[PATCH 2/2] gpio: vf610: Support building gpio-vf610 driver as module

[haibo.chen@nxp.com]

From: Haibo Chen <haibo.chen@nxp.com>

To support Android GKI, need to build this driver as module.
So change the config as tristate type, and add module license.

Signed-off-by: Jindong Yue <jindong.yue@nxp.com>
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
---
 drivers/gpio/Kconfig      | 3 ++-
 drivers/gpio/gpio-vf610.c | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index ec7cfd4f52b1..53c35cc0ff73 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -680,7 +680,8 @@ config GPIO_UNIPHIER
 	  Say yes here to support UniPhier GPIOs.
 
 config GPIO_VF610
-	def_bool y
+	tristate "Vybrid vf610 GPIO support"
+	default y if ARCH_MXC
 	depends on ARCH_MXC
 	select GPIOLIB_IRQCHIP
 	help
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c
index a429176673e7..942932ce825a 100644
--- a/drivers/gpio/gpio-vf610.c
+++ b/drivers/gpio/gpio-vf610.c
@@ -15,6 +15,7 @@
 #include <linux/io.h>
 #include <linux/ioport.h>
 #include <linux/irq.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
@@ -355,3 +356,4 @@ static struct platform_driver vf610_gpio_driver = {
 };
 
 builtin_platform_driver(vf610_gpio_driver);
+MODULE_LICENSE("GPL");
-- 
2.34.1