1 files changed, 23 insertions, 0 deletions
diff --git a/kernel-devel/module-basics/vain_plat/vain_plat_4.c b/kernel-devel/module-basics/vain_plat/vain_plat_4.c
new file mode 100644
index 0000000..93a480a
--- /dev/null
+++ b/kernel-devel/module-basics/vain_plat/vain_plat_4.c
@@ -0,0 +1,23 @@
+static int __devexit vain_plat_remove(struct platform_device *pdev)
+{
+	struct vain_plat_info *info = platform_get_drvdata(pdev);
+	struct resource *res;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	iounmap(info->base);
+	release_mem_region(res->start, resource_size(res));
+	platform_set_drvdata(pdev, NULL);
+
+	kfree (info);
+
+	return 0;
+}
+
+static struct platform_driver vain_plat_driver = {
+	.driver		= {
+		.name	= "vain_plat",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= vain_plat_probe,
+	.remove		= __devexit_p(vain_plat_remove),
+};