diff options
Diffstat (limited to 'include/asm-sh64/dma-mapping.h')
| -rw-r--r-- | include/asm-sh64/dma-mapping.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h index de430996020..1438b763a5e 100644 --- a/include/asm-sh64/dma-mapping.h +++ b/include/asm-sh64/dma-mapping.h @@ -2,7 +2,7 @@ #define __ASM_SH_DMA_MAPPING_H #include <linux/mm.h> -#include <asm/scatterlist.h> +#include <linux/scatterlist.h> #include <asm/io.h> struct pci_dev; @@ -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, @@ -67,10 +71,9 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, for (i = 0; i < nents; i++) { #if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT) - dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset, - sg[i].length, dir); + dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir); #endif - sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset; + sg[i].dma_address = sg_phys(&sg[i]); } return nents; @@ -120,10 +123,9 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg, for (i = 0; i < nelems; i++) { #if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT) - dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset, - sg[i].length, dir); + dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir); #endif - sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset; + sg[i].dma_address = sg_phys(&sg[i]); } } |