X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fmm%2Fdma-noncoherent.c;h=cd4ea8474f89377fd3c7fef67e5ba85563d02178;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=9895e32b0fceca7d37899a096f62cd18d78f6c42;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/arch/mips/mm/dma-noncoherent.c b/arch/mips/mm/dma-noncoherent.c index 9895e32b0..cd4ea8474 100644 --- a/arch/mips/mm/dma-noncoherent.c +++ b/arch/mips/mm/dma-noncoherent.c @@ -24,7 +24,7 @@ */ void *dma_alloc_noncoherent(struct device *dev, size_t size, - dma_addr_t * dma_handle, int gfp) + dma_addr_t * dma_handle, gfp_t gfp) { void *ret; /* ignore region specifiers */ @@ -45,7 +45,7 @@ void *dma_alloc_noncoherent(struct device *dev, size_t size, EXPORT_SYMBOL(dma_alloc_noncoherent); void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t * dma_handle, int gfp) + dma_addr_t * dma_handle, gfp_t gfp) { void *ret; @@ -105,22 +105,7 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, { unsigned long addr = (unsigned long) ptr; - switch (direction) { - case DMA_TO_DEVICE: - dma_cache_wback(addr, size); - break; - - case DMA_FROM_DEVICE: - dma_cache_inv(addr, size); - break; - - case DMA_BIDIRECTIONAL: - dma_cache_wback_inv(addr, size); - break; - - default: - BUG(); - } + __dma_sync(addr, size, direction); return virt_to_phys(ptr); } @@ -133,22 +118,7 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, unsigned long addr; addr = dma_addr + PAGE_OFFSET; - switch (direction) { - case DMA_TO_DEVICE: - //dma_cache_wback(addr, size); - break; - - case DMA_FROM_DEVICE: - //dma_cache_inv(addr, size); - break; - - case DMA_BIDIRECTIONAL: - //dma_cache_wback_inv(addr, size); - break; - - default: - BUG(); - } + //__dma_sync(addr, size, direction); } EXPORT_SYMBOL(dma_unmap_single); @@ -162,12 +132,13 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, for (i = 0; i < nents; i++, sg++) { unsigned long addr; - + addr = (unsigned long) page_address(sg->page); - if (addr) + if (addr) { __dma_sync(addr + sg->offset, sg->length, direction); - sg->dma_address = (dma_addr_t) - (page_to_phys(sg->page) + sg->offset); + sg->dma_address = (dma_addr_t)page_to_phys(sg->page) + + sg->offset; + } } return nents; @@ -218,9 +189,8 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, for (i = 0; i < nhwentries; i++, sg++) { addr = (unsigned long) page_address(sg->page); - if (!addr) - continue; - dma_cache_wback_inv(addr + sg->offset, sg->length); + if (addr) + __dma_sync(addr + sg->offset, sg->length, direction); } } @@ -230,9 +200,9 @@ void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) { unsigned long addr; - + BUG_ON(direction == DMA_NONE); - + addr = dma_handle + PAGE_OFFSET; __dma_sync(addr, size, direction); } @@ -282,9 +252,9 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction) { int i; - + BUG_ON(direction == DMA_NONE); - + /* Make sure that gcc doesn't leave the empty loop body. */ for (i = 0; i < nelems; i++, sg++) __dma_sync((unsigned long)page_address(sg->page),