[PATCH] qmi-firmware-update: support USB3->USB2 mode changes during upgrade

Tue Jan 23 15:02:18 UTC 2018

Ouch.  Do you have a

 /sys/bus/usb/devices/2-2/port/peer

symlink when the modem is running normally?

Bjørn

Paul Gildea <gildeap at tcd.ie> writes:

> Hi Aleksander,
>
> Sorry about the delay being able to test this. I saw you applied Bjørn's
> patch to 1.18.2 and 1.20.0. I tested 1.18.2 now and unfortunately it didn't
> work. Same result as before with the applicationnot recognising the USB2
> port, rebooting and recognising USB3 port.
>
> [23 Jan 2018, 15:34:09] [Debug] [qfu,utils] operating mode set
>> successfully...
>> [23 Jan 2018, 15:34:09] [Debug] [qfu-updater] reset requested
>> successfully...
>> [23 Jan 2018, 15:34:09] [Debug] [qfu-updater] cleaning up QMI device...
>> [23 Jan 2018, 15:34:09] [Debug] [/dev/cdc-wdm6] Releasing 'dms' client
>> with flags 'none'...
>> [23 Jan 2018, 15:34:09] [Debug] [/dev/cdc-wdm6] Unregistered 'dms' client
>> with ID '2'
>> rebooting in download mode...
>> [23 Jan 2018, 15:34:09] [Debug] [qfu-updater] reset requested, now waiting
>> for TTY device...
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove ttyUSB10
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove ttyUSB11
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.0
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.2
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove ttyUSB12
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.3
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove wwan6
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove cdc-wdm6
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.8
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove wwan7
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove cdc-wdm7
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.10
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2
>> [23 Jan 2018, 15:34:28] [Debug] [qfu-udev] event: add 1-1
>> [23 Jan 2018, 15:34:28] [Debug] [qfu-udev] event: add 1-1:1.0
>>
>> *[23 Jan 2018, 15:34:28] [Debug] [qfu-udev] event: add ttyUSB10[23 Jan
>> 2018, 15:34:58] [Debug] [qfu-udev] event: remove ttyUSB10*
>> [23 Jan 2018, 15:34:58] [Debug] [qfu-udev] event: remove 1-1:1.0
>> [23 Jan 2018, 15:34:58] [Debug] [qfu-udev] event: remove 1-1
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.3
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.8
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.2
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add cdc-wdm6
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.0
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.10
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add cdc-wdm7
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add ttyUSB12
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] waiting device (tty) matched:
>> ttyUSB12
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-updater] TTY device found:
>> /dev/ttyUSB12
>> download mode detected
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] opening TTY: /dev/ttyUSB12
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] setting terminal in raw
>> mode...
>> [23 Jan 2018, 15:35:07] [Debug] [qfu,dload-message] sent sdp:
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] >> 70:00:00 [3, unframed]
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] >> 7E:70:00:00:14:46:7E
>> [7]
>> error: error creating device: timed out waiting for the response
>> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add ttyUSB10
>> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add wwan6
>> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add ttyUSB11
>> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add wwan7
>> [root at Desk /]#
>
>
>
> [  794.874702] usb 2-2: USB disconnect, device number 8
>> [  794.874986] qcserial ttyUSB10: Qualcomm USB modem converter now
>> disconnected from ttyUSB10
>> [  794.874999] qcserial 2-2:1.0: device disconnected
>> [  794.875190] qcserial ttyUSB11: Qualcomm USB modem converter now
>> disconnected from ttyUSB11
>> [  794.875203] qcserial 2-2:1.2: device disconnected
>> [  794.875571] qcserial ttyUSB12: Qualcomm USB modem converter now
>> disconnected from ttyUSB12
>> [  794.875581] qcserial 2-2:1.3: device disconnected
>> [  794.875652] qmi_wwan 2-2:1.8 wwan6: unregister 'qmi_wwan'
>> usb-0000:00:14.0-2, WWAN/QMI device
>> [  794.882022] qmi_wwan 2-2:1.10 wwan7: unregister 'qmi_wwan'
>> usb-0000:00:14.0-2, WWAN/QMI device
>> [  795.579657] usb 1-1: new high-speed USB device number 7 using xhci_hcd
>> [  795.744560] usb 1-1: New USB device found, idVendor=1199, idProduct=9070
>> [  795.744564] usb 1-1: New USB device strings: Mfr=1, Product=2,
>> SerialNumber=3
>> [  795.744566] usb 1-1: Product: Sierra Wireless MC7455 Qualcomm
>> [  795.744568] usb 1-1: Manufacturer: Sierra Wireless, Incorporated
>> [  795.744570] usb 1-1: SerialNumber: LQ71474252031020
>> [  795.745059] qcserial 1-1:1.0: Qualcomm USB modem converter detected
>>
>>
>> *[  795.745136] usb 1-1: Qualcomm USB modem converter now attached to
>> ttyUSB10[  825.374390] usb 1-1: USB disconnect, device number 7[
>>  825.374668] qcserial ttyUSB10: Qualcomm USB modem converter now
>> disconnected from ttyUSB10*
>> [  825.374680] qcserial 1-1:1.0: device disconnected
>
>
>
> Regards,
>
> --
> Paul
>
> On 17 January 2018 at 16:59, Paul Gildea <gildeap at tcd.ie> wrote:
>
>> Hi Aleksander,
>>
>> Sure thing, I'll get back to you with the results when I can.
>>
>> Looks good! Thanks guys,
>>
>> --
>> Paul
>>
>> On 17 January 2018 at 16:45, Aleksander Morgado <aleksander at aleksander.es>
>> wrote:
>>
>>> Hey Paul,
>>>
>>> On Wed, Jan 17, 2018 at 3:02 PM, Bjørn Mork <bjorn at mork.no> wrote:
>>> > Modems operating in USB3 SuperSpeed mode may change to
>>> > USB2 HighSpeed mode while in boot-and-hold. This changes
>>> > the USB port name, causing device matching failure.
>>> >
>>> > Fix by accepting matches on both the original USB(3) port and
>>> > the "peer" USB(2) port.
>>> >
>>>
>>> Any chance you can give this patch a try?
>>>
>>> --
>>> Aleksander
>>> https://aleksander.es
>>>
>>
>>