linux-kernel - Re: [PATCH 15/22] gpiolib: add build option for CDEV V1 ABI

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Date:   Mon, 29 Jun 2020 16:26:44 +0200
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Kent Gibson <warthog618@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        linux-gpio <linux-gpio@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH 15/22] gpiolib: add build option for CDEV V1 ABI

On Tue, Jun 23, 2020 at 6:03 AM Kent Gibson <warthog618@...il.com> wrote:
>
> Add a build option to allow the removal of the CDEV v1 ABI.
>
> Suggested-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> Signed-off-by: Kent Gibson <warthog618@...il.com>
>
> ---
>
> This patch is before the V2 implementation, and is non-functional until
> that patch, as some parts of that patch would be written slightly
> differently if removing V1 was not considered.
> Adding this patch after that would necessitate revisiting the V2 changes,
> so this ordering results in two simpler patches.
>
>  drivers/gpio/Kconfig | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index affc1524bc2c..b966a7dc1c9a 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -81,6 +81,18 @@ config GPIO_CDEV
>
>           If unsure, say Y.
>
> +config GPIO_CDEV_V1
> +       bool "Support GPIO ABI Version 1"
> +       default y
> +       depends on GPIO_CDEV
> +       help
> +         Say Y here to support version 1 of the GPIO CDEV ABI.
> +
> +         This ABI version is deprecated and will be removed in the future.
> +         Please use the latest ABI for new developments.
> +
> +         If unsure, say Y.
> +
>  config GPIO_GENERIC
>         depends on HAS_IOMEM # Only for IOMEM drivers
>         tristate
> --
> 2.27.0
>

As long as the series remains bisectable:

Reviewed-by: Bartosz Golaszewski <bgolaszewski@...libre.com>