[PATCH V3 2/9] pinctrl: imx: Support building i.MX pinctrl driver as module

[Anson Huang]

Export necessary functions to support building i.MX common pinctrl
driver and its user to be built as module.

Signed-off-by: Anson Huang <anson.hu...@nxp.com>
---
Changes since V2:
        - add "depends on OF" to fix build error when using x86 randconfig.
---
 drivers/pinctrl/freescale/Kconfig       | 3 ++-
 drivers/pinctrl/freescale/pinctrl-imx.c | 4 ++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/freescale/Kconfig 
b/drivers/pinctrl/freescale/Kconfig
index f6c00d5..3383fc2 100644
--- a/drivers/pinctrl/freescale/Kconfig
+++ b/drivers/pinctrl/freescale/Kconfig
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config PINCTRL_IMX
-       bool
+       tristate "IMX pinctrl driver"
+       depends on OF
        select GENERIC_PINCTRL_GROUPS
        select GENERIC_PINMUX_FUNCTIONS
        select GENERIC_PINCONF
diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c 
b/drivers/pinctrl/freescale/pinctrl-imx.c
index cb7e0f0..116d808 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/mfd/syscon.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_address.h>
@@ -878,6 +879,7 @@ int imx_pinctrl_probe(struct platform_device *pdev,
 
        return pinctrl_enable(ipctl->pctl);
 }
+EXPORT_SYMBOL_GPL(imx_pinctrl_probe);
 
 static int __maybe_unused imx_pinctrl_suspend(struct device *dev)
 {
@@ -897,3 +899,5 @@ const struct dev_pm_ops imx_pinctrl_pm_ops = {
        SET_LATE_SYSTEM_SLEEP_PM_OPS(imx_pinctrl_suspend,
                                        imx_pinctrl_resume)
 };
+EXPORT_SYMBOL_GPL(imx_pinctrl_pm_ops);
+MODULE_LICENSE("GPL v2");
-- 
2.7.4