On Thu, Nov 25, 2021 at 10:20:24AM +0100, Thomas Perrot wrote:
> Hi Mani,
>
> On Wed, 2021-11-24 at 16:17 +0100, Aleksander Morgado wrote:
> > Hey Mani,
> >
> > On Wed, Nov 24, 2021 at 2:22 PM Manivannan Sadhasivam
> > <manivannan.sadhasivam@xxxxxxxxxx> wrote:
> > >
> > > Some devices tend to trigger SYS_ERR interrupt while the host
> > > handling
> > > SYS_ERR state of the device during power up. This creates a race
> > > condition and causes a failure in booting up the device.
> > >
> > > The issue is seen on the Sierra Wireless EM9191 modem during SYS_ERR
> > > handling in mhi_async_power_up(). Once the host detects that the
> > > device
> > > is in SYS_ERR state, it issues MHI_RESET and waits for the device to
> > > process the reset request. During this time, the device triggers
> > > SYS_ERR
> > > interrupt to the host and host starts handling SYS_ERR execution.
> > >
> > > So by the time the device has completed reset, host starts SYS_ERR
> > > handling. This causes the race condition and the modem fails to boot.
> > >
> > > Hence, register the IRQ handler only after handling the SYS_ERR check
> > > to avoid getting spurious IRQs from the device.
> > >
> > > Cc: stable@xxxxxxxxxxxxxxx
> > > Fixes: e18d4e9fa79b ("bus: mhi: core: Handle syserr during power_up")
> > > Reported-by: Aleksander Morgado <aleksander@xxxxxxxxxxxxx>
> > > Signed-off-by: Manivannan Sadhasivam <
> > > manivannan.sadhasivam@xxxxxxxxxx>
> > > ---
> > >
> > > Changes in v4:
> > >
> > > * Reverted the change that moved BHI_INTVEC as that was causing issue
> > > as
> > > reported by Aleksander.
> > >
> > > Changes in v3:
> > >
> > > * Moved BHI_INTVEC setup after irq setup
> > > * Used interval_us as the delay for the polling API
> > >
> > > Changes in v2:
> > >
> > > * Switched to "mhi_poll_reg_field" for detecting MHI reset in device.
> > >
> >
> > So far so good, works without issues in both reboots and cold boots.
> > Thanks!
> >
>
> I also tested, I no longer observe reboot related issue on EM919x.
> Thanks!
>
Thanks! Will add your tested-by tag also.
Regards,
Mani
> Best regards,
> Thomas
>
> > Posting here an example log for reference:
> >
> > root@OpenWrt:~# dmesg | grep mhi
> > [ 7.022756] mhi-pci-generic 0000:01:00.0: MHI PCI device found:
> > sierra-em919x
> > [ 7.029931] mhi-pci-generic 0000:01:00.0: BAR 0: assigned [mem
> > 0x600000000-0x600000fff 64bit]
> > [ 7.038495] mhi-pci-generic 0000:01:00.0: enabling device (0000 ->
> > 0002)
> > [ 7.045311] mhi-pci-generic 0000:01:00.0: using shared MSI
> > [ 7.051420] mhi mhi0: Requested to power ON
> > [ 7.055637] mhi mhi0: Attempting power on with EE: PASS THROUGH,
> > state: SYS ERROR
> > [ 7.176024] mhi mhi0: Power on setup success
> > [ 7.176082] mhi mhi0: Handling state transition: PBL
> > [ 7.180322] mhi mhi0: local ee: INVALID_EE state: RESET device ee:
> > MISSION MODE state: READY
> > [ 7.193852] mhi mhi0: Device in READY State
> > [ 7.198043] mhi mhi0: Initializing MHI registers
> > [ 7.202712] mhi mhi0: Wait for device to enter SBL or Mission mode
> > [ 15.351002] mhi mhi0: local ee: MISSION MODE state: READY device
> > ee: MISSION MODE state: READY
> > [ 15.509984] mhi mhi0: State change event to state: M0
> > [ 15.510001] mhi mhi0: local ee: MISSION MODE state: READY device
> > ee: MISSION MODE state: M0
> > [ 15.523459] mhi mhi0: Received EE event: MISSION MODE
> > [ 15.523463] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 15.536629] mhi mhi0: Handling state transition: MISSION MODE
> > [ 15.542393] mhi mhi0: Processing Mission Mode transition
> > [ 15.549246] mhi_net mhi0_IP_HW0: 100: Updating channel state to:
> > START
> > [ 15.647776] mhi_net mhi0_IP_HW0: 100: Channel state change to START
> > successful
> > [ 15.647795] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 15.663196] mhi_net mhi0_IP_HW0: 101: Updating channel state to:
> > START
> > [ 15.719309] mhi_net mhi0_IP_HW0: 101: Channel state change to START
> > successful
> > [ 15.719314] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 17.851014] mhi mhi0: Allowing M3 transition
> > [ 17.855347] mhi mhi0: Waiting for M3 completion
> > [ 17.987550] mhi mhi0: State change event to state: M3
> > [ 17.987568] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M3
> > [ 21.851920] mhi_wwan_ctrl mhi0_DUN: 32: Updating channel state to:
> > START
> > [ 21.876065] mhi mhi0: Entered with PM state: M3, MHI state: M3
> > [ 21.900513] mhi mhi0: State change event to state: M0
> > [ 21.900538] mhi mhi0: local ee: MISSION MODE state: M3 device ee:
> > MISSION MODE state: M0
> > [ 21.921710] mhi_wwan_ctrl mhi0_DUN: 32: Channel state change to
> > START successful
> > [ 21.921713] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 21.937308] mhi_wwan_ctrl mhi0_DUN: 33: Updating channel state to:
> > START
> > [ 21.946170] mhi_wwan_ctrl mhi0_DUN: 33: Channel state change to
> > START successful
> > [ 21.946172] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 21.981308] mhi_wwan_ctrl mhi0_DIAG: 4: Updating channel state to:
> > START
> > [ 21.990184] mhi_wwan_ctrl mhi0_DIAG: 4: Channel state change to
> > START successful
> > [ 21.990186] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 22.005697] mhi_wwan_ctrl mhi0_DIAG: 5: Updating channel state to:
> > START
> > [ 22.014547] mhi_wwan_ctrl mhi0_DIAG: 5: Channel state change to
> > START successful
> > [ 22.014549] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 22.043376] mhi_wwan_ctrl mhi0_DIAG: mhi_ul_xfer_cb: status: 0
> > xfer_len: 5
> > [ 22.043380] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 22.050277] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 22.058371] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: 0
> > receive_len: 58
> > [ 22.073988] mhi_wwan_ctrl mhi0_DIAG: 5: Updating channel state to:
> > RESET
> > [ 22.082292] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 22.082294] mhi_wwan_ctrl mhi0_DIAG: 5: Channel state change to
> > RESET successful
> > [ 22.097778] mhi mhi0: Marking all events for chan: 5 as stale
> > [ 22.103523] mhi mhi0: Finished marking events as stale events
