[17/67] microblaze: rename dma_direct to dma_microblaze

Commit Message

Christoph Hellwig Dec. 29, 2017, 8:18 a.m. UTC

This frees the dma_direct_* namespace for a generic implementation.

Signed-off-by: Christoph Hellwig <[e-mail]>
---
 arch/microblaze/include/asm/dma-mapping.h |  4 +--
 arch/microblaze/kernel/dma.c              | 50 +++++++++++++++----------------
 2 files changed, 27 insertions(+), 27 deletions(-)

Comments

Julian Calaby Dec. 29, 2017, 10:11 a.m. UTC | #1

Hi Christoph,

On Fri, Dec 29, 2017 at 7:18 PM, Christoph Hellwig <[e-mail]> wrote:
> This frees the dma_direct_* namespace for a generic implementation.

Don't you mean "dma_nommu" not "dma_microblaze" in the subject line?

Thanks,

Christoph Hellwig Jan. 4, 2018, 8:45 a.m. UTC | #2

On Fri, Dec 29, 2017 at 09:11:56PM +1100, Julian Calaby wrote:
> Hi Christoph,
> 
> On Fri, Dec 29, 2017 at 7:18 PM, Christoph Hellwig <[e-mail]> wrote:
> > This frees the dma_direct_* namespace for a generic implementation.
> 
> Don't you mean "dma_nommu" not "dma_microblaze" in the subject line?

Yes, thanks.

Patch

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 2a9a0ec14c46..364b0ac41452 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)
 {
@@ -204,21 +204,21 @@  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,
-	.is_phys	= true,
+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,
+	.is_phys		= true,
 };
-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)