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Diffstat (limited to 'arch/sparc/kernel/dma.c')
-rw-r--r--arch/sparc/kernel/dma.c127
1 files changed, 39 insertions, 88 deletions
diff --git a/arch/sparc/kernel/dma.c b/arch/sparc/kernel/dma.c
index ebc8403b035..524c32f97c5 100644
--- a/arch/sparc/kernel/dma.c
+++ b/arch/sparc/kernel/dma.c
@@ -35,8 +35,8 @@ int dma_set_mask(struct device *dev, u64 dma_mask)
}
EXPORT_SYMBOL(dma_set_mask);
-void *dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag)
+static void *dma32_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t flag)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type)
@@ -44,10 +44,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
#endif
return sbus_alloc_consistent(dev, size, dma_handle);
}
-EXPORT_SYMBOL(dma_alloc_coherent);
-void dma_free_coherent(struct device *dev, size_t size,
- void *cpu_addr, dma_addr_t dma_handle)
+static void dma32_free_coherent(struct device *dev, size_t size,
+ void *cpu_addr, dma_addr_t dma_handle)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) {
@@ -58,38 +57,10 @@ void dma_free_coherent(struct device *dev, size_t size,
#endif
sbus_free_consistent(dev, size, cpu_addr, dma_handle);
}
-EXPORT_SYMBOL(dma_free_coherent);
-dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
- size_t size, enum dma_data_direction direction)
-{
-#ifdef CONFIG_PCI
- if (dev->bus == &pci_bus_type)
- return pci_map_single(to_pci_dev(dev), cpu_addr,
- size, (int)direction);
-#endif
- return sbus_map_single(dev, cpu_addr, size, (int)direction);
-}
-EXPORT_SYMBOL(dma_map_single);
-
-void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
- size_t size,
- enum dma_data_direction direction)
-{
-#ifdef CONFIG_PCI
- if (dev->bus == &pci_bus_type) {
- pci_unmap_single(to_pci_dev(dev), dma_addr,
- size, (int)direction);
- return;
- }
-#endif
- sbus_unmap_single(dev, dma_addr, size, (int)direction);
-}
-EXPORT_SYMBOL(dma_unmap_single);
-
-dma_addr_t dma_map_page(struct device *dev, struct page *page,
- unsigned long offset, size_t size,
- enum dma_data_direction direction)
+static dma_addr_t dma32_map_page(struct device *dev, struct page *page,
+ unsigned long offset, size_t size,
+ enum dma_data_direction direction)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type)
@@ -99,10 +70,9 @@ dma_addr_t dma_map_page(struct device *dev, struct page *page,
return sbus_map_single(dev, page_address(page) + offset,
size, (int)direction);
}
-EXPORT_SYMBOL(dma_map_page);
-void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
- size_t size, enum dma_data_direction direction)
+static void dma32_unmap_page(struct device *dev, dma_addr_t dma_address,
+ size_t size, enum dma_data_direction direction)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) {
@@ -113,10 +83,9 @@ void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
#endif
sbus_unmap_single(dev, dma_address, size, (int)direction);
}
-EXPORT_SYMBOL(dma_unmap_page);
-int dma_map_sg(struct device *dev, struct scatterlist *sg,
- int nents, enum dma_data_direction direction)
+static int dma32_map_sg(struct device *dev, struct scatterlist *sg,
+ int nents, enum dma_data_direction direction)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type)
@@ -124,10 +93,9 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg,
#endif
return sbus_map_sg(dev, sg, nents, direction);
}
-EXPORT_SYMBOL(dma_map_sg);
-void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
- int nents, enum dma_data_direction direction)
+void dma32_unmap_sg(struct device *dev, struct scatterlist *sg,
+ int nents, enum dma_data_direction direction)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) {
@@ -137,10 +105,10 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
#endif
sbus_unmap_sg(dev, sg, nents, (int)direction);
}
-EXPORT_SYMBOL(dma_unmap_sg);
-void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
- size_t size, enum dma_data_direction direction)
+static void dma32_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
+ size_t size,
+ enum dma_data_direction direction)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) {
@@ -151,10 +119,10 @@ void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
#endif
sbus_dma_sync_single_for_cpu(dev, dma_handle, size, (int) direction);
}
-EXPORT_SYMBOL(dma_sync_single_for_cpu);
-void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
- size_t size, enum dma_data_direction direction)
+static void dma32_sync_single_for_device(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) {
@@ -165,28 +133,9 @@ void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
#endif
sbus_dma_sync_single_for_device(dev, dma_handle, size, (int) direction);
}
-EXPORT_SYMBOL(dma_sync_single_for_device);
-
-void dma_sync_single_range_for_cpu(struct device *dev,
- dma_addr_t dma_handle,
- unsigned long offset,
- size_t size,
- enum dma_data_direction direction)
-{
- dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
-}
-EXPORT_SYMBOL(dma_sync_single_range_for_cpu);
-
-void dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
- unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
- dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
-}
-EXPORT_SYMBOL(dma_sync_single_range_for_device);
-void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
- int nelems, enum dma_data_direction direction)
+static void dma32_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
+ int nelems, enum dma_data_direction direction)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) {
@@ -197,11 +146,10 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
#endif
BUG();
}
-EXPORT_SYMBOL(dma_sync_sg_for_cpu);
-void dma_sync_sg_for_device(struct device *dev,
- struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
+static void dma32_sync_sg_for_device(struct device *dev,
+ struct scatterlist *sg, int nelems,
+ enum dma_data_direction direction)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) {
@@ -212,16 +160,19 @@ void dma_sync_sg_for_device(struct device *dev,
#endif
BUG();
}
-EXPORT_SYMBOL(dma_sync_sg_for_device);
-int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
- return (dma_addr == DMA_ERROR_CODE);
-}
-EXPORT_SYMBOL(dma_mapping_error);
-
-int dma_get_cache_alignment(void)
-{
- return 32;
-}
-EXPORT_SYMBOL(dma_get_cache_alignment);
+static const struct dma_ops dma32_dma_ops = {
+ .alloc_coherent = dma32_alloc_coherent,
+ .free_coherent = dma32_free_coherent,
+ .map_page = dma32_map_page,
+ .unmap_page = dma32_unmap_page,
+ .map_sg = dma32_map_sg,
+ .unmap_sg = dma32_unmap_sg,
+ .sync_single_for_cpu = dma32_sync_single_for_cpu,
+ .sync_single_for_device = dma32_sync_single_for_device,
+ .sync_sg_for_cpu = dma32_sync_sg_for_cpu,
+ .sync_sg_for_device = dma32_sync_sg_for_device,
+};
+
+const struct dma_ops *dma_ops = &dma32_dma_ops;
+EXPORT_SYMBOL(dma_ops);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-28 19:01:21 +0000