Blackfin arch: fix a compiling warning about dma-mapping
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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@ -160,7 +160,8 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
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BUG_ON(direction == DMA_NONE);
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for (i = 0; i < nents; i++, sg++) {
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sg->dma_address = page_address(sg->page) + sg->offset;
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sg->dma_address = (dma_addr_t)(page_address(sg->page) +
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sg->offset);
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invalidate_dcache_range(sg_dma_address(sg),
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sg_dma_address(sg) +
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