Commit d2c302b6 authored by Joerg Roedel's avatar Joerg Roedel

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: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Tested-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent b16c0170
......@@ -276,6 +276,8 @@ struct sysmmu_drvdata {
struct list_head owner_node; /* node for owner controllers list */
phys_addr_t pgtable; /* assigned page table structure */
unsigned int version; /* our version */
struct iommu_device iommu; /* IOMMU core handle */
};
static struct exynos_iommu_domain *to_exynos_domain(struct iommu_domain *dom)
......@@ -611,6 +613,18 @@ static int __init exynos_sysmmu_probe(struct platform_device *pdev)
data->sysmmu = dev;
spin_lock_init(&data->lock);
ret = iommu_device_sysfs_add(&data->iommu, &pdev->dev, NULL,
dev_name(data->sysmmu));
if (ret)
return ret;
iommu_device_set_ops(&data->iommu, &exynos_iommu_ops);
iommu_device_set_fwnode(&data->iommu, &dev->of_node->fwnode);
ret = iommu_device_register(&data->iommu);
if (ret)
return ret;
platform_set_drvdata(pdev, data);
__sysmmu_get_version(data);
......
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