diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 2f171d14b9b5..5faebe0365c5 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -1123,4 +1123,5 @@ module_init(lp_init_module);
 module_exit(lp_cleanup_module);
 
 MODULE_ALIAS_CHARDEV_MAJOR(LP_MAJOR);
+MODULE_DESCRIPTION("Generic parallel printer driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index e9f694b36871..9eff426a9286 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -540,6 +540,7 @@ static void __exit nvram_module_exit(void)
 module_init(nvram_module_init);
 module_exit(nvram_module_exit);
 
+MODULE_DESCRIPTION("CMOS/NV-RAM driver for Linux");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(NVRAM_MINOR);
 MODULE_ALIAS("devname:nvram");
diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index 4c806a189ee5..d7f841ab4323 100644
--- a/drivers/char/ttyprintk.c
+++ b/drivers/char/ttyprintk.c
@@ -228,4 +228,5 @@ static void __exit ttyprintk_exit(void)
 device_initcall(ttyprintk_init);
 module_exit(ttyprintk_exit);
 
+MODULE_DESCRIPTION("TTY driver to output user messages via printk");
 MODULE_LICENSE("GPL");