Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86

[linux-2.6] / include / asm-sh64 / dma-mapping.h

diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h
index d505f357f819b61e96023d09e36fae1c2fa2b725..e661857f98dc8e83bf60bc181e35c4464b343a57 100644 (file)
--- a/include/asm-sh64/dma-mapping.h
+++ b/include/asm-sh64/dma-mapping.h
@@ -42,7 +42,11 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
 static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                                  enum dma_data_direction dir)
 {
-       dma_cache_wback_inv((unsigned long)vaddr, size);
+       unsigned long s = (unsigned long) vaddr & L1_CACHE_ALIGN_MASK;
+       unsigned long e = (vaddr + size) & L1_CACHE_ALIGN_MASK;
+
+       for (; s <= e; s += L1_CACHE_BYTES)
+               asm volatile ("ocbp     %0, 0" : : "r" (s));
 }
 
 static inline dma_addr_t dma_map_single(struct device *dev,
@@ -141,6 +145,24 @@ static inline void dma_sync_single_for_device(struct device *dev,
        dma_sync_single(dev, dma_handle, size, dir);
 }
 
+static inline void dma_sync_single_range_for_cpu(struct device *dev,
+                                                dma_addr_t dma_handle,
+                                                unsigned long offset,
+                                                size_t size,
+                                                enum dma_data_direction direction)
+{
+       dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
+}
+
+static inline void dma_sync_single_range_for_device(struct device *dev,
+                                                   dma_addr_t dma_handle,
+                                                   unsigned long offset,
+                                                   size_t size,
+                                                   enum dma_data_direction direction)
+{
+       dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
+}
+
 static inline void dma_sync_sg_for_cpu(struct device *dev,
                                       struct scatterlist *sg, int nelems,
                                       enum dma_data_direction dir)