Re: [PATCH v2 1/2] dt-bindings: PCI: qcom,pcie-ep-sa8255p: Document firmware managed PCIe endpoint

From: Rob Herring

Date: Fri Dec 19 2025 - 09:51:01 EST


On Wed, Dec 17, 2025 at 2:52 AM Mrinmay Sarkar
<mrinmay.sarkar@xxxxxxxxxxxxxxxx> wrote:
>
> On Tue, Dec 16, 2025 at 8:59 PM Rob Herring (Arm) <robh@xxxxxxxxxx> wrote:
> >
> >
> > On Tue, 16 Dec 2025 19:19:17 +0530, Mrinmay Sarkar wrote:
> > > Document the required configuration to enable the PCIe Endpoint controller
> > > on SA8255p which is managed by firmware using power-domain based handling.
> > >
> > > Signed-off-by: Mrinmay Sarkar <mrinmay.sarkar@xxxxxxxxxxxxxxxx>
> > > ---
> > > .../bindings/pci/qcom,pcie-ep-sa8255p.yaml | 110 +++++++++++++++++++++
> > > 1 file changed, 110 insertions(+)
> > >
> >
> > My bot found errors running 'make dt_binding_check' on your patch:
> >
> > yamllint warnings/errors:
> >
> > dtschema/dtc warnings/errors:
> > Documentation/devicetree/bindings/pci/qcom,pcie-ep-sa8255p.example.dtb: /example-0/soc/pcie-ep@1c10000: failed to match any schema with compatible: ['qcom,sa8255p-pcie-ep']
> >
> > doc reference errors (make refcheckdocs):
> >
> > See https://patchwork.kernel.org/project/devicetree/patch/20251216-firmware_managed_ep-v2-1-7a731327307f@xxxxxxxxxxxxxxxx
> >
> > The base for the series is generally the latest rc1. A different dependency
> > should be noted in *this* patch.
> >
> > If you already ran 'make dt_binding_check' and didn't see the above
> > error(s), then make sure 'yamllint' is installed and dt-schema is up to
> > date:
> >
> > pip3 install dtschema --upgrade
> >
> > Please check and re-submit after running the above command yourself. Note
> > that DT_SCHEMA_FILES can be set to your schema file to speed up checking
> > your schema. However, it must be unset to test all examples with your schema.
> >
> Thanks Rob for sharing this.
>
> I already ran 'make dt_binding_check' but somehow I didn't see this error.
> Maybe I need to upgrade all the tools ..

The answer is provided above already. Don't set DT_SCHEMA_FILES.

Rob