Re: [REGRESSION] qcom/qcom-msm8960-samsung-expressatt: SSH over USB no longer works

[Thorsten Leemhuis]

On 10/1/26 04:39, Rudraksha Gupta wrote:
> On 9/29/26 03:43, Rudraksha Gupta wrote:
>
>> I can no longer SSH in via USB. Reverting
>> dd0c03d685225cb8fc60c477417d1b9c3b05ba9d fixes the issue.

FWIW, that is dd0c03d685225c ("usb: chipidea: udc: support dynamic
gadget add/remove") [v7.2-rc1] from Xu Yang, committed by Greg.

>> Please see below on logs that I captured over UART (v7.3.0-rc5) and
>> USB (v7.3.0-rc5 + revert).
>>
>> Distro is Nura (formerly postmarketOS). Using head of pmbootstrap/
>> pmaports. Instructions for this device:
>> https://wiki.nura.eco/wiki/Samsung_Galaxy_Express_SGH-I437_(samsung-
>> expressatt)
> 
> I have identified the culprit:
> 
>> CONFIG_USB_OTG_FSM=y
> 
> If (v7.3.0-rc5 + revert), then regardless of CONFIG_USB_OTG_FSM, SSH
> over USB works.
> 
> If (v7.3.0-rc5), then CONFIG_USB_OTG_FSM cannot be set to y. It must be
> not set.
Well, that is good to know, but shouldn't happen.

@Xu Yang: do you might have any idea what might be wrong here? Is this
something we should revert to "regroup and rethink" the approach and
reapply it later in improved form?

Ciao, Thorsten