Re: [PATCH 2/3] pinctrl: Add STM32F746 MCU support

From: Paul Gortmaker
Date: Tue Jul 05 2016 - 10:03:10 EST


[[PATCH 2/3] pinctrl: Add STM32F746 MCU support] On 05/07/2016 (Tue 15:40) Alexandre TORGUE wrote:

> From: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
>
> This patch which adds STM32F746 pinctrl and GPIO support, relies on the
> generic STM32 pinctrl driver.
>
> Signed-off-by: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
> Signed-off-by: Alexandre TORGUE <alexandre.torgue@xxxxxx>
>
> diff --git a/drivers/pinctrl/stm32/Kconfig b/drivers/pinctrl/stm32/Kconfig
> index 0f28841..4c40dae 100644
> --- a/drivers/pinctrl/stm32/Kconfig
> +++ b/drivers/pinctrl/stm32/Kconfig
> @@ -13,4 +13,10 @@ config PINCTRL_STM32F429
> default MACH_STM32F429
> select PINCTRL_STM32
>
> +config PINCTRL_STM32F746
> + bool "STMicroelectronics STM32F746 pin control" if COMPILE_TEST && !MACH_STM32F746
^^^^

> + depends on OF
> + default MACH_STM32F746
> + select PINCTRL_STM32
> +
> + ),
> +};
> +

[...]

> +static const struct of_device_id stm32f746_pctrl_match[] = {
> + {
> + .compatible = "st,stm32f746-pinctrl",
> + .data = &stm32f746_match_data,
> + },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, stm32f746_pctrl_match);
^^^^^^^^^^^^^^^^^^^^

> +
> +static struct platform_driver stm32f746_pinctrl_driver = {
> + .probe = stm32_pctl_probe,
> + .driver = {
> + .name = "stm32f746-pinctrl",
> + .of_match_table = stm32f746_pctrl_match,
> + },
> +};
> +
> +static int __init stm32f746_pinctrl_init(void)
> +{
> + return platform_driver_register(&stm32f746_pinctrl_driver);
> +}
> +
> +module_init(stm32f746_pinctrl_init);
> +
> +MODULE_LICENSE("GPL");
> +MODULE_DESCRIPTION("STM32F746 Pinctrl Driver");
> +MODULE_AUTHOR("Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>");

...and here as well. Please don't use modular support functions and
infrastructure for code that is only built-in. Either make sure it can
be modular and use a tristate Kconfig, or delete all the MODULE_<tags>
and use device_initcall() to register the driver.

Thanks,
Paul.
--

> --
> 1.9.1
>