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iommu/rockchip: Convert to generic_single_device_group()

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Use the new helper.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/5-v1-c869a95191f2+5e8-iommu_single_grp_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Jason Gunthorpe 2023-08-22 13:16:00 -03:00 committed by Joerg Roedel
parent a62cafe124
commit ef0f48c6be
1 changed files with 2 additions and 20 deletions
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22
drivers/iommu/rockchip-iommu.c
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@ -113,7 +113,6 @@ struct rk_iommu {
struct iommu_device iommu;
struct list_head node; /* entry in rk_iommu_domain.iommus */
struct iommu_domain *domain; /* domain to which iommu is attached */
struct iommu_group *group;
};
struct rk_iommudata {
@ -1137,15 +1136,6 @@ static void rk_iommu_release_device(struct device *dev)
device_link_del(data->link);
}
static struct iommu_group *rk_iommu_device_group(struct device *dev)
{
struct rk_iommu *iommu;
iommu = rk_iommu_from_dev(dev);
return iommu_group_ref_get(iommu->group);
}
static int rk_iommu_of_xlate(struct device *dev,
struct of_phandle_args *args)
{
@ -1172,7 +1162,7 @@ static const struct iommu_ops rk_iommu_ops = {
.domain_alloc_paging = rk_iommu_domain_alloc_paging,
.probe_device = rk_iommu_probe_device,
.release_device = rk_iommu_release_device,
.device_group = rk_iommu_device_group,
.device_group = generic_single_device_group,
.pgsize_bitmap = RK_IOMMU_PGSIZE_BITMAP,
.of_xlate = rk_iommu_of_xlate,
.default_domain_ops = &(const struct iommu_domain_ops) {
@ -1260,15 +1250,9 @@ static int rk_iommu_probe(struct platform_device *pdev)
if (err)
return err;
iommu->group = iommu_group_alloc();
if (IS_ERR(iommu->group)) {
err = PTR_ERR(iommu->group);
goto err_unprepare_clocks;
}
err = iommu_device_sysfs_add(&iommu->iommu, dev, NULL, dev_name(dev));
if (err)
goto err_put_group;
goto err_unprepare_clocks;
err = iommu_device_register(&iommu->iommu, &rk_iommu_ops, dev);
if (err)
@ -1305,8 +1289,6 @@ err_pm_disable:
pm_runtime_disable(dev);
err_remove_sysfs:
iommu_device_sysfs_remove(&iommu->iommu);
err_put_group:
iommu_group_put(iommu->group);
err_unprepare_clocks:
clk_bulk_unprepare(iommu->num_clocks, iommu->clocks);
return err;