Merge commit 'tip/iommu-for-powerpc' into next

3 files changed, 0 insertions, 22 deletions

diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h
index 5406a601185c..e694263445f7 100644
--- a/include/asm-generic/dma-mapping-common.h
+++ b/include/asm-generic/dma-mapping-common.h
@@ -103,7 +103,6 @@ static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t addr,
         if (ops->sync_single_for_cpu)
                 ops->sync_single_for_cpu(dev, addr, size, dir);
         debug_dma_sync_single_for_cpu(dev, addr, size, dir);
-        flush_write_buffers();
 }
 
 static inline void dma_sync_single_for_device(struct device *dev,
@@ -116,7 +115,6 @@ static inline void dma_sync_single_for_device(struct device *dev,
         if (ops->sync_single_for_device)
                 ops->sync_single_for_device(dev, addr, size, dir);
         debug_dma_sync_single_for_device(dev, addr, size, dir);
-        flush_write_buffers();
 }
 
 static inline void dma_sync_single_range_for_cpu(struct device *dev,
@@ -132,7 +130,6 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
                 ops->sync_single_range_for_cpu(dev, addr, offset, size, dir);
                 debug_dma_sync_single_range_for_cpu(dev, addr, offset, size, dir);
 
-                flush_write_buffers();
         } else
                 dma_sync_single_for_cpu(dev, addr, size, dir);
 }
@@ -150,7 +147,6 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
                 ops->sync_single_range_for_device(dev, addr, offset, size, dir);
                 debug_dma_sync_single_range_for_device(dev, addr, offset, size, dir);
 
-                flush_write_buffers();
         } else
                 dma_sync_single_for_device(dev, addr, size, dir);
 }
@@ -165,7 +161,6 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
         if (ops->sync_sg_for_cpu)
                 ops->sync_sg_for_cpu(dev, sg, nelems, dir);
         debug_dma_sync_sg_for_cpu(dev, sg, nelems, dir);
-        flush_write_buffers();
 }
 
 static inline void
@@ -179,7 +174,6 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
                 ops->sync_sg_for_device(dev, sg, nelems, dir);
         debug_dma_sync_sg_for_device(dev, sg, nelems, dir);
 
-        flush_write_buffers();
 }
 
 #define dma_map_single(d, a, s, r) dma_map_single_attrs(d, a, s, r, NULL)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 07dfd460d286..c0f6c3cd788c 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -98,11 +98,6 @@ static inline int is_device_dma_capable(struct device *dev)
         return dev->dma_mask != NULL && *dev->dma_mask != DMA_MASK_NONE;
 }
 
-static inline int is_buffer_dma_capable(u64 mask, dma_addr_t addr, size_t size)
-{
-        return addr + size <= mask;
-}
-
 #ifdef CONFIG_HAS_DMA
 #include <asm/dma-mapping.h>
 #else
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index cb1a6631b8f4..73b1f1cec423 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -14,7 +14,6 @@ struct scatterlist;
  */
 #define IO_TLB_SEGSIZE  128
 
-
 /*
  * log of the size of each IO TLB slab.  The number of slabs is command line
  * controllable.
@@ -24,16 +23,6 @@ struct scatterlist;
 extern void
 swiotlb_init(void);
 
-extern void *swiotlb_alloc_boot(size_t bytes, unsigned long nslabs);
-extern void *swiotlb_alloc(unsigned order, unsigned long nslabs);
-
-extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev,
-                                      phys_addr_t address);
-extern phys_addr_t swiotlb_bus_to_phys(struct device *hwdev,
-                                       dma_addr_t address);
-
-extern int swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size);
-
 extern void
 *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
                         dma_addr_t *dma_handle, gfp_t flags);