RFC: aleksander/qmi-firmware-update branch

[Dan Williams]

On Thu, 2016-12-08 at 23:42 +0100, Aleksander Morgado wrote:
> Hey,
> 
> One interesting thing I noticed; unlike the 9200 or the 9x15 devices
> I've played with, in the MC7455 (a 9x30) you can run the
> qmi-firmware-update program to flash multiple firmware image pairs
> (modem+pri) and they are all kept stored in the device; i.e. you can
> have more than one image at the same time stored, and then you can
> use
> --dms-list-stored-images, --dms-select-stored-image and
> --dms-delete-stored-image to play with them. You can also have for
> example the base 02.20.03.00 firmware image and per-carrier
> ATT/Rogers/Bell/Generic pri images all stored in the device, and
> switch between them without needing to run the flashing tool. This is
> a usecase which was already supported and tested with libqmi and
> ModemManager since a some time ago (but tested only with one
> Foxconn/Novatel device and without being able to upload new
> firmware).

I think that's something the card maker can choose when they build the
firmware.  Some Gobi 3K devices do it, and Sierra MC7700/MC7750 also
have the capability.

Dan