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path: root/drivers/iommu/amd_iommu.c
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Diffstat (limited to 'drivers/iommu/amd_iommu.c')
-rw-r--r--drivers/iommu/amd_iommu.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 689d88fa29a6..4fee2fdbef3e 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -445,6 +445,7 @@ static void init_iommu_group(struct device *dev)
static int iommu_init_device(struct device *dev)
{
struct iommu_dev_data *dev_data;
+ struct amd_iommu *iommu;
int devid;
if (dev->archdata.iommu)
@@ -454,6 +455,8 @@ static int iommu_init_device(struct device *dev)
if (devid < 0)
return devid;
+ iommu = amd_iommu_rlookup_table[devid];
+
dev_data = find_dev_data(devid);
if (!dev_data)
return -ENOMEM;
@@ -469,8 +472,7 @@ static int iommu_init_device(struct device *dev)
dev->archdata.iommu = dev_data;
- iommu_device_link(amd_iommu_rlookup_table[dev_data->devid]->iommu_dev,
- dev);
+ iommu_device_link(&iommu->iommu.dev, dev);
return 0;
}
@@ -495,13 +497,16 @@ static void iommu_ignore_device(struct device *dev)
static void iommu_uninit_device(struct device *dev)
{
- int devid;
struct iommu_dev_data *dev_data;
+ struct amd_iommu *iommu;
+ int devid;
devid = get_device_id(dev);
if (devid < 0)
return;
+ iommu = amd_iommu_rlookup_table[devid];
+
dev_data = search_dev_data(devid);
if (!dev_data)
return;
@@ -509,8 +514,7 @@ static void iommu_uninit_device(struct device *dev)
if (dev_data->domain)
detach_device(dev);
- iommu_device_unlink(amd_iommu_rlookup_table[dev_data->devid]->iommu_dev,
- dev);
+ iommu_device_unlink(&iommu->iommu.dev, dev);
iommu_group_remove_device(dev);