MA-17422-6 gpio: Allow GPIO_MXC to be loadable as module

Allows imx gpio driver to be loaded as module.

Signed-off-by: zhang sanshan <pete.zhang@nxp.com>
Reviewed-by: Fugang Duan <fugang.duan@nxp.com>

drivers/gpio/Kconfig

@@ -378,7 +378,8 @@ config GPIO_MVEBU
 	select REGMAP_MMIO
 
 config GPIO_MXC
-	def_bool y
+	tristate "NXP MXC GPIO Support"
+	default y
 	depends on ARCH_MXC
 	select GPIO_GENERIC
 	select GENERIC_IRQ_CHIP

drivers/gpio/gpio-mxc.c

@@ -15,6 +15,7 @@
 #include <linux/irq.h>
 #include <linux/irqdomain.h>
 #include <linux/irqchip/chained_irq.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
@@ -896,3 +897,4 @@ static int __init gpio_mxc_init(void)
 	return platform_driver_register(&mxc_gpio_driver);
 }
 subsys_initcall(gpio_mxc_init);
+MODULE_LICENSE("GPL v2");