iommu/exynos: Make use of iommu_device_register interface
Register Exynos IOMMUs to the IOMMU core and make them visible in sysfs. This patch does not add the links between IOMMUs and translated devices yet. Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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@ -276,6 +276,8 @@ struct sysmmu_drvdata {
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struct list_head owner_node; /* node for owner controllers list */
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phys_addr_t pgtable; /* assigned page table structure */
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unsigned int version; /* our version */
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struct iommu_device iommu; /* IOMMU core handle */
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};
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static struct exynos_iommu_domain *to_exynos_domain(struct iommu_domain *dom)
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@ -611,6 +613,18 @@ static int __init exynos_sysmmu_probe(struct platform_device *pdev)
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data->sysmmu = dev;
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spin_lock_init(&data->lock);
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ret = iommu_device_sysfs_add(&data->iommu, &pdev->dev, NULL,
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dev_name(data->sysmmu));
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if (ret)
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return ret;
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iommu_device_set_ops(&data->iommu, &exynos_iommu_ops);
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iommu_device_set_fwnode(&data->iommu, &dev->of_node->fwnode);
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ret = iommu_device_register(&data->iommu);
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if (ret)
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return ret;
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platform_set_drvdata(pdev, data);
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__sysmmu_get_version(data);
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