From 622a9edd919de98ef59571ae6c40c7458244e3f2 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 16 Oct 2007 23:29:42 -0700 Subject: Remove dma_cache_(wback|inv|wback_inv) functions dma_cache_(wback|inv|wback_inv) were the earliest attempt on a generalized cache managment API for I/O purposes. Originally it was basically the raw MIPS low level cache API exported to the entire world. The API has suffered from a lack of documentation, was not very widely used unlike it's more modern brothers and can easily be replaced by dma_cache_sync. So remove it rsp. turn the surviving bits back into an arch private API, as discussed on linux-arch. Signed-off-by: Ralf Baechle Acked-by: Paul Mundt Acked-by: Paul Mackerras Acked-by: David S. Miller Acked-by: Kyle McMartin Acked-by: Haavard Skinnemoen Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-sh64/dma-mapping.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'include/asm-sh64/dma-mapping.h') diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h index de4309960207..e661857f98dc 100644 --- a/include/asm-sh64/dma-mapping.h +++ b/include/asm-sh64/dma-mapping.h @@ -42,7 +42,11 @@ static inline void dma_free_coherent(struct device *dev, size_t size, static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction dir) { - dma_cache_wback_inv((unsigned long)vaddr, size); + unsigned long s = (unsigned long) vaddr & L1_CACHE_ALIGN_MASK; + unsigned long e = (vaddr + size) & L1_CACHE_ALIGN_MASK; + + for (; s <= e; s += L1_CACHE_BYTES) + asm volatile ("ocbp %0, 0" : : "r" (s)); } static inline dma_addr_t dma_map_single(struct device *dev, -- cgit v1.2.3