x86-64: update nommu to sg helpers
Acked-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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@ -5,6 +5,7 @@
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#include <linux/pci.h>
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#include <linux/string.h>
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#include <linux/dma-mapping.h>
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#include <linux/scatterlist.h>
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#include <asm/iommu.h>
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#include <asm/processor.h>
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@ -57,10 +58,10 @@ static void nommu_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
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static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
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int nents, int direction)
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{
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struct scatterlist *s;
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int i;
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for (i = 0; i < nents; i++ ) {
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struct scatterlist *s = &sg[i];
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for_each_sg(sg, s, nents, i) {
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BUG_ON(!s->page);
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s->dma_address = virt_to_bus(page_address(s->page) +s->offset);
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if (!check_addr("map_sg", hwdev, s->dma_address, s->length))
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