linux-kernel - RE: [PATCH 2/2] pinctrl: imx: Support building i.MX pinctrl driver as module

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Date:   Mon, 7 Sep 2020 08:33:56 +0000
From:   Aisheng Dong <aisheng.dong@....com>
To:     Anson Huang <anson.huang@....com>,
        "festevam@...il.com" <festevam@...il.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "stefan@...er.ch" <stefan@...er.ch>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH 2/2] pinctrl: imx: Support building i.MX pinctrl driver as
 module

> From: Anson Huang <Anson.Huang@....com>
> Sent: Thursday, July 16, 2020 11:07 PM
> Subject: [PATCH 2/2] pinctrl: imx: Support building i.MX pinctrl driver as module
> 

S/pinctrl driver/pinctrl core driver

This also applies for Patch 1/2.

> 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>
> ---
>  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 570355c..922ae4b 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"

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..3eaafb6 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("Linus Walleij <linus.walleij@...aro.org>");

MODULE_AUTHOR("Dong Aisheng <aisheng.dong@....com>");

Regards
Aisheng

> +MODULE_DESCRIPTION("NXP i.MX common pinctrl driver");
> +MODULE_LICENSE("GPL v2");
> --
> 2.7.4