[PATCH 1/3] gpio: mxc: Support module build

[Anson Huang <Anson.Huang@xxxxxxx>]

Change config to tristate, add module device table, module author,
description and license to support module build for i.MX GPIO driver.

Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
---
 drivers/gpio/Kconfig    | 2 +-
 drivers/gpio/gpio-mxc.c | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 05e0801..4d09ec5 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -397,7 +397,7 @@ config GPIO_MVEBU
 	select REGMAP_MMIO
 
 config GPIO_MXC
-	def_bool y
+	tristate "i.MX GPIO support"
 	depends on ARCH_MXC || COMPILE_TEST
 	select GPIO_GENERIC
 	select GENERIC_IRQ_CHIP
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index 64278a4..643f4c55 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/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/slab.h>
 #include <linux/syscore_ops.h>
@@ -158,6 +159,7 @@ static const struct of_device_id mxc_gpio_dt_ids[] = {
 	{ .compatible = "fsl,imx7d-gpio", .data = &mxc_gpio_devtype[IMX35_GPIO], },
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, mxc_gpio_dt_ids);
 
 /*
  * MX2 has one interrupt *for all* gpio ports. The list is used
@@ -604,3 +606,7 @@ static int __init gpio_mxc_init(void)
 	return platform_driver_register(&mxc_gpio_driver);
 }
 subsys_initcall(gpio_mxc_init);
+
+MODULE_AUTHOR("Shawn Guo <shawn.guo@xxxxxxxxxx>");
+MODULE_DESCRIPTION("i.MX GPIO Driver");
+MODULE_LICENSE("GPL");
-- 
2.7.4