> > [ 22.109271] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.116676] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.124076] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.131476] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.138874] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.146274] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.153672] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.161071] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.168470] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.175870] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.183268] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.190666] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.198065] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.205463] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.212862] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.220260] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.227660] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.235059] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.242457] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.249855] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.257253] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.264651] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.272049] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.279448] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.286846] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.294245] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.301643] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.309041] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.316440] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.323838] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.331237] mhi_wwan_ctrl mhi0_DIAG: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 22.338666] mhi_wwan_ctrl mhi0_DIAG: 5: successfully reset
> > [ 22.344157] mhi_wwan_ctrl mhi0_DIAG: 4: Updating channel state to:
> > RESET
> > [ 22.352753] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 22.352758] mhi_wwan_ctrl mhi0_DIAG: 4: Channel state change to
> > RESET successful
> > [ 22.368356] mhi mhi0: Marking all events for chan: 4 as stale
> > [ 22.374106] mhi mhi0: Finished marking events as stale events
> > [ 22.379910] mhi_wwan_ctrl mhi0_DIAG: 4: successfully reset
> > [ 22.388072] mhi_wwan_ctrl mhi0_QMI: 14: Updating channel state to:
> > START
> > [ 22.397188] mhi_wwan_ctrl mhi0_QMI: 14: Channel state change to
> > START successful
> > [ 22.397190] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 22.412690] mhi_wwan_ctrl mhi0_QMI: 15: Updating channel state to:
> > START
> > [ 22.424017] mhi_wwan_ctrl mhi0_QMI: 15: Channel state change to
> > START successful
> > [ 22.424021] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 25.917106] mhi_wwan_ctrl mhi0_DUN: mhi_ul_xfer_cb: status: 0
> > xfer_len: 4
> > [ 25.917125] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 25.935842] mhi_wwan_ctrl mhi0_DUN: mhi_ul_xfer_cb: status: 0
> > xfer_len: 4
> > [ 25.935852] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 25.942645] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 3
> > [ 25.950734] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 25.957768] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 6
> > [ 25.972897] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 3
> > [ 25.979950] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 6
> > [ 25.979953] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 25.995084] mhi_wwan_ctrl mhi0_DUN: mhi_ul_xfer_cb: status: 0
> > xfer_len: 9
> > [ 25.995269] mhi_wwan_ctrl mhi0_DUN: 33: Updating channel state to:
> > RESET
> > [ 26.001872] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 8
> > [ 26.001879] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 39
> > [ 26.024415] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 26.024418] mhi_wwan_ctrl mhi0_DUN: 33: Channel state change to
> > RESET successful
> > [ 26.039893] mhi mhi0: Marking all events for chan: 33 as stale
> > [ 26.045723] mhi mhi0: Finished marking events as stale events
> > [ 26.051468] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.058780] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.066092] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.073404] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.080715] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.088027] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.095337] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.102650] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.109965] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.117279] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.124589] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.131900] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.139211] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.146521] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.153831] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.161142] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.168452] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.175763] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.183073] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.190385] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.197695] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.205006] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.212315] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.219627] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.226937] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.234248] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.241558] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.248869] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 26.256206] mhi_wwan_ctrl mhi0_DUN: 33: successfully reset
> > [ 26.261695] mhi_wwan_ctrl mhi0_DUN: 32: Updating channel state to:
> > RESET
> > [ 26.270660] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 26.270669] mhi_wwan_ctrl mhi0_DUN: 32: Channel state change to
> > RESET successful
> > [ 26.286159] mhi mhi0: Marking all events for chan: 32 as stale
> > [ 26.291992] mhi mhi0: Finished marking events as stale events
> > [ 26.297761] mhi_wwan_ctrl mhi0_DUN: 32: successfully reset
> > [ 30.355529] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 12
> > [ 30.355543] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 30.362450] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 12
> > [ 30.370546] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 30.377411] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 12
> > [ 30.392643] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 12
> > [ 30.399531] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 228
> > [ 30.406757] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 12
> > [ 30.413636] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 228
> > [ 30.420863] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 12
> > [ 30.427754] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 228
> > [ 30.434992] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 12
> > [ 30.441882] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 228
> > [ 30.449115] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 12
> > [ 30.456012] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 228
> > [ 30.463268] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 228
> > [ 30.470516] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 228
> > [ 30.479754] mhi_wwan_ctrl mhi0_QMI: 15: Updating channel state to:
> > RESET
> > [ 30.489207] mhi_wwan_ctrl mhi0_QMI: 15: Channel state change to
> > RESET successful
> > [ 30.489210] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 30.504704] mhi mhi0: Marking all events for chan: 15 as stale
> > [ 30.510536] mhi mhi0: Finished marking events as stale events
