linux-kernel - Re: [PATCH v9 01/10] dt-bindings: usb: qcom,dwc3: Add bindings for SC8280 Multiport

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Message-ID: <548e35a7-984d-a62f-ea4b-a5aeace8009a@quicinc.com>
Date:   Mon, 3 Jul 2023 00:41:59 +0530
From:   Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>
To:     Johan Hovold <johan@...nel.org>, Rob Herring <robh+dt@...nel.org>
CC:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        "Andy Gross" <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        "Konrad Dybcio" <konrad.dybcio@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Felipe Balbi <balbi@...nel.org>,
        "Wesley Cheng" <quic_wcheng@...cinc.com>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <quic_pkondeti@...cinc.com>, <quic_ppratap@...cinc.com>,
        <quic_jackp@...cinc.com>, <quic_harshq@...cinc.com>,
        <ahalaney@...hat.com>, <quic_shazhuss@...cinc.com>
Subject: Re: [PATCH v9 01/10] dt-bindings: usb: qcom,dwc3: Add bindings for
 SC8280 Multiport



On 6/27/2023 9:08 PM, Johan Hovold wrote:
> On Tue, Jun 27, 2023 at 01:20:59PM +0200, Johan Hovold wrote:
>> On Wed, Jun 21, 2023 at 10:06:19AM +0530, Krishna Kurapati wrote:
> 
>>> +          items:
>>> +            - const: dp1_hs_phy_irq
>>> +            - const: dm1_hs_phy_irq
>>> +            - const: dp2_hs_phy_irq
>>> +            - const: dm2_hs_phy_irq
>>> +            - const: dp3_hs_phy_irq
>>> +            - const: dm4_hs_phy_irq
>>> +            - const: dp4_hs_phy_irq
>>> +            - const: dm4_hs_phy_irq
>>> +            - const: ss1_phy_irq
>>> +            - const: ss2_phy_irq
>>> +            - const: pwr_event_1
>>> +            - const: pwr_event_2
>>> +            - const: pwr_event_3
>>> +            - const: pwr_event_4
>>
>> The naming here is inconsistent and interrupts should not have "_irq"
>> suffixes (even if some of the current ones do for historical reasons).
>>
>> I believe these should be named
>>
>> 	pwr_event_1
>> 	dp_hs_phy_1
>> 	dm_hs_phy_1
>> 	ss_phy_1
>>
>> 	pwr_event_2
>> 	dp_hs_phy_2
>> 	dm_hs_phy_2
>> 	ss_phy_2
>>
>> 	pwr_event_3
>> 	dp_hs_phy_3
>> 	dm_hs_phy_3
>>
>> 	pwr_event_4
>> 	dp_hs_phy_4
>> 	dm_hs_phy_4
>>
>> or similar and be grouped by port while using the the
>> qcom,sc8280xp-dwc ordering for the individual lines.
> 
> Perhaps the ordering you suggested is fine too, but I'd probably move
> the pwr_event ones first to match qcom,sc8280xp-dwc then, that is:
> 
>   	pwr_event_1
>   	pwr_event_2
>   	pwr_event_3
>   	pwr_event_4
>   	dp_hs_phy_1
>   	dm_hs_phy_1
>   	dp_hs_phy_2
>   	dm_hs_phy_2
>   	dp_hs_phy_3
>   	dm_hs_phy_3
>   	dp_hs_phy_4
>   	dm_hs_phy_4
>   	ss_phy_1
>   	ss_phy_2
> 
> so we have them grouped as pwr_event followed by HS and with SS last.
> 
>> Side note: Please note how the above interrupt properties can also be
>> used to infer the number of HS and SS ports.
> 
> Johan

Can't we just cleanup all at once later ? Might not be a good idea for 
some properties in the file to have _irq and for some to not have it. I 
will modify the order though.

Regards,
Krishna,