Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0db2d3b8 authored by Patrick Daly's avatar Patrick Daly Committed by Liam Mark
Browse files

iommu: dma-mapping-fast: Add standard ftrace events 



Ensure fastmap users can be tracked through standard iommu
ftrace events.

Change-Id: I621982901a289877a81c9aba3786fc4667341bf1
Signed-off-by: default avatarPatrick Daly <pdaly@codeaurora.org>
parent 129a6739

drivers/iommu/dma-mapping-fast.c

+5 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/slab.h>

#include <linux/vmalloc.h>

#include <linux/pci.h>

#include <trace/events/iommu.h>



#include <soc/qcom/secure_buffer.h>

#include <linux/arm-smmu-errata.h>
@@ -405,6 +406,8 @@ static dma_addr_t fast_smmu_map_page(struct device *dev, struct page *page, 
	fast_dmac_clean_range(mapping, pmd, pmd + nptes);



	spin_unlock_irqrestore(&mapping->lock, flags);



	trace_map(mapping->domain, iova, phys_to_map, len, prot);

	return iova + offset_from_phys_to_map;



fail_free_iova:
@@ -436,6 +439,8 @@ static void fast_smmu_unmap_page(struct device *dev, dma_addr_t iova, 
	fast_dmac_clean_range(mapping, pmd, pmd + nptes);

	__fast_smmu_free_iova(mapping, iova - offset, len);

	spin_unlock_irqrestore(&mapping->lock, flags);



	trace_unmap(mapping->domain, iova - offset, len, len);

}



static void fast_smmu_sync_single_for_cpu(struct device *dev,