diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-08-22 13:15:59 -0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-09-25 11:48:23 +0200 |
| commit | a62cafe124b3b91ce85d17c036552b59c1243011 (patch) | |
| tree | fcb4f3453d092d82873351b3fec8d90e86dfad09 /drivers/iommu | |
| parent | 4f43b6b6d1e025ecac792298d67a7c6c11334cfc (diff) | |
iommu/sprd: Convert to generic_single_device_group()
Use the new helper.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/4-v1-c869a95191f2+5e8-iommu_single_grp_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/sprd-iommu.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c index 0642f0a3a32a..9c33ea6903f6 100644 --- a/drivers/iommu/sprd-iommu.c +++ b/drivers/iommu/sprd-iommu.c @@ -70,7 +70,6 @@ struct sprd_iommu_device { void __iomem *base; struct device *dev; struct iommu_device iommu; - struct iommu_group *group; struct clk *eb; }; @@ -396,13 +395,6 @@ static struct iommu_device *sprd_iommu_probe_device(struct device *dev) return &sdev->iommu; } -static struct iommu_group *sprd_iommu_device_group(struct device *dev) -{ - struct sprd_iommu_device *sdev = dev_iommu_priv_get(dev); - - return iommu_group_ref_get(sdev->group); -} - static int sprd_iommu_of_xlate(struct device *dev, struct of_phandle_args *args) { struct platform_device *pdev; @@ -420,7 +412,7 @@ static int sprd_iommu_of_xlate(struct device *dev, struct of_phandle_args *args) static const struct iommu_ops sprd_iommu_ops = { .domain_alloc_paging = sprd_iommu_domain_alloc_paging, .probe_device = sprd_iommu_probe_device, - .device_group = sprd_iommu_device_group, + .device_group = generic_single_device_group, .of_xlate = sprd_iommu_of_xlate, .pgsize_bitmap = SPRD_IOMMU_PAGE_SIZE, .owner = THIS_MODULE, @@ -493,16 +485,9 @@ static int sprd_iommu_probe(struct platform_device *pdev) platform_set_drvdata(pdev, sdev); sdev->dev = dev; - /* All the client devices are in the same iommu-group */ - sdev->group = iommu_group_alloc(); - if (IS_ERR(sdev->group)) { - ret = PTR_ERR(sdev->group); - goto free_page; - } - ret = iommu_device_sysfs_add(&sdev->iommu, dev, NULL, dev_name(dev)); if (ret) - goto put_group; + goto free_page; ret = iommu_device_register(&sdev->iommu, &sprd_iommu_ops, dev); if (ret) @@ -527,8 +512,6 @@ unregister_iommu: iommu_device_unregister(&sdev->iommu); remove_sysfs: iommu_device_sysfs_remove(&sdev->iommu); -put_group: - iommu_group_put(sdev->group); free_page: dma_free_coherent(sdev->dev, SPRD_IOMMU_PAGE_SIZE, sdev->prot_page_va, sdev->prot_page_pa); return ret; @@ -540,9 +523,6 @@ static void sprd_iommu_remove(struct platform_device *pdev) dma_free_coherent(sdev->dev, SPRD_IOMMU_PAGE_SIZE, sdev->prot_page_va, sdev->prot_page_pa); - iommu_group_put(sdev->group); - sdev->group = NULL; - platform_set_drvdata(pdev, NULL); iommu_device_sysfs_remove(&sdev->iommu); iommu_device_unregister(&sdev->iommu); |