> > [ 30.516284] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.523598] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.530911] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.538224] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.545535] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.552847] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.560157] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.567468] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.574779] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.582091] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.589402] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.596713] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.604024] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.611335] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.618645] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.625957] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.633291] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.640618] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.647946] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.655297] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.662627] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.669949] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.677262] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.684572] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.691888] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.699199] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.706509] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.713820] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.721131] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.728441] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.735752] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: -107
> > receive_len: 0
> > [ 30.743092] mhi_wwan_ctrl mhi0_QMI: 15: successfully reset
> > [ 30.748605] mhi_wwan_ctrl mhi0_QMI: 14: Updating channel state to:
> > RESET
> > [ 30.761269] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 30.769375] mhi_wwan_ctrl mhi0_QMI: 14: Channel state change to
> > RESET successful
> > [ 30.776780] mhi mhi0: Marking all events for chan: 14 as stale
> > [ 30.782613] mhi mhi0: Finished marking events as stale events
> > [ 30.788371] mhi_wwan_ctrl mhi0_QMI: 14: successfully reset
> > [ 30.794771] mhi_wwan_ctrl mhi0_QMI: 14: Updating channel state to:
> > START
> > [ 30.803532] mhi_wwan_ctrl mhi0_QMI: 14: Channel state change to
> > START successful
> > [ 30.803535] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 30.819038] mhi_wwan_ctrl mhi0_QMI: 15: Updating channel state to:
> > START
> > [ 30.828331] mhi_wwan_ctrl mhi0_QMI: 15: Channel state change to
> > START successful
> > [ 30.828333] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 31.925717] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 12
> > [ 31.925723] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 31.932639] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 31.940747] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 12
> > [ 31.955964] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 228
> > [ 31.978521] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 16
> > [ 31.978523] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 31.985418] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 31.993503] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.012893] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.012897] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.019777] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 77
> > [ 32.027861] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.054892] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 16
> > [ 32.054894] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.061787] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.069867] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 17
> > [ 32.084825] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.091966] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.123615] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 16
> > [ 32.123618] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.130510] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.138594] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.168928] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.168935] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 16
> > [ 32.183929] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.183937] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.203362] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 16
> > [ 32.203363] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.210246] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.218328] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.236614] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 16
> > [ 32.236616] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.243512] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.251618] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.269860] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 16
> > [ 32.269862] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.276745] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.284834] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.304246] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 16
> > [ 32.304247] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.311135] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.319241] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.339188] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 16
> > [ 32.339193] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.346078] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.354158] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.369801] mhi_wwan_ctrl mhi0_DUN: 32: Updating channel state to:
> > START
> > [ 32.379359] mhi_wwan_ctrl mhi0_DUN: 32: Channel state change to
> > START successful
> > [ 32.379361] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.394877] mhi_wwan_ctrl mhi0_DUN: 33: Updating channel state to:
> > START
> > [ 32.404051] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.404052] mhi_wwan_ctrl mhi0_DUN: 33: Channel state change to
> > START successful
> > [ 32.423401] mhi_wwan_ctrl mhi0_DUN: mhi_ul_xfer_cb: status: 0
> > xfer_len: 6
> > [ 32.423403] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.430201] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.438282] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.453242] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 294
> > [ 32.460474] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 5
> > [ 32.467535] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 6
> > [ 32.467538] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.482675] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.489557] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.489560] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 26
