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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2005-11-19 00:33:56 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2005-11-19 01:48:33 +1100 |
| commit | 78baa2f8ad53968ff82ad9827b7793b3f46cba0e (patch) | |
| tree | 24da1067859554f3833c98cd7212da46e2862b51 /include/asm-ppc | |
| parent | f365cfd0d8b6d8fb3583d23d48f54efa88ee8563 (diff) | |
| download | lwn-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.h | 10 | ||||
| -rw-r--r-- | include/asm-ppc/io.h | 17 |
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 |