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Commit f1dda415 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "dma-mapping-fast: Fix sg-list length calculation in fast_smmu_unmap_sg()"

parents 713f0247 8cf0085b

drivers/iommu/dma-mapping-fast.c

+3 −2
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.

 * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.

 */



#include <linux/dma-contiguous.h>
@@ -477,7 +477,8 @@ static void fast_smmu_unmap_sg(struct device *dev, 
			break;

		sg = tmp;

	}

	len = sg_dma_address(sg) + sg_dma_len(sg) - start;

	len = ALIGN(sg_dma_address(sg) + sg_dma_len(sg) - start,

		    FAST_PAGE_SIZE);



	av8l_fast_unmap_public(mapping->pgtbl_ops, start, len);