> > [ 32.489567] mhi_wwan_ctrl mhi0_DUN: mhi_ul_xfer_cb: status: 0
> > xfer_len: 6
> > [ 32.504790] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.511569] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 6
> > [ 32.526694] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.533572] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 197
> > [ 32.533574] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.548873] mhi_wwan_ctrl mhi0_DUN: mhi_ul_xfer_cb: status: 0
> > xfer_len: 11
> > [ 32.555749] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 6
> > [ 32.555752] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.562793] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.577748] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.577750] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 52
> > [ 32.577755] mhi_wwan_ctrl mhi0_DUN: mhi_ul_xfer_cb: status: 0
> > xfer_len: 6
> > [ 32.592974] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.599753] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 9
> > [ 32.614877] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.621756] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.621758] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 29
> > [ 32.621765] mhi_wwan_ctrl mhi0_DUN: mhi_ul_xfer_cb: status: 0
> > xfer_len: 7
> > [ 32.629862] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.636985] mhi_wwan_ctrl mhi0_DUN: mhi_dl_xfer_cb: status: 0
> > receive_len: 9
> > [ 32.643764] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.651846] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.673835] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 77
> > [ 32.684996] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 27
> > [ 32.684998] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.691894] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.699994] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 20
> > [ 32.715206] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 29
> > [ 32.726784] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.726788] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.733667] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 26
> > [ 32.741756] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.759982] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.759985] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.766864] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 42
> > [ 32.774951] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.794333] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.794337] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.801215] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 145
> > [ 32.809294] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.828654] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.828657] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.835554] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.843638] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 24
> > [ 32.862183] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 20
> > [ 32.862186] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.869074] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.877162] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 27
> > [ 32.896556] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.896558] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.903446] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.911532] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 12
> > [ 32.926749] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 116
> > [ 32.938214] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.938223] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.945134] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 116
> > [ 32.953218] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.972615] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 32.972619] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 32.979497] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 20
> > [ 32.987579] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 33.005791] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 33.005793] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 33.012673] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 33.020759] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 90
> > [ 35.011999] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 35.012012] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 35.018924] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 90
> > [ 35.027016] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 35.034131] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 12
> > [ 37.011548] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 37.011554] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 37.018476] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 37.026567] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 90
> > [ 39.012483] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 39.012497] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 39.019413] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 90
> > [ 39.027510] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 39.034617] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 12
> > [ 41.010833] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 41.010839] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 41.017760] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 41.025856] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 90
> > [ 43.010424] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 43.010431] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 43.017356] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 43.025455] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 90
> > [ 45.009911] mhi_wwan_ctrl mhi0_QMI: mhi_ul_xfer_cb: status: 0
> > xfer_len: 13
> > [ 45.009918] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 45.016839] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> > [ 45.024933] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 90
> > [ 47.523933] mhi mhi0: Allowing M3 transition
> > [ 47.528247] mhi mhi0: Waiting for M3 completion
> > [ 47.569544] mhi mhi0: State change event to state: M3
> > [ 47.569567] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M3
> > [ 48.632075] mhi mhi0: Entered with PM state: M3, MHI state: M3
> > [ 48.650239] mhi mhi0: State change event to state: M0
> > [ 48.650247] mhi mhi0: local ee: MISSION MODE state: M3 device ee:
> > MISSION MODE state: M0
> > [ 48.667040] mhi_wwan_ctrl mhi0_QMI: mhi_dl_xfer_cb: status: 0
> > receive_len: 12
> > [ 48.667043] mhi mhi0: local ee: MISSION MODE state: M0 device ee:
> > MISSION MODE state: M0
> >
> >
> >
> >
>
> --
> Thomas Perrot, Bootlin
> Embedded Linux and kernel engineering
> https://bootlin.com
>
