Stanislaw Gruszka <sgruszka@xxxxxxxxxx> wrote:
> On some machines mt76x0u firmware can hung during resume,
> what result on messages like below:
>
> [ 475.480062] mt76x0 1-8:1.0: Error: MCU response pre-completed!
> [ 475.990066] mt76x0 1-8:1.0: Error: send MCU cmd failed:-110
> [ 475.990075] mt76x0 1-8:1.0: Error: MCU response pre-completed!
> [ 476.500003] mt76x0 1-8:1.0: Error: send MCU cmd failed:-110
> [ 476.500012] mt76x0 1-8:1.0: Error: MCU response pre-completed!
> [ 477.010046] mt76x0 1-8:1.0: Error: send MCU cmd failed:-110
> [ 477.010055] mt76x0 1-8:1.0: Error: MCU response pre-completed!
> [ 477.529997] mt76x0 1-8:1.0: Error: send MCU cmd failed:-110
> [ 477.530006] mt76x0 1-8:1.0: Error: MCU response pre-completed!
> [ 477.824907] mt76x0 1-8:1.0: Error: send MCU cmd failed:-71
> [ 477.824916] mt76x0 1-8:1.0: Error: MCU response pre-completed!
> [ 477.825029] usb 1-8: USB disconnect, device number 6
>
> and possible whole system freeze.
>
> This can be avoided, if we do not perform mt76x0_chip_onoff() reset.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 134b2d0d1fcf ("mt76x0: init files")
> Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
Patch applied to wireless-drivers.git, thanks.
8f2d163cb26d mt76: mt76x0u: do not reset radio on resume
--
https://patchwork.kernel.org/patch/11048769/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
