Re: [OE-core][PATCH v2] uboot: Deprecate legacy UBOOT_CONFIG flow

["Antonin Godard" <antonin.godard@bootlin.com>]

Hi,

On Tue Jan 27, 2026 at 11:34 PM CET, Ryan Eatmon via lists.openembedded.org wrote:
> Mark the legacy flow for settings the UBOOT_CONFIG options in a comma
> separated list.  This code will still work through wrynose, but will be
> removed once wrynose is released.
>
> Add warnings to point people in the right direction for fixing their
> configs:
>
> WARNING: Legacy use of UBOOT_CONFIG[foo] = "foo_config,foo_image,foo_binary" is deprecated.  Please move to using UBOOT_CONFIG_* variables:
> WARNING:     UBOOT_CONFIG[foo] = "foo_config"
> WARNING:     UBOOT_CONFIG_IMAGE_FSTYPES[foo] = "foo_image"
> WARNING:     UBOOT_CONFIG_BINARY[foo] = "foo_binary"
> WARNING: Legacy use of UBOOT_CONFIG[bar] = "bar_config,bar_image" is deprecated.  Please move to using UBOOT_CONFIG_* variables:
> WARNING:     UBOOT_CONFIG[bar] = "bar_config"
> WARNING:     UBOOT_CONFIG_IMAGE_FSTYPES[bar] = "bar_image"
> WARNING: Legacy use of UBOOT_CONFIG[bing] = "bing_config,,bing_binary" is deprecated.  Please move to using UBOOT_CONFIG_* variables:
> WARNING:     UBOOT_CONFIG[bing] = "bing_config"
> WARNING:     UBOOT_CONFIG_BINARY[bing] = "bing_binary"

Will you please add a note for that in
https://docs.yoctoproject.org/dev/migration-guides/migration-6.0.html?

> Signed-off-by: Ryan Eatmon <reatmon@ti.com>
> ---
> v2: Fix spelling error in comment.
>
>  meta/classes-recipe/uboot-config.bbclass | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/meta/classes-recipe/uboot-config.bbclass b/meta/classes-recipe/uboot-config.bbclass
> index 823a66157a..112fea2de4 100644
> --- a/meta/classes-recipe/uboot-config.bbclass
> +++ b/meta/classes-recipe/uboot-config.bbclass
> @@ -27,6 +27,9 @@
>  # deemed to be limiting in terms of expanding support to more and more knobs
>  # that might need to be turned to customize a config build.
>  #
> +# NOTE: Suport for this legacy flow is now deprecated and will be removed from

Typo: Suport

> +#       master after the wrynose LTS release.
> +#
>  # UBOOT_MACHINE = ""
>  # UBOOT_CONFIG ??= <default>
>  # UBOOT_CONFIG[foo] = "foo_config,images,binary"
> @@ -181,14 +184,19 @@ python () {
>                  if config == f: 
>                      found = True
>                      items = v.split(',')
> +                    if items[0] and len(items) > 1:
> +                        bb.warn('Legacy use of UBOOT_CONFIG[%s] = "%s" is deprecated.  Please move to using UBOOT_CONFIG_* variables:' % (f, v))

Add a link to the migration guide here?

I'm anticipating, but that will be
https://docs.yoctoproject.org/migration-guides/migration-6.0.html

(without the /dev, but when the release will be out the link will be valid)

Antonin

-- 
Antonin Godard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com