22 files changed, 0 insertions, 68 deletions

diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt
index 05e2ae236865..fe2326906610 100644
--- a/Documentation/DMA-API.txt
+++ b/Documentation/DMA-API.txt
@@ -456,12 +456,6 @@ be identical to those passed in (and returned by
 dma_alloc_noncoherent()).
 
 int
-dma_is_consistent(struct device *dev, dma_addr_t dma_handle)
-
-Returns true if the device dev is performing consistent DMA on the memory
-area pointed to by the dma_handle.
-
-int
 dma_get_cache_alignment(void)
 
 Returns the processor cache alignment.  This is the absolute minimum
diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h
index b3423d96acc7..4567aca6fdd6 100644
--- a/arch/alpha/include/asm/dma-mapping.h
+++ b/arch/alpha/include/asm/dma-mapping.h
@@ -41,7 +41,6 @@ static inline int dma_set_mask(struct device *dev, u64 mask)
 
 #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_is_consistent(d, h)                 (1)
 
 #define dma_cache_sync(dev, va, size, dir)                ((void)0)
 
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index f4a996d5ae96..c568da7dcae4 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -144,11 +144,6 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
         return 0;
 }
 
-static inline int dma_is_consistent(struct device *dev, dma_addr_t handle)
-{
-        return !!arch_is_coherent();
-}
-
 /*
  * DMA errors are defined by all-bits-set in the DMA address.
  */
diff --git a/arch/avr32/include/asm/dma-mapping.h b/arch/avr32/include/asm/dma-mapping.h
index af6b81655074..aaf5199d8fcb 100644
--- a/arch/avr32/include/asm/dma-mapping.h
+++ b/arch/avr32/include/asm/dma-mapping.h
@@ -336,9 +336,4 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
 #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)
 
-static inline int dma_is_consistent(struct device *dev, dma_addr_t dma_addr)
-{
-        return 1;
-}
-
 #endif /* __ASM_AVR32_DMA_MAPPING_H */
diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h
index 6694a0f55de9..bbf461076a0a 100644
--- a/arch/blackfin/include/asm/dma-mapping.h
+++ b/arch/blackfin/include/asm/dma-mapping.h
@@ -21,7 +21,6 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
 #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)
-#define dma_is_consistent(d, h)     (1)
 
 static inline int
 dma_set_mask(struct device *dev, u64 dma_mask)
diff --git a/arch/cris/include/asm/dma-mapping.h b/arch/cris/include/asm/dma-mapping.h
index fc30fd0b2a04..8588b2ccf854 100644
--- a/arch/cris/include/asm/dma-mapping.h
+++ b/arch/cris/include/asm/dma-mapping.h
@@ -152,8 +152,6 @@ dma_set_mask(struct device *dev, u64 mask)
         return 0;
 }
 
-#define dma_is_consistent(d, h) (1)
-
 static inline void
 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                enum dma_data_direction direction)
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h
index 7b05ce14177e..dfb811002c64 100644
--- a/arch/frv/include/asm/dma-mapping.h
+++ b/arch/frv/include/asm/dma-mapping.h
@@ -125,8 +125,6 @@ int dma_set_mask(struct device *dev, u64 mask)
         return 0;
 }
 
-#define dma_is_consistent(d, h) (1)
-
 static inline
 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                     enum dma_data_direction direction)
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index 8d52deed3750..a2e7368a0150 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -97,6 +97,4 @@ dma_cache_sync (struct device *dev, void *vaddr, size_t size,
         mb();
 }
 
-#define dma_is_consistent(d, h) (1)     /* all we do is coherent memory... */
-
 #endif /* _ASM_IA64_DMA_MAPPING_H */
diff --git a/arch/m68k/include/asm/dma-mapping.h b/arch/m68k/include/asm/dma-mapping.h
index a1ae732c7247..17f7a45948ea 100644
--- a/arch/m68k/include/asm/dma-mapping.h
+++ b/arch/m68k/include/asm/dma-mapping.h
@@ -16,11 +16,6 @@ static inline int dma_set_mask(struct device *dev, u64 mask)
         return 0;
 }
 
-static inline int dma_is_consistent(struct device *dev, dma_addr_t dma_addr)
-{
-        return 0;
-}
-
 extern void *dma_alloc_coherent(struct device *, size_t,
                                 dma_addr_t *, gfp_t);
 extern void dma_free_coherent(struct device *, size_t,
diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h
index 21df7cbae65e..8fbb0ec10233 100644
--- a/arch/microblaze/include/asm/dma-mapping.h
+++ b/arch/microblaze/include/asm/dma-mapping.h
@@ -106,7 +106,6 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 
 #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_is_consistent(d, h) (1)
 
 static inline void *dma_alloc_coherent(struct device *dev, size_t size,
                                         dma_addr_t *dma_handle, gfp_t flag)
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index d724a15f0438..18fbf7af8e93 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -62,8 +62,6 @@ dma_set_mask(struct device *dev, u64 mask)
         return 0;
 }
 
-extern int dma_is_consistent(struct device *dev, dma_addr_t dma_addr);
-
 extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                enum dma_data_direction direction);
 
