linux-kernel - Re: [PATCH v2 1/8] dt-bindings: PCI: Add binding for qps615

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Message-ID: <132a0367-596b-4ff2-b35c-e81e77f14340@kernel.org>
Date: Mon, 5 Aug 2024 07:12:34 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Krishna Chaitanya Chundru <quic_krichai@...cinc.com>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kw@...ux.com>,
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>,
 cros-qcom-dts-watchers@...omium.org, Bartosz Golaszewski <brgl@...ev.pl>,
 Jingoo Han <jingoohan1@...il.com>,
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: andersson@...nel.org, quic_vbadigan@...cinc.com,
 linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v2 1/8] dt-bindings: PCI: Add binding for qps615

On 05/08/2024 06:02, Krishna Chaitanya Chundru wrote:
> 
> 
> On 8/4/2024 2:26 PM, Krzysztof Kozlowski wrote:
>> On 03/08/2024 05:22, Krishna chaitanya chundru wrote:
>>> Add binding describing the Qualcomm PCIe switch, QPS615,
>>> which provides Ethernet MAC integrated to the 3rd downstream port
>>> and two downstream PCIe ports.
>>>
>>> Signed-off-by: Krishna chaitanya chundru <quic_krichai@...cinc.com>
>>> ---
>>>   .../devicetree/bindings/pci/qcom,qps615.yaml       | 191 +++++++++++++++++++++
>>>   1 file changed, 191 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/pci/qcom,qps615.yaml b/Documentation/devicetree/bindings/pci/qcom,qps615.yaml
>>> new file mode 100644
>>> index 000000000000..ea0c953ee56f
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/pci/qcom,qps615.yaml
>>> @@ -0,0 +1,191 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/pci/qcom,qps615.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Qualcomm QPS615 PCIe switch
>>> +
>>> +maintainers:
>>> +  - Krishna chaitanya chundru <quic_krichai@...cinc.com>
>>> +
>>> +description: |
>>> +  Qualcomm QPS615 PCIe switch has one upstream and three downstream
>>> +  ports. The 3rd downstream port has integrated endpoint device of
>>> +  Ethernet MAC. Other two downstream ports are supposed to connect
>>> +  to external device.
>>> +
>>> +  The QPS615 PCIe switch can be configured through I2C interface before
>>> +  PCIe link is established to change FTS, ASPM related entry delays,
>>> +  tx amplitude etc for better power efficiency and functionality.
>>> +
>>> +properties:
>>> +  compatible:
>>> +    enum:
>>> +      - pci1179,0623
>>> +
>>> +  reg:
>>> +    maxItems: 1
>>> +
>>> +  qcom,qps615-controller:
>>
>> and now I see that you totally ignored comments. Repeating the same over
>> and over is a waste of time.
>>
>> <form letter>
>> This is a friendly reminder during the review process.
>>
>> It seems my or other reviewer's previous comments were not fully
>> addressed. Maybe the feedback got lost between the quotes, maybe you
>> just forgot to apply it. Please go back to the previous discussion and
>> either implement all requested changes or keep discussing them.
>>
>> Thank you.
>> </form letter>
>>
>>
>> Best regards,
>> Krzysztof
>>
> Hi Krzysztof,
> 
> In patch1 we are trying to add reference of i2c-adapter, you suggested
> to use i2c-bus for that. we got comments on the driver code not to use
> adapter and instead use i2c client reference. I felt i2c-bus is not
> ideal to represent i2c client device so used this name.

You did not respond to comment of using i2c-bus, just silently decided
to implement other property.

Anyway, why i2c-bus is not suitable here? I am quite surprised...



Best regards,
Krzysztof