linux-kernel - Re: [PATCH 1/2] usb: dwc3: core: Introduce dwc3_device

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Date:	Mon, 11 Apr 2016 16:28:25 +0300
From:	Felipe Balbi <balbi@...nel.org>
To:	Roger Quadros <rogerq@...com>, John Youn <John.Youn@...opsys.com>
Cc:	"nsekhar\@ti.com" <nsekhar@...com>,
	"linux-usb\@vger.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"Shankar\, Abhishek" <a.shankar@...com>,
	"B\, Ravi" <ravibabu@...com>
Subject: Re: [PATCH 1/2] usb: dwc3: core: Introduce dwc3_device_reinit()


Hi,

Roger Quadros <rogerq@...com> writes:
>>> how many weeks is acceptable for you? I can run for that long, no problem.
>>> And what if the issue doesn't happen in that time frame, would you still
>>> consider this case?
>> 
>> Well, there's always the possibility we have never triggered the issue
>> to start with :-) What happens if you remove the the current workaround,
>> set maximum-speed to high-speed and constantly toggle run/stop bit
>> (there's a soft-connect file under the UDC's directory in sysfs). Can
>> you ever cause the problems ?
>
> I had tried a with max-speed set to high-speed and a script that just
> reloads g_zero.
>
> That should toggle Run/Stop right?

yes it should.

> Running this overnight didn't cause any problems.

as you can see, it's a difficult problem to trigger :-)

-- 
balbi

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