linux-kernel - Re: [PATCH v3 3/5] arm64: dts: qcom: Add support for Dell Inspiron 7441 / Latitude 7455

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Message-ID: <24b87877-8132-4cab-a0d7-f139bdc34d92@packett.cool>
Date: Tue, 15 Jul 2025 15:00:49 -0300
From: Val Packett <val@...kett.cool>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/5] arm64: dts: qcom: Add support for Dell Inspiron
 7441 / Latitude 7455


On 7/14/25 10:35 AM, Konrad Dybcio wrote:
> On 7/6/25 10:50 PM, Val Packett wrote:
>> +	wcd938x: audio-codec {
>> +		compatible = "qcom,wcd9385-codec";
>> +
>> +		pinctrl-names = "default";
>> +		pinctrl-0 = <&wcd_default>;
> Please do:
>
> property-n
> property-names
Ack
>> +&usb_mp_dwc3 {
>> +	phys = <&usb_mp_hsphy0>, <&usb_mp_qmpphy0>;
>> +	phy-names = "usb2-0", "usb3-0";
>> +};
> Let's not override this, so that the driver can still put the
> remaining ones to sleep cleanly

This was added for a reason, after all-
Just tested booting without this, and the USB-A port does not work, with 
this in dmesg:

platform a400000.usb: deferred probe pending: dwc3: failed to initialize 
core

So it seems like the other ones "don't exist" / have been shut down 
completely by boot firmware(?)

Will add a clarifying comment.

~val