diff --git a/arch/sparc/kernel/ptrace.c b/arch/sparc/kernel/ptrace.c
index fe562db..7452269 100644
--- a/arch/sparc/kernel/ptrace.c
+++ b/arch/sparc/kernel/ptrace.c
@@ -5,7 +5,7 @@
  * Based upon code written by Ross Biro, Linus Torvalds, Bob Manson,
  * and David Mosberger.
  *
- * Added Linux support -miguel (weird, eh?, the orignal code was meant
+ * Added Linux support -miguel (weird, eh?, the original code was meant
  * to emulate SunOS).
  */
 
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index 9546ba9..e752e75 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -850,7 +850,7 @@
 /* How the Tomatillo IRQs are routed around is pure guesswork here.
  *
  * All the Tomatillo devices I see in prtconf dumps seem to have only
- * a single PCI bus unit attached to it.  It would seem they are seperate
+ * a single PCI bus unit attached to it.  It would seem they are separate
  * devices because their PortID (ie. JBUS ID) values are all different
  * and thus the registers are mapped to totally different locations.
  *
diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h
index 1fc6554..38cbec7 100644
--- a/include/asm-sparc64/dma-mapping.h
+++ b/include/asm-sparc64/dma-mapping.h
@@ -25,15 +25,9 @@
 	void (*sync_single_for_cpu)(struct device *dev,
 				    dma_addr_t dma_handle, size_t size,
 				    enum dma_data_direction direction);
-	void (*sync_single_for_device)(struct device *dev,
-				       dma_addr_t dma_handle, size_t size,
-				       enum dma_data_direction direction);
 	void (*sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg,
 				int nelems,
 				enum dma_data_direction direction);
-	void (*sync_sg_for_device)(struct device *dev, struct scatterlist *sg,
-				   int nelems,
-				   enum dma_data_direction direction);
 };
 extern const struct dma_ops *dma_ops;
 
@@ -105,7 +99,7 @@
 					      size_t size,
 					      enum dma_data_direction direction)
 {
-	dma_ops->sync_single_for_device(dev, dma_handle, size, direction);
+	/* No flushing needed to sync cpu writes to the device.  */
 }
 
 static inline void dma_sync_single_range_for_cpu(struct device *dev,
@@ -123,7 +117,7 @@
 						    size_t size,
 						    enum dma_data_direction direction)
 {
-	dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
+	/* No flushing needed to sync cpu writes to the device.  */
 }
 
 
@@ -138,7 +132,7 @@
 					  struct scatterlist *sg, int nelems,
 					  enum dma_data_direction direction)
 {
-	dma_ops->sync_sg_for_device(dev, sg, nelems, direction);
+	/* No flushing needed to sync cpu writes to the device.  */
 }
 
 static inline int dma_mapping_error(dma_addr_t dma_addr)