linux-kernel - [PATCH V3 3/3] pinctrl: imx: Support building i.MX pinctrl core driver as module

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Message-Id: <1599549126-17413-3-git-send-email-Anson.Huang@nxp.com>
Date:   Tue,  8 Sep 2020 15:12:06 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     aisheng.dong@....com, festevam@...il.com, shawnguo@...nel.org,
        stefan@...er.ch, kernel@...gutronix.de, linus.walleij@...aro.org,
        s.hauer@...gutronix.de, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Linux-imx@....com
Subject: [PATCH V3 3/3] pinctrl: imx: Support building i.MX pinctrl core driver as module

Change PINCTRL_IMX to tristate to support loadable module build.

And i.MX common pinctrl driver should depend on CONFIG_OF to make sure
no build error when i.MX common pinctrl driver is enabled for different
architectures without CONFIG_OF.

Also add module author, description and license.

Signed-off-by: Anson Huang <Anson.Huang@....com>
Reviewed-by: Dong Aisheng <aisheng.dong@....com>
---
no change.
---
 drivers/pinctrl/freescale/Kconfig       | 3 ++-
 drivers/pinctrl/freescale/pinctrl-imx.c | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/freescale/Kconfig b/drivers/pinctrl/freescale/Kconfig
index 452c499..0058d3a 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 core 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 b80c450..daf28bc 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>
@@ -898,3 +899,7 @@ const struct dev_pm_ops imx_pinctrl_pm_ops = {
 					imx_pinctrl_resume)
 };
 EXPORT_SYMBOL_GPL(imx_pinctrl_pm_ops);
+
+MODULE_AUTHOR("Dong Aisheng <aisheng.dong@....com>");
+MODULE_DESCRIPTION("NXP i.MX common pinctrl driver");
+MODULE_LICENSE("GPL v2");
-- 
2.7.4