diff options
Diffstat (limited to 'arch/mips/mm/dma-default.c')
-rw-r--r-- | arch/mips/mm/dma-default.c | 42 |
1 files changed, 13 insertions, 29 deletions
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index bed56f1ac83..7e48e76148a 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -20,9 +20,10 @@ #include <dma-coherence.h> -static inline unsigned long dma_addr_to_virt(dma_addr_t dma_addr) +static inline unsigned long dma_addr_to_virt(struct device *dev, + dma_addr_t dma_addr) { - unsigned long addr = plat_dma_addr_to_phys(dma_addr); + unsigned long addr = plat_dma_addr_to_phys(dev, dma_addr); return (unsigned long)phys_to_virt(addr); } @@ -111,7 +112,7 @@ EXPORT_SYMBOL(dma_alloc_coherent); void dma_free_noncoherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle) { - plat_unmap_dma_mem(dev, dma_handle); + plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL); free_pages((unsigned long) vaddr, get_order(size)); } @@ -122,7 +123,7 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr, { unsigned long addr = (unsigned long) vaddr; - plat_unmap_dma_mem(dev, dma_handle); + plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL); if (!plat_device_is_coherent(dev)) addr = CAC_ADDR(addr); @@ -170,10 +171,10 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction) { if (cpu_is_noncoherent_r10000(dev)) - __dma_sync(dma_addr_to_virt(dma_addr), size, + __dma_sync(dma_addr_to_virt(dev, dma_addr), size, direction); - plat_unmap_dma_mem(dev, dma_addr); + plat_unmap_dma_mem(dev, dma_addr, size, direction); } EXPORT_SYMBOL(dma_unmap_single); @@ -209,7 +210,7 @@ dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long addr; addr = (unsigned long) page_address(page) + offset; - dma_cache_wback_inv(addr, size); + __dma_sync(addr, size, direction); } return plat_map_dma_mem_page(dev, page) + offset; @@ -217,23 +218,6 @@ dma_addr_t dma_map_page(struct device *dev, struct page *page, EXPORT_SYMBOL(dma_map_page); -void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); - - if (!plat_device_is_coherent(dev) && direction != DMA_TO_DEVICE) { - unsigned long addr; - - addr = dma_addr_to_virt(dma_address); - dma_cache_wback_inv(addr, size); - } - - plat_unmap_dma_mem(dev, dma_address); -} - -EXPORT_SYMBOL(dma_unmap_page); - void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, enum dma_data_direction direction) { @@ -249,7 +233,7 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, if (addr) __dma_sync(addr, sg->length, direction); } - plat_unmap_dma_mem(dev, sg->dma_address); + plat_unmap_dma_mem(dev, sg->dma_address, sg->length, direction); } } @@ -263,7 +247,7 @@ void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, if (cpu_is_noncoherent_r10000(dev)) { unsigned long addr; - addr = dma_addr_to_virt(dma_handle); + addr = dma_addr_to_virt(dev, dma_handle); __dma_sync(addr, size, direction); } } @@ -279,7 +263,7 @@ void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, if (!plat_device_is_coherent(dev)) { unsigned long addr; - addr = dma_addr_to_virt(dma_handle); + addr = dma_addr_to_virt(dev, dma_handle); __dma_sync(addr, size, direction); } } @@ -294,7 +278,7 @@ void dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle, if (cpu_is_noncoherent_r10000(dev)) { unsigned long addr; - addr = dma_addr_to_virt(dma_handle); + addr = dma_addr_to_virt(dev, dma_handle); __dma_sync(addr + offset, size, direction); } } @@ -310,7 +294,7 @@ void dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle, if (!plat_device_is_coherent(dev)) { unsigned long addr; - addr = dma_addr_to_virt(dma_handle); + addr = dma_addr_to_virt(dev, dma_handle); __dma_sync(addr + offset, size, direction); } } |