From: Jindong Yue <jindong.yue@nxp.com>

Make the driver buildable as a module by turning the Kconfig symbol into
a tristate and using module_platform_driver() instead of
builtin_platform_driver().

Signed-off-by: Jindong Yue <jindong.yue@nxp.com>
Signed-off-by: Zhipeng Wang <zhipeng.wang_1@nxp.com>
---
 drivers/irqchip/Kconfig            | 2 +-
 drivers/irqchip/irq-imx-irqsteer.c | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 42f2278a702d..07db3b678f94 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -560,7 +560,7 @@ config CSKY_APB_INTC
 	  the controller's register.
 
 config IMX_IRQSTEER
-	bool "i.MX IRQSTEER support"
+	tristate "i.MX IRQSTEER support"
 	depends on ARCH_MXC || ARCH_S32 || COMPILE_TEST
 	default y if ARCH_MXC || ARCH_S32
 	select IRQ_DOMAIN
diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c
index 87b07f517be3..2365fc04596e 100644
--- a/drivers/irqchip/irq-imx-irqsteer.c
+++ b/drivers/irqchip/irq-imx-irqsteer.c
@@ -10,6 +10,7 @@
 #include <linux/irqchip/chained_irq.h>
 #include <linux/irqdomain.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
@@ -349,6 +350,7 @@ static const struct of_device_id imx_irqsteer_dt_ids[] = {
 	{ .compatible = "nxp,s32n79-irqsteer",	.data = &s32n79_data },
 	{},
 };
+MODULE_DEVICE_TABLE(of, imx_irqsteer_dt_ids);
 
 static struct platform_driver imx_irqsteer_driver = {
 	.driver = {
@@ -359,4 +361,7 @@ static struct platform_driver imx_irqsteer_driver = {
 	.probe		= imx_irqsteer_probe,
 	.remove		= imx_irqsteer_remove,
 };
-builtin_platform_driver(imx_irqsteer_driver);
+module_platform_driver(imx_irqsteer_driver);
+
+MODULE_DESCRIPTION("i.MX IRQSTEER interrupt multiplexer/remapper driver");
+MODULE_LICENSE("GPL");
-- 
2.34.1