Firmware update of MC7455 timing out.

[Bjørn Mork]

Aleksander Morgado <aleksander at aleksander.es> writes:

> On Thu, Jan 11, 2018 at 1:09 PM, Bjørn Mork <bjorn at mork.no> wrote:
>> Paul Gildea <gildeap at tcd.ie> writes:
>>
>>> I notice that when the modem reboots and comes back up in the download mode
>>> (9070) it's has a different USB path than during application mode (9071)
>>> where /dev/ttyUSB2 is detected erroneously: Application mode: 2-3 (USB3)
>>> download mode:  1-6 (USB2). I suspect this is the issue.
>>
>> This might very well be it!  Note that I have never tried firmware
>> updates on any USB3 connected modem, so I would not have hit this issue.
>
> Oh! really need a USB3 capable USB adapter to test this.

Yes...

> I wonder how we can try to solve this in a reliable way...

Take a look at the

 /sys/bus/usb/devices/x-y/port/peer

links?


Bjørn