microblaze: Moved __dma_sync() to dma-mapping.h

__dma_sync_page() was replaced by __dma_sync(), and parameters of calls to
the new function were adjusted to match __dma_sync()'s format.

Signed-off-by: Eli Billauer <eli.billauer@gmail.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>

1 files changed, 18 insertions, 2 deletions

diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h
index 8fbb0ec10233..cddeca59a63a 100644
--- a/arch/microblaze/include/asm/dma-mapping.h
+++ b/arch/microblaze/include/asm/dma-mapping.h
@@ -28,12 +28,12 @@
 #include <linux/dma-attrs.h>
 #include <asm/io.h>
 #include <asm-generic/dma-coherent.h>
+#include <asm/cacheflush.h>
 
 #define DMA_ERROR_CODE          (~(dma_addr_t)0x0)
 
 #define __dma_alloc_coherent(dev, gfp, size, handle)    NULL
 #define __dma_free_coherent(size, addr)         ((void)0)
-#define __dma_sync(addr, size, rw)              ((void)0)
 
 static inline unsigned long device_to_mask(struct device *dev)
 {
@@ -95,6 +95,22 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
 
 #include <asm-generic/dma-mapping-common.h>
 
+static inline void __dma_sync(unsigned long paddr,
+                              size_t size, enum dma_data_direction direction)
+{
+        switch (direction) {
+        case DMA_TO_DEVICE:
+        case DMA_BIDIRECTIONAL:
+                flush_dcache_range(paddr, paddr + size);
+                break;
+        case DMA_FROM_DEVICE:
+                invalidate_dcache_range(paddr, paddr + size);
+                break;
+        default:
+                BUG();
+        }
+}
+
 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
         struct dma_map_ops *ops = get_dma_ops(dev);
@@ -135,7 +151,7 @@ static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                 enum dma_data_direction direction)
 {
         BUG_ON(direction == DMA_NONE);
-        __dma_sync(vaddr, size, (int)direction);
+        __dma_sync(virt_to_phys(vaddr), size, (int)direction);
 }
 
 #endif  /* _ASM_MICROBLAZE_DMA_MAPPING_H */