aleksander/qmi-firmware-update v2: dms-list-stored-images on MC7430

Aleksander Morgado aleksander at aleksander.es
Fri Jan 20 08:43:31 UTC 2017


Hey

>
> And here is a MC7455 update from 02.08.02.00 to 02.20.03.00, using
> qmi-firmware-update.I have attached command log and the verbose
> qmi-firmware-log.
>
> The interesting in this was first, that it did already hold 3 different
> firmwares (to my knowledge this module arrived like this), however none of
> them where 02.20.03.00, the second thing was that I did experience the QMI
> communication issue after the firmware update (resolved with an at!reset). I
> have attached complete logs.
>

Oh!

The qmi-firmware-upgrade tool used /dev/cdc-wdm0 before the image
download and then used /dev/cdc-wdm1 after the reset that was
triggered after the images were downloaded. You were trying to use
/dev/cdc-wdm0 after that same reset, which was the device left behind
before the upgrade; had you used cdc-wdm1, it would have probably
worked without needing the AT!RESET.

Looking at the logs, it seems we didn't get any event for cdc-wdm0
being removed; and we did get an udev event for /dev/cdc-wdm1 being
added after the reset; so that is why the updater tool used cdc-wdm1.

I need to check this, no idea why that happened. Bjørn, any idea?

-- 
Aleksander
https://aleksander.es


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