Re: [OE-core] [PATCH] uki.bbclass: fix UKI_DEVICETREE

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Wed, 2026-03-25 at 12:48 +0200, Mikko Rapeli via lists.openembedded.org wrote:
> UKI_DEVICETREE needs to be empty when KERNEL_DEVICETREE
> is not set. Fixes genericarm64 uki image builds:
> 
> ERROR: ERROR: cannot find /home/builder/src/core/build/tmp/deploy/images/genericarm64/${KERNEL_DEVICETREE}.
> 
> Signed-off-by: Mikko Rapeli <mikko.rapeli@linaro.org>
> ---
>  meta/classes-recipe/uki.bbclass | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/meta/classes-recipe/uki.bbclass b/meta/classes-recipe/uki.bbclass
> index 326697a06660..a6a88240f798 100644
> --- a/meta/classes-recipe/uki.bbclass
> +++ b/meta/classes-recipe/uki.bbclass
> @@ -80,7 +80,7 @@ UKI_CONFIG_FILE ?= "${UNPACKDIR}/uki.conf"
>  UKI_FILENAME ?= "uki.efi"
>  UKI_KERNEL_FILENAME ?= "${KERNEL_IMAGETYPE}"
>  UKI_CMDLINE ?= "rootwait root=LABEL=root"
> -UKI_DEVICETREE ?= "${KERNEL_DEVICETREE}"
> +UKI_DEVICETREE ?= "${@ d.getVar('KERNEL_DEVICETREE') or ''}"
>  # secure boot keys and cert, needs sbsign-tools-native (meta-secure-core)
>  #UKI_SB_KEY ?= ""
>  #UKI_SB_CERT ?= ""

Is there a reason not to do:

KERNEL_DEVICETREE ??= ""

instead?

Inline python isn't great...

Cheers,

Richard