linux-kernel - Re: [PATCH v8 1/9] dt-bindings: usb: qcom,dwc3: Add bindings for SC8280 Multiport

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Date:   Wed, 17 May 2023 13:44:23 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        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>,
        Rob Herring <robh+dt@...nel.org>,
        Felipe Balbi <balbi@...nel.org>, 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_wcheng@...cinc.com,
        quic_jackp@...cinc.com, quic_harshq@...cinc.com,
        ahalaney@...hat.com
Subject: Re: [PATCH v8 1/9] dt-bindings: usb: qcom,dwc3: Add bindings for
 SC8280 Multiport

On Wed, May 17, 2023 at 04:40:11PM +0530, Krishna Kurapati PSSNV wrote:
> On 5/16/2023 4:29 PM, Johan Hovold wrote:
> > On Sun, May 14, 2023 at 11:19:09AM +0530, Krishna Kurapati wrote:

> >> +        interrupts:
> >> +          maxItems: 7
> >> +        interrupt-names:
> >> +          items:
> >> +            - const: dp_hs_phy_irq
> >> +            - const: dm_hs_phy_irq
> >> +            - const: ss_phy_irq
> > 
> > I assume that these are only for the first port, and that you need to
> > define these interrupts also for ports 2-4.

>   I wanted to add them when wakeup-source is enabled but since you 
> mentioned that these must be added now and driver support can be added 
> later, I will make a patch separately for this in v9.

>   Can I use the following notation for the new interrupts ?
> 
> dp_hs_port2_irq
> dm_hs_port2_irq
> dp_hs_port3_irq
> dm_hs_port3_irq
> dp_hs_port4_irq
> dm_hs_port4_irq
> 
> 
> That way the interrupt names for first port will be same as ones for 
> single port.

For consistency, I'd say: use the same scheme also for port1. Perhaps
"port" is unnecessary too.

And since these are getting new names, you can drop the redundant "_irq"
suffix as you did for the power-event lines.

For example:

	pwr_event_1
	dp_hs_phy_1
	dm_hs_phy_1
	ss_phy_1
	...

> Wanted to clarify this before I make a formal patch.

Note that I have some more comments on the remaining patches in the
series that you may want to wait for before posting v9.

Johan