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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/io.h | |
| parent | f365cfd0d8b6d8fb3583d23d48f54efa88ee8563 (diff) | |
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/io.h')
| -rw-r--r-- | include/asm-ppc/io.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h index 2bfdf9c9845..84ac6e258ee 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 |