum dma_data_direction direction)
{
- if (direction == DMA_NONE)
- BUG();
+ BUG_ON(!valid_dma_direction(direction));
}
static inline int
@@ -42,8 +40,7 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
{
int i;
- if (direction == DMA_NONE)
- BUG();
+ BUG_ON(!valid_dma_direction(direction));
WARN_ON(nents == 0 || sg[0].length == 0);
for (i = 0; i < nents; i++ ) {
@@ -60,7 +57,7 @@ static inline dma_addr_t
dma_map_page(struct device *dev, struct page *page, unsigned long offset,
size_t size, enum dma_data_direction direction)
{
- BUG_ON(direction == DMA_NONE);
+ BUG_ON(!valid_dma_direction(direction));
return page_to_phys(page) + offset;
}
@@ -68,7 +65,7 @@ static inline void
dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
enum dma_data_direction direction)
{
- BUG_ON(direction == DMA_NONE);
+ BUG_ON(!valid_dma_direction(direction));
}
@@ -76,7 +73,7 @@ static inline void
dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
enum dma_data_direction direction)
{
- BUG_ON(direction == DMA_NONE);
+ BUG_ON(!valid_dma_direction(direction));
}
static inline void