linux-kernel - Re: [PATCH v3 1/7] dt-bindings: PCI: fu740-pci: fix missing clock-names

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Date:   Mon, 22 Aug 2022 14:20:32 -0500
From:   Rob Herring <robh@...nel.org>
To:     Conor Dooley <mail@...chuod.ie>
Cc:     Daire McNamara <daire.mcnamara@...rochip.com>,
        Rob Herring <robh+dt@...nel.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        Palmer Dabbelt <palmer@...belt.com>,
        devicetree@...r.kernel.org, Greentime Hu <greentime.hu@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-riscv@...ts.infradead.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Lorenzo Pieralisi <lpieralisi@...nel.org>
Subject: Re: [PATCH v3 1/7] dt-bindings: PCI: fu740-pci: fix missing
 clock-names

On Sat, 20 Aug 2022 00:14:10 +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@...rochip.com>
> 
> The commit b92225b034c0 ("dt-bindings: PCI: designware: Fix
> 'unevaluatedProperties' warnings") removed the clock-names property as
> a requirement and from the example as it triggered unevaluatedProperty
> warnings. dtbs_check was not able to pick up on this at the time, but
> now can:
> 
> arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dtb: pcie@...000000: Unevaluated properties are not allowed ('clock-names' was unexpected)
>         From schema: linux/Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml
> 
> The property was already in use by the FU740 DTS and the clock must be
> enabled. The Linux and FreeBSD drivers require the property to enable
> the clocks correctly Re-add the property and its "clocks" dependency,
> while making it required.
> 
> Fixes: b92225b034c0 ("dt-bindings: PCI: designware: Fix 'unevaluatedProperties' warnings")
> Fixes: 43cea116be0b ("dt-bindings: PCI: Add SiFive FU740 PCIe host controller")
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> ---
> v2022.08 of dt-schema is required.
> ---
>  .../devicetree/bindings/pci/sifive,fu740-pcie.yaml        | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 

Reviewed-by: Rob Herring <robh@...nel.org>