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Commit 6ebd8dac authored by Isaac J. Manjarres's avatar Isaac J. Manjarres Committed by Gerrit - the friendly Code Review server
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dma-mapping-fast: Add tracepoints for sg-list mapping functions 



Add tracepoints for fast_smmu_[map/unmap]_sg().

Change-Id: Id973840b3ccac52ff15e46d6973eb6bc7a7a8731
Signed-off-by: default avatarIsaac J. Manjarres <isaacm@codeaurora.org>
parent 74dea4a4

drivers/iommu/dma-mapping-fast.c

+3 −0
Original line number Diff line number Diff line
@@ -345,6 +345,8 @@ static int fast_smmu_map_sg(struct device *dev, struct scatterlist *sg, 
	if ((attrs & DMA_ATTR_SKIP_CPU_SYNC) == 0)

		fast_smmu_sync_sg_for_device(dev, sg, nents, dir);



	trace_map_sg(to_msm_iommu_domain(mapping->domain), iova, iova_len,

		     prot);

	return ret;

fail:

	iommu_dma_invalidate_sg(sg, nents);
@@ -383,6 +385,7 @@ static void fast_smmu_unmap_sg(struct device *dev, 
	spin_lock_irqsave(&mapping->lock, flags);

	__fast_smmu_free_iova(mapping, start, len);

	spin_unlock_irqrestore(&mapping->lock, flags);

	trace_unmap(to_msm_iommu_domain(mapping->domain), start, len, len);

}



static void __fast_smmu_free_pages(struct page **pages, int count)