Linux-libre 4.5-gnu

4 files changed, 5 insertions, 133 deletions

diff --git a/arch/blackfin/include/asm/barrier.h b/arch/blackfin/include/asm/barrier.h
index dfb66fe88..7cca51cae 100644
--- a/arch/blackfin/include/asm/barrier.h
+++ b/arch/blackfin/include/asm/barrier.h
@@ -78,8 +78,8 @@
 
 #endif /* !CONFIG_SMP */
 
-#define smp_mb__before_atomic()	barrier()
-#define smp_mb__after_atomic()	barrier()
+#define __smp_mb__before_atomic()	barrier()
+#define __smp_mb__after_atomic()	barrier()
 
 #include <asm-generic/barrier.h>
 
diff --git a/arch/blackfin/include/asm/cmpxchg.h b/arch/blackfin/include/asm/cmpxchg.h
index c05868cc6..253928854 100644
--- a/arch/blackfin/include/asm/cmpxchg.h
+++ b/arch/blackfin/include/asm/cmpxchg.h
@@ -128,6 +128,5 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
 #endif /* !CONFIG_SMP */
 
 #define xchg(ptr, x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
-#define tas(ptr) ((void)xchg((ptr), 1))
 
 #endif /* __ARCH_BLACKFIN_CMPXCHG__ */
diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h
index 054d9ec57..3490570aa 100644
--- a/arch/blackfin/include/asm/dma-mapping.h
+++ b/arch/blackfin/include/asm/dma-mapping.h
@@ -8,36 +8,6 @@
 #define _BLACKFIN_DMA_MAPPING_H
 
 #include <asm/cacheflush.h>
-struct scatterlist;
-
-void *dma_alloc_coherent(struct device *dev, size_t size,
-			 dma_addr_t *dma_handle, gfp_t gfp);
-void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
-		       dma_addr_t dma_handle);
-
-/*
- * Now for the API extensions over the pci_ one
- */
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-#define dma_supported(d, m)         (1)
-
-static inline int
-dma_set_mask(struct device *dev, u64 dma_mask)
-{
-	if (!dev->dma_mask || !dma_supported(dev, dma_mask))
-		return -EIO;
-
-	*dev->dma_mask = dma_mask;
-
-	return 0;
-}
-
-static inline int
-dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
-	return 0;
-}
 
 extern void
 __dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir);
@@ -66,102 +36,11 @@ _dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir)
 		__dma_sync(addr, size, dir);
 }
 
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *ptr, size_t size,
-	       enum dma_data_direction dir)
-{
-	_dma_sync((dma_addr_t)ptr, size, dir);
-	return (dma_addr_t) ptr;
-}
-
-static inline dma_addr_t
-dma_map_page(struct device *dev, struct page *page,
-	     unsigned long offset, size_t size,
-	     enum dma_data_direction dir)
-{
-	return dma_map_single(dev, page_address(page) + offset, size, dir);
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-		 enum dma_data_direction dir)
-{
-	BUG_ON(!valid_dma_direction(dir));
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,
-	       enum dma_data_direction dir)
-{
-	dma_unmap_single(dev, dma_addr, size, dir);
-}
+extern struct dma_map_ops bfin_dma_ops;
 
-extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-		      enum dma_data_direction dir);
-
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg,
-	     int nhwentries, enum dma_data_direction dir)
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
 {
-	BUG_ON(!valid_dma_direction(dir));
+	return &bfin_dma_ops;
 }
 
-static inline void
-dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t handle,
-			      unsigned long offset, size_t size,
-			      enum dma_data_direction dir)
-{
-	BUG_ON(!valid_dma_direction(dir));
-}
-
-static inline void
-dma_sync_single_range_for_device(struct device *dev, dma_addr_t handle,
-				 unsigned long offset, size_t size,
-				 enum dma_data_direction dir)
-{
-	_dma_sync(handle + offset, size, dir);
-}
-
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size,
-			enum dma_data_direction dir)
-{
-	dma_sync_single_range_for_cpu(dev, handle, 0, size, dir);
-}
-
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size,
-			   enum dma_data_direction dir)
-{
-	dma_sync_single_range_for_device(dev, handle, 0, size, dir);
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents,
-		    enum dma_data_direction dir)
-{
-	BUG_ON(!valid_dma_direction(dir));
-}
-
-extern void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
-		       int nents, enum dma_data_direction dir);
-
-static inline void
-dma_cache_sync(struct device *dev, void *vaddr, size_t size,
-	       enum dma_data_direction dir)
-{
-	_dma_sync((dma_addr_t)vaddr, size, dir);
-}
-
-/* drivers/base/dma-mapping.c */
-extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
-			   void *cpu_addr, dma_addr_t dma_addr, size_t size);
-extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
-				  void *cpu_addr, dma_addr_t dma_addr,
-				  size_t size);
-
-#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
-#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
-
 #endif				/* _BLACKFIN_DMA_MAPPING_H */
diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index 90612a7f2..12f5d6851 100644
--- a/arch/blackfin/include/asm/uaccess.h
+++ b/arch/blackfin/include/asm/uaccess.h
@@ -168,12 +168,6 @@ static inline int bad_user_access_length(void)
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 
-#define copy_to_user_ret(to, from, n, retval) ({ if (copy_to_user(to, from, n))\
-				                 return retval; })
-
-#define copy_from_user_ret(to, from, n, retval) ({ if (copy_from_user(to, from, n))\
-                                                   return retval; })
-
 static inline unsigned long __must_check
 copy_from_user(void *to, const void __user *from, unsigned long n)
 {