linux-kernel - Re: [PATCH v2 2/3] dt-bindings: pci: QCOM Adding sc7280 aggre0, aggre1 clocks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <3dd98ae4-8b19-e241-3b64-fe24509d2cb4@quicinc.com>
Date:   Mon, 29 Aug 2022 23:15:43 +0530
From:   Krishna Chaitanya Chundru <quic_krichai@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <helgaas@...nel.org>
CC:     <linux-pci@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <mka@...omium.org>,
        <quic_vbadigan@...cinc.com>, <quic_hemantk@...cinc.com>,
        <quic_nitegupt@...cinc.com>, <quic_skananth@...cinc.com>,
        <quic_ramkri@...cinc.com>, <manivannan.sadhasivam@...aro.org>,
        <swboyd@...omium.org>, <dmitry.baryshkov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        "Bjorn Helgaas" <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v2 2/3] dt-bindings: pci: QCOM Adding sc7280 aggre0,
 aggre1 clocks


On 7/6/2022 8:29 PM, Krzysztof Kozlowski wrote:
> On 06/07/2022 13:55, Krishna Chaitanya Chundru wrote:
>> On 7/4/2022 1:54 PM, Krzysztof Kozlowski wrote:
>>> On 01/07/2022 18:11, Krishna chaitanya chundru wrote:
>>>> Adding aggre0 and aggre1 clock entries to PCIe node.
>>>>
>>>> Signed-off-by: Krishna chaitanya chundru <quic_krichai@...cinc.com>
>>>> ---
>>>>    Documentation/devicetree/bindings/pci/qcom,pcie.yaml | 6 ++++--
>>>>    1 file changed, 4 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>>>> index 0b69b12..8f29bdd 100644
>>>> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>>>> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>>>> @@ -423,8 +423,8 @@ allOf:
>>>>        then:
>>>>          properties:
>>>>            clocks:
>>>> -          minItems: 11
>>>> -          maxItems: 11
>>>> +          minItems: 13
>>>> +          maxItems: 13
>>>>            clock-names:
>>>>              items:
>>>>                - const: pipe # PIPE clock
>>>> @@ -437,6 +437,8 @@ allOf:
>>>>                - const: bus_slave # Slave AXI clock
>>>>                - const: slave_q2a # Slave Q2A clock
>>>>                - const: tbu # PCIe TBU clock
>>>> +            - const: aggre0 # Aggre NoC PCIe CENTER SF AXI clock
>>>> +            - const: aggre1 # Aggre NoC PCIe1 AXI clock
>>> You ignored my comments from v1 - please don't. This is not accepted.
>>>
>>> Also, please do not send new versions of patchset as reply to some other
>>> threads. It's extremely confusing to find it under something else.
>>>
>>> Best regards,
>>> Krzysztof
>> Hi
>>
>> Krzysztof,
>>
>> Sorry for confusion created which replying this patch.
>>
>> The only comment I got from v1 from you is to run make dtbs_check.
>>
>> I ran that command I found the errors and fixed them and I ran the make dtbs_check again
>> before on v2 and made sure there are no errors.
>>
>> Can you please tell me is there any steps I missed.
> The comment was:
> "This won't work. You need to update other entry."
>
> and then a conditional: "If you test it with
> `make dtbs_check` you will see the errors."
>
> So let's run it together:
>
> /home/krzk/dev/linux/linux/out/arch/arm64/boot/dts/qcom/sc7280-idp.dtb:
> pci@...8000: clocks: [[42, 55], [42, 56], [41, 0], [39, 0], [42, 50],
> [42, 52], [42, 53], [42, 57], [42, 58], [42, 177], [42, 178], [42, 8],
> [42, 21]] is too long
>
> 	From schema:
> /home/krzk/dev/linux/linux/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>
> /home/krzk/dev/linux/linux/out/arch/arm64/boot/dts/qcom/sc7280-idp.dtb:
> pci@...8000: clock-names: ['pipe', 'pipe_mux', 'phy_pipe', 'ref', 'aux',
> 'cfg', 'bus_master', 'bus_slave', 'slave_q2a', 'tbu', 'aggre0',
> 'aggre1', 'ddrss_sf_tbu'] is too long
>
>
> clocks and clock-names can be maximum 12 items, as defined by schema in
> "properties:" section. You cannot extend it in one place to 13 but leave
> 12 in other, because both constraints are applicable.
>
> If you test it, you will see the errors.
>
> Best regards,
> Krzysztof

Hi Krzysztof,

Sorry for very late reply.

If we increase the common definitions of clocks properties to "13" it is 
sufficient right.


diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml 
b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index 92402f1..c9e268d 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -53,11 +53,11 @@ properties:
    # Platform constraints are described later.
    clocks:
      minItems: 3
-    maxItems: 12
+    maxItems: 13

    clock-names:
      minItems: 3
-    maxItems: 12
+    maxItems: 13

    resets:

Thanks & Regards,

Krishna Chaitanya.