Re: [PATCH 2/2] pinctrl: rockchip: make driver be tristate module

[Heiko Stübner]

Am Montag, 14. September 2020, 02:38:47 CEST schrieb Jianqun Xu:
> Make pinctrl-rockchip driver to be tristate module, support to build as
> a module, this is useful for GKI.
> 
> Signed-off-by: Jianqun Xu <jay.xu@xxxxxxxxxxxxxx>

Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>

> ---
>  drivers/pinctrl/Kconfig            |  2 +-
>  drivers/pinctrl/pinctrl-rockchip.c | 13 +++++++++++++
>  2 files changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
> index 4284f39a5c61..743eb2bb8709 100644
> --- a/drivers/pinctrl/Kconfig
> +++ b/drivers/pinctrl/Kconfig
> @@ -207,7 +207,7 @@ config PINCTRL_OXNAS
>  	select MFD_SYSCON
>  
>  config PINCTRL_ROCKCHIP
> -	bool
> +	tristate "Rockchip gpio and pinctrl driver"
>  	depends on OF
>  	select PINMUX
>  	select GENERIC_PINCONF
> diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
> index 0401c1da79dd..927d132d6716 100644
> --- a/drivers/pinctrl/pinctrl-rockchip.c
> +++ b/drivers/pinctrl/pinctrl-rockchip.c
> @@ -16,10 +16,12 @@
>   */
>  
>  #include <linux/init.h>
> +#include <linux/module.h>
>  #include <linux/platform_device.h>
>  #include <linux/io.h>
>  #include <linux/bitops.h>
>  #include <linux/gpio/driver.h>
> +#include <linux/of_device.h>
>  #include <linux/of_address.h>
>  #include <linux/of_irq.h>
>  #include <linux/pinctrl/machine.h>
> @@ -4258,3 +4260,14 @@ static int __init rockchip_pinctrl_drv_register(void)
>  	return platform_driver_register(&rockchip_pinctrl_driver);
>  }
>  postcore_initcall(rockchip_pinctrl_drv_register);
> +
> +static void __exit rockchip_pinctrl_drv_unregister(void)
> +{
> +	platform_driver_unregister(&rockchip_pinctrl_driver);
> +}
> +module_exit(rockchip_pinctrl_drv_unregister);
> +
> +MODULE_DESCRIPTION("ROCKCHIP Pin Controller Driver");
> +MODULE_LICENSE("GPL");
> +MODULE_ALIAS("platform:pinctrl-rockchip");
> +MODULE_DEVICE_TABLE(of, rockchip_pinctrl_dt_match);
>