Re: linux-next: build warnings after merge of the devicetree tree

[Rob Herring]

On Thu, Nov 27, 2025 at 11:10 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Hi Stephen,
>
> On Tue, 18 Nov 2025 14:38:43 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> >
> > Hi all,
> >
> > After merging the devicetree tree, today's linux-next build (arm64
> > defconfig) produced these warnings:
> >
> > scripts/Makefile.dtbs:20: .dtbo is not applied to any base: rp1.dtbo
> > scripts/Makefile.dtbs:20: .dtbo is not applied to any base: mt7986a-bananapi-bpi-r3-emmc.dtbo mt7986a-bananapi-bpi-r3-nand.dtbo mt7986a-bananapi-bpi-r3-nor.dtbo mt7986a-bananapi-bpi-r3-sata.dtbo mt7986a-bananapi-bpi-r3-sd.dtbo mt7988a-bananapi-bpi-r4-emmc.dtbo mt7988a-bananapi-bpi-r4-pro-cn15.dtbo mt7988a-bananapi-bpi-r4-pro-cn18.dtbo mt7988a-bananapi-bpi-r4-pro-emmc.dtbo mt7988a-bananapi-bpi-r4-pro-sd.dtbo mt7988a-bananapi-bpi-r4-sd.dtbo mt8395-radxa-nio-12l-8-hd-panel.dtbo
> > scripts/Makefile.dtbs:20: .dtbo is not applied to any base: k3-am62x-phyboard-lyra-gpio-fan.dtbo k3-am62-lp-sk-nand.dtbo k3-am642-phyboard-electra-gpio-fan.dtbo k3-am642-phyboard-electra-pcie-usb2.dtbo k3-am642-phyboard-electra-x27-gpio1-spi1-uart3.dtbo k3-am642-phyboard-electra-peb-c-010.dtbo k3-am6xx-phycore-disable-eth-phy.dtbo k3-am6xx-phycore-disable-rtc.dtbo k3-am6xx-phycore-disable-spi-nor.dtbo k3-am6xx-phycore-qspi-nor.dtbo k3-j721e-evm-gesi-exp-board.dtbo k3-am67a-kontron-sa67-gpios.dtbo
> >
> > Exposed by commit
> >
> >   d8c8a575f5aa ("kbuild: Ensure .dtbo targets are applied to a base .dtb")
>
> I am still seeing these warnings.

Patches are posted to fix all of them[1][2][3].

Rob

[1] https://lore.kernel.org/all/20251117211503.728354-2-robh@xxxxxxxxxx/
[2] https://lore.kernel.org/all/20251117211306.725678-1-robh@xxxxxxxxxx/
[3] https://lore.kernel.org/all/20251117211316.725960-1-robh@xxxxxxxxxx/