linux-kernel - Re: [BUG] wireless: mt7601u: probe failed with error -110

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Message-ID: <20231126142634.3a100e2c@kernel.org>
Date:   Sun, 26 Nov 2023 14:26:34 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     cristian_ci <cristian_ci@...tonmail.com>
Cc:     "kvalo@...nel.org" <kvalo@...nel.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Felix Fietkau <nbd@....name>
Subject: Re: [BUG] wireless: mt7601u: probe failed with error -110

On Sat, 25 Nov 2023 13:03:45 +0000 cristian_ci wrote:
> I'm not the only one to have experienced this bug. I've been
> suggested to report that to kernel mailing list by linux support
> channels.
> 
> I've tested this bug against upstream 6.6.2 kernel tarball from the
> latest stable branch [1].
> 
> To solve this issue. I've also tried to patch mt7601u driver
> disabling mcu calibration. Which doesn't seem a wise idea because
> apparently it fixes probing but also hangs completely the machine
> after some seconds (so, it needs a hard/forced shutdown).

Does it work with the vendor driver? The upstream driver is just 
a rewrite of the vendor driver, I don't know much about the device
internals.

Maybe Lorenzo or Felix have some ideas.