[PATCH V2 2/9] pinctrl: imx: Support building i.MX pinctrl driver as module

From: Anson Huang
Date: Mon Jun 08 2020 - 10:48:44 EST


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.Huang@xxxxxxx>
---
Changes since V1:
- Separate i.MX and i.MX SCU pinctrl driver to 2 patches;
- Support building i.MX common pinctrl driver itself as module.
---
drivers/pinctrl/freescale/Kconfig | 2 +-
drivers/pinctrl/freescale/pinctrl-imx.c | 4 ++++
2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/freescale/Kconfig b/drivers/pinctrl/freescale/Kconfig
index a3a30f1d..58d48df 100644
--- a/drivers/pinctrl/freescale/Kconfig
+++ b/drivers/pinctrl/freescale/Kconfig
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
config PINCTRL_IMX
- bool
+ tristate "IMX pinctrl driver"
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