iommu/tegra: gart: Don't use managed resources

GART is a part of the Memory Controller driver that is always built-in,
hence there is no benefit from the use of managed resources.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index 71ff22b..2e0e6af 100644 (file)
--- a/drivers/iommu/tegra-gart.c
+++ b/drivers/iommu/tegra-gart.c
@@ -173,7 +173,7 @@ static int gart_iommu_attach_dev(struct iommu_domain *domain,
        struct gart_client *client, *c;
        int err = 0;
 
-       client = devm_kzalloc(gart->dev, sizeof(*c), GFP_KERNEL);
+       client = kzalloc(sizeof(*c), GFP_KERNEL);
        if (!client)
                return -ENOMEM;
        client->dev = dev;
@@ -199,7 +199,7 @@ static int gart_iommu_attach_dev(struct iommu_domain *domain,
        return 0;
 
 fail:
-       devm_kfree(gart->dev, client);
+       kfree(client);
        spin_unlock(&gart->client_lock);
        return err;
 }
@@ -214,7 +214,7 @@ static void __gart_iommu_detach_dev(struct iommu_domain *domain,
        list_for_each_entry(c, &gart->client, list) {
                if (c->dev == dev) {
                        list_del(&c->list);
-                       devm_kfree(gart->dev, c);
+                       kfree(c);
                        if (list_empty(&gart->client))
                                gart->active_domain = NULL;
                        dev_dbg(gart->dev, "Detached %s\n", dev_name(dev));
@@ -455,7 +455,7 @@ struct gart_device *tegra_gart_probe(struct device *dev, struct tegra_mc *mc)
                return ERR_PTR(-ENXIO);
        }
 
-       gart = devm_kzalloc(dev, sizeof(*gart), GFP_KERNEL);
+       gart = kzalloc(sizeof(*gart), GFP_KERNEL);
        if (!gart) {
                dev_err(dev, "failed to allocate gart_device\n");
                return ERR_PTR(-ENOMEM);
@@ -464,7 +464,7 @@ struct gart_device *tegra_gart_probe(struct device *dev, struct tegra_mc *mc)
        ret = iommu_device_sysfs_add(&gart->iommu, dev, NULL, "gart");
        if (ret) {
                dev_err(dev, "Failed to register IOMMU in sysfs\n");
-               return ERR_PTR(ret);
+               goto free_gart;
        }
 
        iommu_device_set_ops(&gart->iommu, &gart_iommu_ops);
@@ -502,6 +502,8 @@ unregister_iommu:
        iommu_device_unregister(&gart->iommu);
 remove_sysfs:
        iommu_device_sysfs_remove(&gart->iommu);
+free_gart:
+       kfree(gart);
 
        return ERR_PTR(ret);
 }