linux-kernel - Re: [PATCH v2 1/1] gpio: nct6116d: add new driver for several Nuvoton super io chips

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Date:   Mon, 11 Jul 2022 10:42:07 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Henning Schild <henning.schild@...mens.com>
Cc:     linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Tasanakorn Phaipool <tasanakorn@...il.com>,
        Sheng-Yuan Huang <syhuang3@...oton.com>,
        Kuan-Wei Ho <cwho@...oton.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v2 1/1] gpio: nct6116d: add new driver for several Nuvoton
 super io chips

On Mon, Jul 4, 2022 at 3:06 PM Henning Schild
<henning.schild@...mens.com> wrote:

> This patch adds gpio support for several Nuvoton NCTXXX chips. These
> Super-I/O chips offer multiple functions of which several already have
> drivers in the kernel, i.e. hwmon and watchdog.
>
> Signed-off-by: Henning Schild <henning.schild@...mens.com>

(...)
>  drivers/gpio/Kconfig         |   9 +
(...)
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -457,6 +457,15 @@ config GPIO_MXS
>         select GPIO_GENERIC
>         select GENERIC_IRQ_CHIP
>
> +config GPIO_NCT6116D
> +       tristate "Nuvoton Super-I/O GPIO support"
> +       help
> +         This option enables support for GPIOs found on Nuvoton Super-I/O
> +         chips NCT5104D, NCT6106D, NCT6116D, NCT6122D.
> +
> +         To compile this driver as a module, choose M here: the module will
> +         be called gpio-nct6116d.
> +
>  config GPIO_OCTEON

This driver is put among the memory-mapped GPIO drivers
in Kconfig despite it is using port-mapped IO.

Move it to the right section with the other port-mapped IO
GPIO drivers that begins like this:

menu "Port-mapped I/O GPIO drivers"
        depends on X86 # Unconditional I/O space access


Yours,
Linus Walleij