[PATCH 16/34] microblaze: rename dma_direct to dma_nommu

Christoph Hellwig
2018-01-12T08:42:14Z

This frees the dma_direct_* namespace for a generic implementation.

Signed-off-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
---
arch/microblaze/include/asm/dma-mapping.h | 4 +--
arch/microblaze/kernel/dma.c | 48 +++++++++++++++----------------
2 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h
index 6b9ea39405b8..add50c1373bf 100644
--- a/arch/microblaze/include/asm/dma-mapping.h
+++ b/arch/microblaze/include/asm/dma-mapping.h
@@ -18,11 +18,11 @@
/*
* Available generic sets of operations
*/
-extern const struct dma_map_ops dma_direct_ops;
+extern const struct dma_map_ops dma_nommu_ops;

static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
- return &dma_direct_ops;
+ return &dma_nommu_ops;
}

#endif /* _ASM_MICROBLAZE_DMA_MAPPING_H */
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 990bf9ea0ec6..450803e5731a 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -17,7 +17,7 @@

#define NOT_COHERENT_CACHE

-static void *dma_direct_alloc_coherent(struct device *dev, size_t size,
+static void *dma_nommu_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag,
unsigned long attrs)
{
@@ -42,7 +42,7 @@ static void *dma_direct_alloc_coherent(struct device *dev, size_t size,
#endif
}

-static void dma_direct_free_coherent(struct device *dev, size_t size,
+static void dma_nommu_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle,
unsigned long attrs)
{
@@ -69,7 +69,7 @@ static inline void __dma_sync(unsigned long paddr,
}
}

-static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
+static int dma_nommu_map_sg(struct device *dev, struct scatterlist *sgl,
int nents, enum dma_data_direction direction,
unsigned long attrs)
{
@@ -89,12 +89,12 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
return nents;
}

-static int dma_direct_dma_supported(struct device *dev, u64 mask)
+static int dma_nommu_dma_supported(struct device *dev, u64 mask)
{
return 1;
}

-static inline dma_addr_t dma_direct_map_page(struct device *dev,
+static inline dma_addr_t dma_nommu_map_page(struct device *dev,
struct page *page,
unsigned long offset,
size_t size,
@@ -106,7 +106,7 @@ static inline dma_addr_t dma_direct_map_page(struct device *dev,
return page_to_phys(page) + offset;
}

-static inline void dma_direct_unmap_page(struct device *dev,
+static inline void dma_nommu_unmap_page(struct device *dev,
dma_addr_t dma_address,
size_t size,
enum dma_data_direction direction,
@@ -122,7 +122,7 @@ static inline void dma_direct_unmap_page(struct device *dev,
}

static inline void
-dma_direct_sync_single_for_cpu(struct device *dev,
+dma_nommu_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
@@ -136,7 +136,7 @@ dma_direct_sync_single_for_cpu(struct device *dev,
}

static inline void
-dma_direct_sync_single_for_device(struct device *dev,
+dma_nommu_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
@@ -150,7 +150,7 @@ dma_direct_sync_single_for_device(struct device *dev,
}

static inline void
-dma_direct_sync_sg_for_cpu(struct device *dev,
+dma_nommu_sync_sg_for_cpu(struct device *dev,
struct scatterlist *sgl, int nents,
enum dma_data_direction direction)
{
@@ -164,7 +164,7 @@ dma_direct_sync_sg_for_cpu(struct device *dev,
}

static inline void
-dma_direct_sync_sg_for_device(struct device *dev,
+dma_nommu_sync_sg_for_device(struct device *dev,
struct scatterlist *sgl, int nents,
enum dma_data_direction direction)
{
@@ -178,7 +178,7 @@ dma_direct_sync_sg_for_device(struct device *dev,
}

static
-int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
+int dma_nommu_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t handle, size_t size,
unsigned long attrs)
{
@@ -204,20 +204,20 @@ int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
#endif
}

-const struct dma_map_ops dma_direct_ops = {
- .alloc = dma_direct_alloc_coherent,
- .free = dma_direct_free_coherent,
- .mmap = dma_direct_mmap_coherent,
- .map_sg = dma_direct_map_sg,
- .dma_supported = dma_direct_dma_supported,
- .map_page = dma_direct_map_page,
- .unmap_page = dma_direct_unmap_page,
- .sync_single_for_cpu = dma_direct_sync_single_for_cpu,
- .sync_single_for_device = dma_direct_sync_single_for_device,
- .sync_sg_for_cpu = dma_direct_sync_sg_for_cpu,
- .sync_sg_for_device = dma_direct_sync_sg_for_device,
+const struct dma_map_ops dma_nommu_ops = {
+ .alloc = dma_nommu_alloc_coherent,
+ .free = dma_nommu_free_coherent,
+ .mmap = dma_nommu_mmap_coherent,
+ .map_sg = dma_nommu_map_sg,
+ .dma_supported = dma_nommu_dma_supported,
+ .map_page = dma_nommu_map_page,
+ .unmap_page = dma_nommu_unmap_page,
+ .sync_single_for_cpu = dma_nommu_sync_single_for_cpu,
+ .sync_single_for_device = dma_nommu_sync_single_for_device,
+ .sync_sg_for_cpu = dma_nommu_sync_sg_for_cpu,
+ .sync_sg_for_device = dma_nommu_sync_sg_for_device,
};
-EXPORT_SYMBOL(dma_direct_ops);
+EXPORT_SYMBOL(dma_nommu_ops);

/* Number of entries preallocated for DMA-API debugging */
#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
--
2.14.2