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path: root/drivers/iommu/qcom_iommu.c
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Diffstat (limited to 'drivers/iommu/qcom_iommu.c')
-rw-r--r--drivers/iommu/qcom_iommu.c24
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c
index 5b3b270972f8..c3e1fbd1988c 100644
--- a/drivers/iommu/qcom_iommu.c
+++ b/drivers/iommu/qcom_iommu.c
@@ -524,14 +524,13 @@ static bool qcom_iommu_capable(enum iommu_cap cap)
}
}
-static int qcom_iommu_add_device(struct device *dev)
+static struct iommu_device *qcom_iommu_probe_device(struct device *dev)
{
struct qcom_iommu_dev *qcom_iommu = to_iommu(dev);
- struct iommu_group *group;
struct device_link *link;
if (!qcom_iommu)
- return -ENODEV;
+ return ERR_PTR(-ENODEV);
/*
* Establish the link between iommu and master, so that the
@@ -542,28 +541,19 @@ static int qcom_iommu_add_device(struct device *dev)
if (!link) {
dev_err(qcom_iommu->dev, "Unable to create device link between %s and %s\n",
dev_name(qcom_iommu->dev), dev_name(dev));
- return -ENODEV;
+ return ERR_PTR(-ENODEV);
}
- group = iommu_group_get_for_dev(dev);
- if (IS_ERR(group))
- return PTR_ERR(group);
-
- iommu_group_put(group);
- iommu_device_link(&qcom_iommu->iommu, dev);
-
- return 0;
+ return &qcom_iommu->iommu;
}
-static void qcom_iommu_remove_device(struct device *dev)
+static void qcom_iommu_release_device(struct device *dev)
{
struct qcom_iommu_dev *qcom_iommu = to_iommu(dev);
if (!qcom_iommu)
return;
- iommu_device_unlink(&qcom_iommu->iommu, dev);
- iommu_group_remove_device(dev);
iommu_fwspec_free(dev);
}
@@ -619,8 +609,8 @@ static const struct iommu_ops qcom_iommu_ops = {
.flush_iotlb_all = qcom_iommu_flush_iotlb_all,
.iotlb_sync = qcom_iommu_iotlb_sync,
.iova_to_phys = qcom_iommu_iova_to_phys,
- .add_device = qcom_iommu_add_device,
- .remove_device = qcom_iommu_remove_device,
+ .probe_device = qcom_iommu_probe_device,
+ .release_device = qcom_iommu_release_device,
.device_group = generic_device_group,
.of_xlate = qcom_iommu_of_xlate,
.pgsize_bitmap = SZ_4K | SZ_64K | SZ_1M | SZ_16M,