Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild

[linux-2.6] / include / asm-ppc / io.h

diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 2bfdf9c98459e9ee28d98ccb90c3e638f0bc69be..84ac6e258eef723750fd0b7351ee249f5b3bbbee 100644 (file)
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -545,6 +545,23 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
 #include <asm/mpc8260_pci9.h>
 #endif
 
+#ifdef CONFIG_NOT_COHERENT_CACHE
+
+#define dma_cache_inv(_start,_size) \
+       invalidate_dcache_range(_start, (_start + _size))
+#define dma_cache_wback(_start,_size) \
+       clean_dcache_range(_start, (_start + _size))
+#define dma_cache_wback_inv(_start,_size) \
+       flush_dcache_range(_start, (_start + _size))
+
+#else
+
+#define dma_cache_inv(_start,_size)            do { } while (0)
+#define dma_cache_wback(_start,_size)          do { } while (0)
+#define dma_cache_wback_inv(_start,_size)      do { } while (0)
+
+#endif
+
 /*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem
  * access