diff options
| author | Joerg Roedel <jroedel@suse.de> | 2017-02-03 13:23:42 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2017-02-10 14:53:46 +0100 |
| commit | d2c302b6e8b1a5c0735b59d63075132bae9c52ac (patch) | |
| tree | 8de8ead76f4ee15b63ecbfdebbeeeae7fada0952 /drivers/iommu | |
| parent | b16c0170b53cfbf50db6cd60a427b52b0602b882 (diff) | |
| download | linux-d2c302b6e8b1a5c0735b59d63075132bae9c52ac.tar.bz2 | |
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>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/exynos-iommu.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 57ba0d3091ea..64325d8ddd40 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -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); |