From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Jingoo Han <jingoohan1@gmail.com>,
Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Stanimir Varbanov <svarbanov@mm-sol.com>,
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
Vinod Koul <vkoul@kernel.org>,
linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org,
devicetree@vger.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: Re: [PATCH v4 2/8] dt-bindings: pci/qcom,pcie: resets are not defined for msm8996
Date: Fri, 29 Apr 2022 23:02:55 +0300 [thread overview]
Message-ID: <522388b9-310d-25dd-1688-4bb715b594c0@linaro.org> (raw)
In-Reply-To: <20220428143508.GA12269@bhelgaas>
On 28/04/2022 17:35, Bjorn Helgaas wrote:
> Unlike the other patches in this series, this subject line mentions a
> problem (actually, I don't even know whether it's a *problem* or just
> a statement of fact), but doesn't say what this patch does.
>
> Based on the patch, I guess this does something like:
>
> Require resets except for MSM8996/APQ8096
Ack
>
> I don't know whether you're changing the prefix convention for this
> file, or just didn't look to see how it was done in the past, but it's
> nice to have some consistency:
Ack
>
> $ git log --oneline Documentation/devicetree/bindings/pci/qcom,pcie.txt
> f52d2a0f0d32 dt-bindings: pci: qcom: Document PCIe bindings for SM8150 SoC
> dddb4efa5192 dt-bindings: pci: qcom: Document PCIe bindings for SM8450
> 45a3ec891370 PCI: qcom: Add sc8180x compatible
> 320e10986ef7 dt-bindings: PCI: update references to Designware schema
> 9f7368ff1210 dt-bindings: pci: qcom: Document PCIe bindings for IPQ6018 SoC
> c9f04600026f dt-bindings: PCI: qcom: Document ddrss_sf_tbu clock for sm8250
> 458168247ccc dt-bindings: pci: qcom: Document PCIe bindings for SM8250 SoC
> d511580ea9c2 dt-bindings: PCI: qcom: Add ipq8064 rev 2 variant
> b11b8cc161de dt-bindings: PCI: qcom: Add ext reset
> 736ae5c91712 dt-bindings: PCI: qcom: Add missing clks
> 5d28bee7c91e dt-bindings: PCI: qcom: Add support for SDM845 PCIe
> 29a50257a9d6 dt-bindings: PCI: qcom: Add QCS404 to the binding
> f625b1ade245 PCI: qcom: Add missing supplies required for msm8996
> 8baf0151cd4b dt-bindings: PCI: qcom: Add support for IPQ8074
> 90d52d57ccac PCI: qcom: Add support for IPQ4019 PCIe controller
> d0491fc39bdd PCI: qcom: Add support for MSM8996 PCIe controller
> 845d5ca26647 PCI: qcom: Document PCIe devicetree bindings
>
> Including both "pci" and "pcie" in the prefix seems like overkill.
>
> On Thu, Apr 28, 2022 at 02:41:07PM +0300, Dmitry Baryshkov wrote:
>> On MSM8996/APQ8096 platforms the PCIe controller doesn't have any
>> resets. So move the requirement stance under the corresponding if
>> condition.
>
> s/stance/stanza/
>
>> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
>> ---
>> .../devicetree/bindings/pci/qcom,pcie.yaml | 14 ++++++++++++--
>> 1 file changed, 12 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>> index 16f765e96128..ce4f53cdaba0 100644
>> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>> @@ -114,8 +114,6 @@ required:
>> - interrupt-map
>> - clocks
>> - clock-names
>> - - resets
>> - - reset-names
>>
>> allOf:
>> - $ref: /schemas/pci/pci-bus.yaml#
>> @@ -504,6 +502,18 @@ allOf:
>> required:
>> - power-domains
>>
>> + - if:
>> + not:
>> + properties:
>> + compatibles:
>> + contains:
>> + enum:
>> + - qcom,pcie-msm8996
>> + then:
>> + required:
>> + - resets
>> + - reset-names
>> +
>> unevaluatedProperties: false
>>
>> examples:
>> --
>> 2.35.1
>>
--
With best wishes
Dmitry
next prev parent reply other threads:[~2022-04-29 20:03 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-28 11:41 [PATCH v4 0/8] dt-bindings: YAMLify pci/qcom,pcie schema Dmitry Baryshkov
2022-04-28 11:41 ` [PATCH v4 1/8] dt-bindings: pci/qcom,pcie: convert to YAML Dmitry Baryshkov
2022-04-28 11:41 ` [PATCH v4 2/8] dt-bindings: pci/qcom,pcie: resets are not defined for msm8996 Dmitry Baryshkov
2022-04-28 14:35 ` Bjorn Helgaas
2022-04-29 20:02 ` Dmitry Baryshkov [this message]
2022-04-28 11:41 ` [PATCH v4 3/8] dt-bindings: pci/qcom-pcie: specify reg-names explicitly Dmitry Baryshkov
2022-04-28 11:41 ` [PATCH v4 4/8] dt-bindings: pci/qcom,pcie: add schema for sc7280 chipset Dmitry Baryshkov
2022-04-28 11:41 ` [PATCH v4 5/8] arm64: dts: qcom: stop using snps,dw-pcie falback Dmitry Baryshkov
2022-04-28 11:41 ` [PATCH v4 6/8] arm: " Dmitry Baryshkov
2022-04-28 11:41 ` [PATCH v4 7/8] arm: dts: qcom-*: replace deprecated perst-gpio with perst-gpios Dmitry Baryshkov
2022-04-28 11:41 ` [PATCH v4 8/8] arm64: dts: qcom: " Dmitry Baryshkov
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