gpio: davinci: add support of module build

Added module build support for the davinci gpio driver

Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
Signed-off-by: Nicolas Frayer <nfrayer@baylibre.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 4bfedb0109a764963abe9f08e7a9e0a92ef56346..ec7cfd4f52b1eac199ffb9c58199ad6e64d6c138 100644 (file)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -228,7 +228,7 @@ config GPIO_CLPS711X
          Say yes here to support GPIO on CLPS711X SoCs.
 
 config GPIO_DAVINCI
-       bool "TI Davinci/Keystone GPIO support"
+       tristate "TI Davinci/Keystone GPIO support"
        default y if ARCH_DAVINCI
        depends on (ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3)
        help

diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 1018860c83c27eb2339023eeaedce0eff5c6b97f..fa51a91afa54fd28dff649198bc8218cf9d6fc9f 100644 (file)
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -727,3 +727,14 @@ static int __init davinci_gpio_drv_reg(void)
        return platform_driver_register(&davinci_gpio_driver);
 }
 postcore_initcall(davinci_gpio_drv_reg);
+
+static void __exit davinci_gpio_exit(void)
+{
+       platform_driver_unregister(&davinci_gpio_driver);
+}
+module_exit(davinci_gpio_exit);
+
+MODULE_AUTHOR("Jan Kotas <jank@cadence.com>");
+MODULE_DESCRIPTION("DAVINCI GPIO driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:gpio-davinci");