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authorJohn Ogness <john.ogness@linutronix.de>2018-02-02 04:16:21 -0600
committerJohn Ogness <john.ogness@linutronix.de>2018-02-20 14:58:35 +0100
commit4f6bfde86b5fd731beca11cf916f86aa31b1169f (patch)
treec0ab0708f811277257165b35750a257e8dd65067 /kernel-devel/module-basics/vain_plat/vain_plat_6.c
parenta9477375a86970e61b9d13317fdb7d0c862e7de9 (diff)
module-basics: add a slide for vain plat full example
With the device tree added, the full example no longer fits in 5 slides. Add a 6th slide to spread things out better. Signed-off-by: John Ogness <john.ogness@linutronix.de>
Diffstat (limited to 'kernel-devel/module-basics/vain_plat/vain_plat_6.c')
-rw-r--r--kernel-devel/module-basics/vain_plat/vain_plat_6.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/kernel-devel/module-basics/vain_plat/vain_plat_6.c b/kernel-devel/module-basics/vain_plat/vain_plat_6.c
new file mode 100644
index 0000000..3ba3d84
--- /dev/null
+++ b/kernel-devel/module-basics/vain_plat/vain_plat_6.c
@@ -0,0 +1,24 @@
+static int __init vain_plat_init(void)
+{
+ int err;
+
+ err = platform_driver_register(&vain_plat_driver);
+
+ if (!err)
+ printk(KERN_INFO "vain_plat_init: done\n");
+ return err;
+}
+
+static void __exit vain_plat_exit(void)
+{
+ platform_driver_unregister(&vain_plat_driver);
+ printk(KERN_INFO "vain_plat_exit: done\n");
+}
+
+module_init(vain_plat_init);
+module_exit(vain_plat_exit);
+
+MODULE_AUTHOR("Benedikt Spranger <b.spranger@linutronix.de>");
+MODULE_DESCRIPTION("a more or less useless platform module");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION("0815");