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Commit d2c302b6 authored by Joerg Roedel's avatar Joerg Roedel
Browse files

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

drivers/iommu/exynos-iommu.c

+14 −0
Original line number Diff line number Diff line
@@ -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);