linux-kernel - Re: usb hotplug broken on v6.5.12

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Message-ID: <28799328-a70c-40ff-ae4a-cf1933c8dbc5@amd.com>
Date:   Tue, 28 Nov 2023 08:14:57 -0600
From:   Mario Limonciello <mario.limonciello@....com>
To:     Sebastian Ott <sebott@...hat.com>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Basavaraj Natikar <Basavaraj.Natikar@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: usb hotplug broken on v6.5.12

On 11/28/2023 07:12, Sebastian Ott wrote:
> Hej,
> 
> usb hotplug doesn't work for me running stable kernel v6.5.12 on an AMD
> based Thinkpad t495s. Bisect pointed to 7b8ae3c24ef ("xhci: Loosen RPM as
> default policy to cover for AMD xHC 1.1") - which is 4baf1218150 upstream.
> 
> Reverting that from 6.5.12 fixes the issue for me.
> Current upstream rc kernel contains this patch but doesn't show the issue.
> 
> Regards,
> Sebastian
> 

I believe it's the same discussion as 
https://lore.kernel.org/stable/5993222.lOV4Wx5bFT@natalenko.name/#t

The outcome was that another missing patch is in the stable queue for 
various kernels and will be part of the next stable release for various 
kernels.