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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-12-12 14:08:45 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-12-12 14:08:45 +0100
commitcfbbc7703fff59c67761c93a8b1de29a79f9841c (patch)
tree58b4b37bed385b27fc5956435b2451c760f26f5f /drivers/iommu
parent5f3fecbc0715a70437501e1d85e74726c4f561be (diff)
parent1aa861ff238ecd17a3095b0dbd2d20bdf7bfaf14 (diff)
Merge tag 'v4.9.144' into 4.9-2.3.x-imx
This is the 4.9.144 stable release
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd_iommu.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 0c910a863581..bba1b9f2f782 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -288,7 +288,13 @@ static u16 get_alias(struct device *dev)
/* The callers make sure that get_device_id() does not fail here */
devid = get_device_id(dev);
+
+ /* For ACPI HID devices, we simply return the devid as such */
+ if (!dev_is_pci(dev))
+ return devid;
+
ivrs_alias = amd_iommu_alias_table[devid];
+
pci_for_each_dma_alias(pdev, __last_alias, &pci_alias);
if (ivrs_alias == pci_alias)
@@ -2452,9 +2458,9 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
}
if (amd_iommu_unmap_flush) {
- dma_ops_free_iova(dma_dom, dma_addr, pages);
domain_flush_tlb(&dma_dom->domain);
domain_flush_complete(&dma_dom->domain);
+ dma_ops_free_iova(dma_dom, dma_addr, pages);
} else {
queue_add(dma_dom, dma_addr, pages);
}