Re: [PATCH v2] Do not enable the v1 uAPI by default

[Kent Gibson]

On Sat, Mar 14, 2026 at 12:07:50AM +0100, Linus Walleij wrote:
> It's been five years since we introduced the v2 uAPI and
> the major consumer libgpiod is at v2.2.3.
> 
> Let's discourage the old ABI.
> 

Agreed - I was thinking the same thing myself.

Reviewed-by: Kent Gibson <warthog618@xxxxxxxxx>

> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> ---
> Changes in v2:
> - Rebase on v7.0-rc1
> - Do not explicitly state "default n", n is the default.
> - Drop RFC, I waited like two years+
> - Link to v1: https://lore.kernel.org/r/20231104-no-y-uapi1-default-v1-1-f60d318b6fbe@xxxxxxxxxx
> ---
>  drivers/gpio/Kconfig | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index b45fb799e36c..d574e5fb851d 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -95,7 +95,6 @@ config GPIO_CDEV
>  
>  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.
> @@ -103,8 +102,6 @@ config GPIO_CDEV_V1
>  	  This ABI version is deprecated.
>  	  Please use the latest ABI for new developments.
>  
> -	  If unsure, say Y.
> -
>  config GPIO_GENERIC
>  	depends on HAS_IOMEM # Only for IOMEM drivers
>  	tristate
> 
> ---
> base-commit: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f
> change-id: 20231103-no-y-uapi1-default-4204e86c04a3
> 
> Best regards,
> -- 
> Linus Walleij <linusw@xxxxxxxxxx>
>