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 9547bc0cf188..7ba890860d98 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -357,13 +357,6 @@ int dma_supported(struct device *dev, u64 mask)
 
 EXPORT_SYMBOL(dma_supported);
 
-int dma_is_consistent(struct device *dev, dma_addr_t dma_addr)
-{
-        return plat_device_is_coherent(dev);
-}
-
-EXPORT_SYMBOL(dma_is_consistent);
-
 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                enum dma_data_direction direction)
 {
diff --git a/arch/mn10300/include/asm/dma-mapping.h b/arch/mn10300/include/asm/dma-mapping.h
index 8d452a657795..c1be4397b1ed 100644
--- a/arch/mn10300/include/asm/dma-mapping.h
+++ b/arch/mn10300/include/asm/dma-mapping.h
@@ -161,8 +161,6 @@ int dma_set_mask(struct device *dev, u64 mask)
         return 0;
 }
 
-#define dma_is_consistent(d)    (1)
-
 static inline
 void dma_cache_sync(void *vaddr, size_t size,
                     enum dma_data_direction direction)
diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h
index 44d3f62ccf9d..4ef73b09b168 100644
--- a/arch/parisc/include/asm/dma-mapping.h
+++ b/arch/parisc/include/asm/dma-mapping.h
@@ -184,12 +184,6 @@ dma_set_mask(struct device *dev, u64 mask)
         return 0;
 }
 
-static inline int
-dma_is_consistent(struct device *dev, dma_addr_t dma_addr)
-{
-        return (hppa_dma_ops->dma_sync_single_for_cpu == NULL);
-}
-
 static inline void
 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                enum dma_data_direction direction)
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index a77ba280af04..8c9c6ad2004e 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -209,11 +209,6 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
 
 #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)
-#ifdef CONFIG_NOT_COHERENT_CACHE
-#define dma_is_consistent(d, h) (0)
-#else
-#define dma_is_consistent(d, h) (1)
-#endif
 
 static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                 enum dma_data_direction direction)
diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
index 6bb5cc9decf8..1a73c3e759a7 100644
--- a/arch/sh/include/asm/dma-mapping.h
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -42,12 +42,6 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 #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)
 
-#ifdef CONFIG_DMA_COHERENT
-#define dma_is_consistent(d, h) (1)
-#else
-#define dma_is_consistent(d, h) (0)
-#endif
-
 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
         struct dma_map_ops *ops = get_dma_ops(dev);
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 74db853ec2cf..8c0e4f7bb204 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -11,7 +11,6 @@ extern int dma_supported(struct device *dev, u64 mask);
 
 #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_is_consistent(d, h) (1)
 
 extern struct dma_map_ops *dma_ops, pci32_dma_ops;
 extern struct bus_type pci_bus_type;
diff --git a/arch/tile/include/asm/dma-mapping.h b/arch/tile/include/asm/dma-mapping.h
index 1326b910fec6..15e1dceecc64 100644
--- a/arch/tile/include/asm/dma-mapping.h
+++ b/arch/tile/include/asm/dma-mapping.h
@@ -90,6 +90,4 @@ dma_set_mask(struct device *dev, u64 mask)
         return 0;
 }
 
-#define dma_is_consistent(d, h) (1)
-
 #endif /* _ASM_TILE_DMA_MAPPING_H */
diff --git a/arch/um/include/asm/dma-mapping.h b/arch/um/include/asm/dma-mapping.h
index b948c14a7867..17a2cb5a4178 100644
--- a/arch/um/include/asm/dma-mapping.h
+++ b/arch/um/include/asm/dma-mapping.h
@@ -94,7 +94,6 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
 
 #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_is_consistent(d, h) (1)
 
 static inline int
 dma_get_cache_alignment(void)
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index f9c67e83f648..d4c419f883a0 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -54,7 +54,6 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 
 #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_is_consistent(d, h) (1)
 
 extern int dma_supported(struct device *hwdev, u64 mask);
 extern int dma_set_mask(struct device *dev, u64 mask);
diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h
index 7104f2f9823e..492c95790ad5 100644
--- a/arch/xtensa/include/asm/dma-mapping.h
+++ b/arch/xtensa/include/asm/dma-mapping.h
@@ -161,8 +161,6 @@ dma_set_mask(struct device *dev, u64 mask)
         return 0;
 }
 
-#define dma_is_consistent(d, h) (1)
-
 static inline void
 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                enum dma_data_direction direction)
diff --git a/include/asm-generic/dma-mapping-broken.h b/include/asm-generic/dma-mapping-broken.h
index 82cd0cb1c3fe..ccf7b4f34a3c 100644
--- a/include/asm-generic/dma-mapping-broken.h
+++ b/include/asm-generic/dma-mapping-broken.h
@@ -72,9 +72,6 @@ dma_set_mask(struct device *dev, u64 mask);
 extern int
 dma_get_cache_alignment(void);
 
-extern int
-dma_is_consistent(struct device *dev, dma_addr_t dma_handle);
-
 extern void
 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                enum dma_data_direction direction);