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authorJoerg Roedel <jroedel@suse.de>2020-04-29 15:37:04 +0200
committerJoerg Roedel <jroedel@suse.de>2020-05-05 14:36:14 +0200
commitb287ba73789906fc4f4ee821e1014b13e2814849 (patch)
tree1cf94671c7802af64d8e98e7d9f315ed1810cf94 /drivers/iommu/tegra-gart.c
parentd8260443245dc8e504c3ecde5e86972f5be2b43e (diff)
iommu/tegra: Convert to probe/release_device() call-backs
Convert the Tegra IOMMU drivers to use the probe_device() and release_device() call-backs of iommu_ops, so that the iommu core code does the group and sysfs setup. Signed-off-by: Joerg Roedel <jroedel@suse.de> Link: https://lore.kernel.org/r/20200429133712.31431-27-joro@8bytes.org Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/tegra-gart.c')
-rw-r--r--drivers/iommu/tegra-gart.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index db6559e8336f..5fbdff6ff41a 100644
--- a/drivers/iommu/tegra-gart.c
+++ b/drivers/iommu/tegra-gart.c
@@ -243,28 +243,16 @@ static bool gart_iommu_capable(enum iommu_cap cap)
return false;
}
-static int gart_iommu_add_device(struct device *dev)
+static struct iommu_device *gart_iommu_probe_device(struct device *dev)
{
- struct iommu_group *group;
-
if (!dev_iommu_fwspec_get(dev))
- return -ENODEV;
-
- group = iommu_group_get_for_dev(dev);
- if (IS_ERR(group))
- return PTR_ERR(group);
-
- iommu_group_put(group);
+ return ERR_PTR(-ENODEV);
- iommu_device_link(&gart_handle->iommu, dev);
-
- return 0;
+ return &gart_handle->iommu;
}
-static void gart_iommu_remove_device(struct device *dev)
+static void gart_iommu_release_device(struct device *dev)
{
- iommu_group_remove_device(dev);
- iommu_device_unlink(&gart_handle->iommu, dev);
}
static int gart_iommu_of_xlate(struct device *dev,
@@ -290,8 +278,8 @@ static const struct iommu_ops gart_iommu_ops = {
.domain_free = gart_iommu_domain_free,
.attach_dev = gart_iommu_attach_dev,
.detach_dev = gart_iommu_detach_dev,
- .add_device = gart_iommu_add_device,
- .remove_device = gart_iommu_remove_device,
+ .probe_device = gart_iommu_probe_device,
+ .release_device = gart_iommu_release_device,
.device_group = generic_device_group,
.map = gart_iommu_map,
.unmap = gart_iommu_unmap,