[PATCH V2 2/3] pinctrl: imx: Support building SCU pinctrl core driver as module

[Aisheng Dong]

> From: Anson Huang <Anson.Huang at nxp.com>
> Sent: Monday, September 7, 2020 8:33 PM
> 
> Change PINCTR_IMX_SCU to tristate, remove unnecessary #ifdef and add
> module author, description and license to support building SCU pinctrl core
> driver as module.
> 
> Signed-off-by: Anson Huang <Anson.Huang at nxp.com>
> ---
> Changes since V1:
> 	- split V1 [1/2] patch to 2 patches, this patch supports building SCU pinctrl
> core
> 	  driver as module;
> 	- remove unnecessary #ifdef check and #else block.
> ---
>  drivers/pinctrl/freescale/Kconfig       |  2 +-
>  drivers/pinctrl/freescale/pinctrl-imx.h | 20 --------------------
> drivers/pinctrl/freescale/pinctrl-scu.c |  5 +++++
>  3 files changed, 6 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/pinctrl/freescale/Kconfig b/drivers/pinctrl/freescale/Kconfig
> index 08fcf5c..452c499 100644
> --- a/drivers/pinctrl/freescale/Kconfig
> +++ b/drivers/pinctrl/freescale/Kconfig
> @@ -7,7 +7,7 @@ config PINCTRL_IMX
>  	select REGMAP
> 
>  config PINCTRL_IMX_SCU
> -	bool
> +	tristate "IMX SCU pinctrl core driver"
>  	depends on IMX_SCU
>  	select PINCTRL_IMX
> 

[...]

> diff --git a/drivers/pinctrl/freescale/pinctrl-imx.h
> b/drivers/pinctrl/freescale/pinctrl-imx.h
> index 40927ca..fd8c4b6 100644
> --- a/drivers/pinctrl/freescale/pinctrl-imx.h
> +++ b/drivers/pinctrl/freescale/pinctrl-imx.h
> @@ -144,7 +144,6 @@ struct imx_pinctrl_soc_info {  int
> imx_pinctrl_probe(struct platform_device *pdev,
>  			const struct imx_pinctrl_soc_info *info);
> 
> -#ifdef CONFIG_PINCTRL_IMX_SCU
>  #define BM_PAD_CTL_GP_ENABLE		BIT(30)
>  #define BM_PAD_CTL_IFMUX_ENABLE		BIT(31)
>  #define BP_PAD_CTL_IFMUX		27
> @@ -157,23 +156,4 @@ int imx_pinconf_set_scu(struct pinctrl_dev *pctldev,
> unsigned pin_id,  void imx_pinctrl_parse_pin_scu(struct imx_pinctrl *ipctl,
>  			       unsigned int *pin_id, struct imx_pin *pin,
>  			       const __be32 **list_p);
> -#else
> -static inline int imx_pinconf_get_scu(struct pinctrl_dev *pctldev,
> -				      unsigned pin_id, unsigned long *config)
> -{
> -	return -EINVAL;
> -}
> -static inline int imx_pinconf_set_scu(struct pinctrl_dev *pctldev,
> -				      unsigned pin_id, unsigned long *configs,
> -				      unsigned num_configs)
> -{
> -	return -EINVAL;
> -}
> -static inline void imx_pinctrl_parse_pin_scu(struct imx_pinctrl *ipctl,
> -					    unsigned int *pin_id,
> -					    struct imx_pin *pin,
> -					    const __be32 **list_p)
> -{
> -}
> -#endif
>  #endif /* __DRIVERS_PINCTRL_IMX_H */

Should this part of changes go to Patch 1?

> diff --git a/drivers/pinctrl/freescale/pinctrl-scu.c
> b/drivers/pinctrl/freescale/pinctrl-scu.c
> index 9df45d3..59b5f8a 100644
> --- a/drivers/pinctrl/freescale/pinctrl-scu.c
> +++ b/drivers/pinctrl/freescale/pinctrl-scu.c
> @@ -7,6 +7,7 @@
> 
>  #include <linux/err.h>
>  #include <linux/firmware/imx/sci.h>
> +#include <linux/module.h>
>  #include <linux/of_address.h>
>  #include <linux/pinctrl/pinctrl.h>
>  #include <linux/platform_device.h>
> @@ -123,3 +124,7 @@ void imx_pinctrl_parse_pin_scu(struct imx_pinctrl
> *ipctl,
>  		pin_scu->mux_mode, pin_scu->config);
>  }
>  EXPORT_SYMBOL_GPL(imx_pinctrl_parse_pin_scu);
> +
> +MODULE_AUTHOR("Dong Aisheng <aisheng.dong at nxp.com>");
> +MODULE_DESCRIPTION("NXP i.MX SCU common pinctrl driver");
> +MODULE_LICENSE("GPL v2");
> --
> 2.7.4