diff options
Diffstat (limited to 'include/asm-mips/io.h')
| -rw-r--r-- | include/asm-mips/io.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h index bc9390c2a..7d97af3f6 100644 --- a/include/asm-mips/io.h +++ b/include/asm-mips/io.h @@ -6,6 +6,8 @@ */ #undef CONF_SLOWDOWN_IO +#include <linux/config.h> + #include <asm/mipsconfig.h> #include <asm/addrspace.h> @@ -377,19 +379,24 @@ __OUTS(w,l,4) /* * The caches on some architectures aren't dma-coherent and have need to - * handle this in software. There are two types of operations that + * handle this in software. There are three types of operations that * can be applied to dma buffers. * * - dma_cache_wback_inv(start, size) makes caches and coherent by * writing the content of the caches back to memory, if necessary. * The function also invalidates the affected part of the caches as * necessary before DMA transfers from outside to memory. + * - dma_cache_wback(start, size) makes caches and coherent by + * writing the content of the caches back to memory, if necessary. + * The function also invalidates the affected part of the caches as + * necessary before DMA transfers from outside to memory. * - dma_cache_inv(start, size) invalidates the affected parts of the * caches. Dirty lines of the caches may be written back or simply * be discarded. This operation is necessary before dma operations * to the memory. */ extern void (*dma_cache_wback_inv)(unsigned long start, unsigned long size); +extern void (*dma_cache_wback)(unsigned long start, unsigned long size); extern void (*dma_cache_inv)(unsigned long start, unsigned long size); #endif /* __ASM_MIPS_IO_H */ |