diff options
Diffstat (limited to 'arch/arm/common/dmabounce.c')
| -rw-r--r-- | arch/arm/common/dmabounce.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 9b1b7be2ec0e..9a92de63426f 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -33,6 +33,7 @@ #include <linux/scatterlist.h> #include <asm/cacheflush.h> +#include <asm/dma-iommu.h> #undef STATS @@ -256,7 +257,7 @@ static inline dma_addr_t map_single(struct device *dev, void *ptr, size_t size, if (buf == NULL) { dev_err(dev, "%s: unable to map unsafe buffer %p!\n", __func__, ptr); - return DMA_ERROR_CODE; + return ARM_MAPPING_ERROR; } dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x) mapped to %p (dma=%#x)\n", @@ -326,7 +327,7 @@ static dma_addr_t dmabounce_map_page(struct device *dev, struct page *page, ret = needs_bounce(dev, dma_addr, size); if (ret < 0) - return DMA_ERROR_CODE; + return ARM_MAPPING_ERROR; if (ret == 0) { arm_dma_ops.sync_single_for_device(dev, dma_addr, size, dir); @@ -335,7 +336,7 @@ static dma_addr_t dmabounce_map_page(struct device *dev, struct page *page, if (PageHighMem(page)) { dev_err(dev, "DMA buffer bouncing of HIGHMEM pages is not supported\n"); - return DMA_ERROR_CODE; + return ARM_MAPPING_ERROR; } return map_single(dev, page_address(page) + offset, size, dir, attrs); @@ -444,12 +445,17 @@ static void dmabounce_sync_for_device(struct device *dev, arm_dma_ops.sync_single_for_device(dev, handle, size, dir); } -static int dmabounce_set_mask(struct device *dev, u64 dma_mask) +static int dmabounce_dma_supported(struct device *dev, u64 dma_mask) { if (dev->archdata.dmabounce) return 0; - return arm_dma_ops.set_dma_mask(dev, dma_mask); + return arm_dma_ops.dma_supported(dev, dma_mask); +} + +static int dmabounce_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + return arm_dma_ops.mapping_error(dev, dma_addr); } static const struct dma_map_ops dmabounce_ops = { @@ -465,7 +471,8 @@ static const struct dma_map_ops dmabounce_ops = { .unmap_sg = arm_dma_unmap_sg, .sync_sg_for_cpu = arm_dma_sync_sg_for_cpu, .sync_sg_for_device = arm_dma_sync_sg_for_device, - .set_dma_mask = dmabounce_set_mask, + .dma_supported = dmabounce_dma_supported, + .mapping_error = dmabounce_mapping_error, }; static int dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev, |