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iommu/pamu: Convert to probe/release_device() call-backs 

Convert the PAMU IOMMU driver 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/20200429133712.31431-19-joro@8bytes.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2020-04-29 15:36:56 +02:00
parent cefa0d55da
commit 52dd3ca417
1 changed files with 5 additions and 17 deletions
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22
drivers/iommu/fsl_pamu_domain.c
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@ -1016,25 +1016,13 @@ static struct iommu_group *fsl_pamu_device_group(struct device *dev)
return group;
}
static int fsl_pamu_add_device(struct device *dev)
static struct iommu_device *fsl_pamu_probe_device(struct device *dev)
{
struct iommu_group *group;
group = iommu_group_get_for_dev(dev);
if (IS_ERR(group))
return PTR_ERR(group);
iommu_group_put(group);
iommu_device_link(&pamu_iommu, dev);
return 0;
return &pamu_iommu;
}
static void fsl_pamu_remove_device(struct device *dev)
static void fsl_pamu_release_device(struct device *dev)
{
iommu_device_unlink(&pamu_iommu, dev);
iommu_group_remove_device(dev);
}
static const struct iommu_ops fsl_pamu_ops = {
@ -1048,8 +1036,8 @@ static const struct iommu_ops fsl_pamu_ops = {
.iova_to_phys = fsl_pamu_iova_to_phys,
.domain_set_attr = fsl_pamu_set_domain_attr,
.domain_get_attr = fsl_pamu_get_domain_attr,
.add_device = fsl_pamu_add_device,
.remove_device = fsl_pamu_remove_device,
.probe_device = fsl_pamu_probe_device,
.release_device = fsl_pamu_release_device,
.device_group = fsl_pamu_device_group,
};