From: Kalle Valo <kvalo@codeaurora.org>
To: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: linux-wireless@vger.kernel.org, Felix Fietkau <nbd@nbd.name>,
Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Subject: Re: [PATCH 5.3] mt76: mt76x0u: do not reset radio on resume
Date: Tue, 20 Aug 2019 13:58:47 +0000 (UTC) [thread overview]
Message-ID: <20190820135849.10CD060A44@smtp.codeaurora.org> (raw)
In-Reply-To: <1563446290-2813-1-git-send-email-sgruszka@redhat.com>
Stanislaw Gruszka <sgruszka@redhat.com> 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@vger.kernel.org
> Fixes: 134b2d0d1fcf ("mt76x0: init files")
> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
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
prev parent reply other threads:[~2019-08-20 13:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-18 10:38 [PATCH 5.3] mt76: mt76x0u: do not reset radio on resume Stanislaw Gruszka
[not found] ` <20190719004524.4AC232184E@mail.kernel.org>
2019-07-19 5:48 ` Stanislaw Gruszka
2019-08-20 13:58 ` Kalle Valo [this message]
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