memory: tegra30-emc: Make driver modular

[linux-2.6-microblaze.git] / drivers / memory / tegra / tegra30-emc.c

diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c
index 1be28e2..d092608 100644 (file)
--- a/drivers/memory/tegra/tegra30-emc.c
+++ b/drivers/memory/tegra/tegra30-emc.c
@@ -1330,6 +1330,13 @@ static int tegra_emc_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, emc);
        tegra_emc_debugfs_init(emc);
 
+       /*
+        * Don't allow the kernel module to be unloaded. Unloading adds some
+        * extra complexity which doesn't really worth the effort in a case of
+        * this driver.
+        */
+       try_module_get(THIS_MODULE);
+
        return 0;
 
 unset_cb:
@@ -1380,6 +1387,7 @@ static const struct of_device_id tegra_emc_of_match[] = {
        { .compatible = "nvidia,tegra30-emc", },
        {},
 };
+MODULE_DEVICE_TABLE(of, tegra_emc_of_match);
 
 static struct platform_driver tegra_emc_driver = {
        .probe = tegra_emc_probe,
@@ -1390,9 +1398,8 @@ static struct platform_driver tegra_emc_driver = {
                .suppress_bind_attrs = true,
        },
 };
+module_platform_driver(tegra_emc_driver);
 
-static int __init tegra_emc_init(void)
-{
-       return platform_driver_register(&tegra_emc_driver);
-}
-subsys_initcall(tegra_emc_init);
+MODULE_AUTHOR("Dmitry Osipenko <digetx@gmail.com>");
+MODULE_DESCRIPTION("NVIDIA Tegra30 EMC driver");
+MODULE_LICENSE("GPL v2");