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authorStephen Rothwell <sfr@canb.auug.org.au>2005-11-19 00:33:56 +1100
committerStephen Rothwell <sfr@canb.auug.org.au>2005-11-19 01:48:33 +1100
commit78baa2f8ad53968ff82ad9827b7793b3f46cba0e (patch)
tree24da1067859554f3833c98cd7212da46e2862b51 /include/asm-ppc
parentf365cfd0d8b6d8fb3583d23d48f54efa88ee8563 (diff)
downloadlwn-78baa2f8ad53968ff82ad9827b7793b3f46cba0e.tar.gz
lwn-78baa2f8ad53968ff82ad9827b7793b3f46cba0e.zip
ppc32: move some dma routines
Every other architecture define dma_cache_{inv,wback,wback_inv} in asm/io.h and doing so brings us closer to ppc64. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'include/asm-ppc')
-rw-r--r--include/asm-ppc/dma-mapping.h10
-rw-r--r--include/asm-ppc/io.h17
2 files changed, 17 insertions, 10 deletions
diff --git a/include/asm-ppc/dma-mapping.h b/include/asm-ppc/dma-mapping.h
index 6e9635114433..798602620e87 100644
--- a/include/asm-ppc/dma-mapping.h
+++ b/include/asm-ppc/dma-mapping.h
@@ -24,22 +24,12 @@ extern void __dma_free_coherent(size_t size, void *vaddr);
extern void __dma_sync(void *vaddr, size_t size, int direction);
extern void __dma_sync_page(struct page *page, unsigned long offset,
size_t size, int direction);
-#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 /* ! CONFIG_NOT_COHERENT_CACHE */
/*
* Cache coherent cores.
*/
-#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)
-
#define __dma_alloc_coherent(gfp, size, handle) NULL
#define __dma_free_coherent(size, addr) do { } while (0)
#define __dma_sync(addr, size, rw) do { } while (0)
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 2bfdf9c98459..84ac6e258eef 100644
--- 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