[PATCH] PCI: imx6: Support building it as a module

[Jindong Yue]

Change config from bool to tristate to support
building pci-imx6 as a module.
Add MODULE_LICENSE for it.

Signed-off-by: Jindong Yue <jindong.yue@xxxxxxx>
---
 drivers/pci/controller/dwc/Kconfig    | 6 +++---
 drivers/pci/controller/dwc/pci-imx6.c | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig
index ab96da43e0c2..db96cff8b11f 100644
--- a/drivers/pci/controller/dwc/Kconfig
+++ b/drivers/pci/controller/dwc/Kconfig
@@ -71,10 +71,10 @@ config PCIE_BT1
 	  in host mode. It's based on the Synopsys DWC PCIe v4.60a IP-core.
 
 config PCI_IMX6
-	bool
+	tristate
 
 config PCI_IMX6_HOST
-	bool "Freescale i.MX6/7/8 PCIe controller (host mode)"
+	tristate "Freescale i.MX6/7/8 PCIe controller (host mode)"
 	depends on ARCH_MXC || COMPILE_TEST
 	depends on PCI_MSI
 	select PCIE_DW_HOST
@@ -86,7 +86,7 @@ config PCI_IMX6_HOST
 	  DesignWare core functions to implement the driver.
 
 config PCI_IMX6_EP
-	bool "Freescale i.MX6/7/8 PCIe controller (endpoint mode)"
+	tristate "Freescale i.MX6/7/8 PCIe controller (endpoint mode)"
 	depends on ARCH_MXC || COMPILE_TEST
 	depends on PCI_ENDPOINT
 	select PCIE_DW_EP
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 27aaa2a6bf39..50cc322e4fdc 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1610,3 +1610,4 @@ static int __init imx6_pcie_init(void)
 	return platform_driver_register(&imx6_pcie_driver);
 }
 device_initcall(imx6_pcie_init);
+MODULE_LICENSE("GPL");
-- 
2.36.0