linux-kernel - Re: [PATCH] usb: core: hub: Disable autosuspend for VIA VL813 USB3.0 hub

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Message-ID: <cbb850f7-86db-3ddd-cece-c4e0d413c298@suse.com>
Date:   Tue, 11 Apr 2023 11:33:51 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     Jimmy Hu <hhhuuu@...gle.com>, stern@...land.harvard.edu,
        gregkh@...uxfoundation.org
Cc:     badhri@...gle.com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] usb: core: hub: Disable autosuspend for VIA VL813 USB3.0
 hub



On 11.04.23 10:31, Jimmy Hu wrote:
> The VIA VL813 USB3.0 hub appears to have an issue with autosuspend and
> detecting USB3 devices. This can be reproduced by connecting a USB3
> device to the hub after the hub enters autosuspend mode.

Hi,

out of interest, could you test whether this also applies to disconnections?
That is, does the hub reliably wake up if you unplug a device?

	Regards
		Oliver