summaryrefslogtreecommitdiffstats
path: root/arch/m68k/kernel/dma.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/kernel/dma.c')
-rw-r--r--arch/m68k/kernel/dma.c61
1 files changed, 27 insertions, 34 deletions
diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c
index 564665f..cbc78b4 100644
--- a/arch/m68k/kernel/dma.c
+++ b/arch/m68k/kernel/dma.c
@@ -18,8 +18,8 @@
#if defined(CONFIG_MMU) && !defined(CONFIG_COLDFIRE)
-void *dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *handle, gfp_t flag)
+static void *m68k_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
+ gfp_t flag, struct dma_attrs *attrs)
{
struct page *page, **map;
pgprot_t pgprot;
@@ -61,8 +61,8 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
return addr;
}
-void dma_free_coherent(struct device *dev, size_t size,
- void *addr, dma_addr_t handle)
+static void m68k_dma_free(struct device *dev, size_t size, void *addr,
+ dma_addr_t handle, struct dma_attrs *attrs)
{
pr_debug("dma_free_coherent: %p, %x\n", addr, handle);
vfree(addr);
@@ -72,8 +72,8 @@ void dma_free_coherent(struct device *dev, size_t size,
#include <asm/cacheflush.h>
-void *dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp)
+static void *m68k_dma_alloc(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t gfp, struct dma_attrs *attrs)
{
void *ret;
/* ignore region specifiers */
@@ -90,19 +90,16 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
return ret;
}
-void dma_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle)
+static void m68k_dma_free(struct device *dev, size_t size, void *vaddr,
+ dma_addr_t dma_handle, struct dma_attrs *attrs)
{
free_pages((unsigned long)vaddr, get_order(size));
}
#endif /* CONFIG_MMU && !CONFIG_COLDFIRE */
-EXPORT_SYMBOL(dma_alloc_coherent);
-EXPORT_SYMBOL(dma_free_coherent);
-
-void dma_sync_single_for_device(struct device *dev, dma_addr_t handle,
- size_t size, enum dma_data_direction dir)
+static void m68k_dma_sync_single_for_device(struct device *dev,
+ dma_addr_t handle, size_t size, enum dma_data_direction dir)
{
switch (dir) {
case DMA_BIDIRECTIONAL:
@@ -118,10 +115,9 @@ void dma_sync_single_for_device(struct device *dev, dma_addr_t handle,
break;
}
}
-EXPORT_SYMBOL(dma_sync_single_for_device);
-void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sglist,
- int nents, enum dma_data_direction dir)
+static void m68k_dma_sync_sg_for_device(struct device *dev,
+ struct scatterlist *sglist, int nents, enum dma_data_direction dir)
{
int i;
struct scatterlist *sg;
@@ -131,31 +127,19 @@ void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sglist,
dir);
}
}
-EXPORT_SYMBOL(dma_sync_sg_for_device);
-
-dma_addr_t dma_map_single(struct device *dev, void *addr, size_t size,
- enum dma_data_direction dir)
-{
- dma_addr_t handle = virt_to_bus(addr);
-
- dma_sync_single_for_device(dev, handle, size, dir);
- return handle;
-}
-EXPORT_SYMBOL(dma_map_single);
-dma_addr_t dma_map_page(struct device *dev, struct page *page,
- unsigned long offset, size_t size,
- enum dma_data_direction dir)
+static dma_addr_t m68k_dma_map_page(struct device *dev, struct page *page,
+ unsigned long offset, size_t size, enum dma_data_direction dir,
+ struct dma_attrs *attrs)
{
dma_addr_t handle = page_to_phys(page) + offset;
dma_sync_single_for_device(dev, handle, size, dir);
return handle;
}
-EXPORT_SYMBOL(dma_map_page);
-int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
- enum dma_data_direction dir)
+static int m68k_dma_map_sg(struct device *dev, struct scatterlist *sglist,
+ int nents, enum dma_data_direction dir, struct dma_attrs *attrs)
{
int i;
struct scatterlist *sg;
@@ -167,4 +151,13 @@ int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
}
return nents;
}
-EXPORT_SYMBOL(dma_map_sg);
+
+struct dma_map_ops m68k_dma_ops = {
+ .alloc = m68k_dma_alloc,
+ .free = m68k_dma_free,
+ .map_page = m68k_dma_map_page,
+ .map_sg = m68k_dma_map_sg,
+ .sync_single_for_device = m68k_dma_sync_single_for_device,
+ .sync_sg_for_device = m68k_dma_sync_sg_for_device,
+};
+EXPORT_SYMBOL(m68k_dma_ops);
OpenPOWER on IntegriCloud