#include <linux/cache.h>
/* need struct page definitions */
#include <linux/mm.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <asm/io.h>
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
return dev->archdata.dma_ops;
}
+static inline void set_dma_ops(struct device *dev, struct dma_mapping_ops *ops)
+{
+ dev->archdata.dma_ops = ops;
+}
+
static inline int dma_supported(struct device *dev, u64 mask)
{
struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
return dma_ops->dma_supported(dev, mask);
}
+/* We have our own implementation of pci_set_dma_mask() */
+#define HAVE_ARCH_PCI_SET_DMA_MASK
+
static inline int dma_set_mask(struct device *dev, u64 dma_mask)
{
struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
extern struct dma_mapping_ops dma_iommu_ops;
extern struct dma_mapping_ops dma_direct_ops;
-extern unsigned long dma_direct_offset;
-
#else /* CONFIG_PPC64 */
#define dma_supported(dev, mask) (1)
}
static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+dma_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
enum dma_data_direction direction)
{
+ struct scatterlist *sg;
int i;
BUG_ON(direction == DMA_NONE);
- for (i = 0; i < nents; i++, sg++) {
- BUG_ON(!sg->page);
- __dma_sync_page(sg->page, sg->offset, sg->length, direction);
- sg->dma_address = page_to_bus(sg->page) + sg->offset;
+ for_each_sg(sgl, sg, nents, i) {
+ BUG_ON(!sg_page(sg));
+ __dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
+ sg->dma_address = page_to_bus(sg_page(sg)) + sg->offset;
}
return nents;
}
static inline void dma_sync_sg_for_cpu(struct device *dev,
- struct scatterlist *sg, int nents,
+ struct scatterlist *sgl, int nents,
enum dma_data_direction direction)
{
+ struct scatterlist *sg;
int i;
BUG_ON(direction == DMA_NONE);
- for (i = 0; i < nents; i++, sg++)
- __dma_sync_page(sg->page, sg->offset, sg->length, direction);
+ for_each_sg(sgl, sg, nents, i)
+ __dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
}
static inline void dma_sync_sg_for_device(struct device *dev,
- struct scatterlist *sg, int nents,
+ struct scatterlist *sgl, int nents,
enum dma_data_direction direction)
{
+ struct scatterlist *sg;
int i;
BUG_ON(direction == DMA_NONE);
- for (i = 0; i < nents; i++, sg++)
- __dma_sync_page(sg->page, sg->offset, sg->length, direction);
+ for_each_sg(sgl, sg, nents, i)
+ __dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
}
static inline int dma_mapping_error(dma_addr_t dma_addr)