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microblaze: rename dma_direct to dma_nommu 

This frees the dma_direct_* namespace for a generic implementation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
hifive-unleashed-5.1
Christoph Hellwig 2018-01-09 16:29:53 +01:00
parent 2d9d6f6c9e
commit 7e05c19afb
2 changed files with 26 additions and 26 deletions
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4
arch/microblaze/include/asm/dma-mapping.h
View File

@ -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 */

48
arch/microblaze/kernel/dma.c
View File

@ -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)