diff --git a/drivers/gpio/gpio-gw-pld.c b/drivers/gpio/gpio-gw-pld.c
index 899335da93c7..7e29a2d8de1a 100644
--- a/drivers/gpio/gpio-gw-pld.c
+++ b/drivers/gpio/gpio-gw-pld.c
@@ -130,5 +130,6 @@ static struct i2c_driver gw_pld_driver = {
 };
 module_i2c_driver(gw_pld_driver);
 
+MODULE_DESCRIPTION("Gateworks I2C PLD GPIO expander");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>");
diff --git a/drivers/gpio/gpio-mc33880.c b/drivers/gpio/gpio-mc33880.c
index cd9b16dbe1a9..94f6fefc011b 100644
--- a/drivers/gpio/gpio-mc33880.c
+++ b/drivers/gpio/gpio-mc33880.c
@@ -168,5 +168,6 @@ static void __exit mc33880_exit(void)
 module_exit(mc33880_exit);
 
 MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
+MODULE_DESCRIPTION("MC33880 high-side/low-side switch GPIO driver");
 MODULE_LICENSE("GPL v2");
 
diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c
index 53b69abe6787..7c57eaeb0afe 100644
--- a/drivers/gpio/gpio-pcf857x.c
+++ b/drivers/gpio/gpio-pcf857x.c
@@ -438,5 +438,6 @@ static void __exit pcf857x_exit(void)
 }
 module_exit(pcf857x_exit);
 
+MODULE_DESCRIPTION("Driver for pcf857x, pca857x, and pca967x I2C GPIO expanders");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Brownell");
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index 9fc1f3dd4190..a211a02d4b4a 100644
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -438,4 +438,5 @@ static struct amba_driver pl061_gpio_driver = {
 };
 module_amba_driver(pl061_gpio_driver);
 
+MODULE_DESCRIPTION("Driver for the ARM PrimeCell(tm) General Purpose Input/Output (PL061)");
 MODULE_LICENSE("GPL v2");