linux-kernel - RE: [PATCH v4] thunderbolt: Explicitly enable lane adapter hotplug events at startup

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Message-ID: <MN0PR12MB61015D287945A57D82910CE4E2529@MN0PR12MB6101.namprd12.prod.outlook.com>
Date:   Mon, 26 Sep 2022 14:54:22 +0000
From:   "Limonciello, Mario" <Mario.Limonciello@....com>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>
CC:     Andreas Noever <andreas.noever@...il.com>,
        Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <YehezkelShB@...il.com>,
        "Mehta, Sanju" <Sanju.Mehta@....com>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v4] thunderbolt: Explicitly enable lane adapter hotplug
 events at startup

[Public]



> -----Original Message-----
> From: Mika Westerberg <mika.westerberg@...ux.intel.com>
> Sent: Monday, September 26, 2022 09:53
> To: Limonciello, Mario <Mario.Limonciello@....com>
> Cc: Andreas Noever <andreas.noever@...il.com>; Michael Jamet
> <michael.jamet@...el.com>; Yehezkel Bernat <YehezkelShB@...il.com>;
> Mehta, Sanju <Sanju.Mehta@....com>; stable@...r.kernel.org; linux-
> usb@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v4] thunderbolt: Explicitly enable lane adapter hotplug
> events at startup
> 
> Hi Mario,
> 
> On Mon, Sep 26, 2022 at 09:33:50AM -0500, Mario Limonciello wrote:
> > Software that has run before the USB4 CM in Linux runs may have disabled
> > hotplug events for a given lane adapter.
> >
> > Other CMs such as that one distributed with Windows 11 will enable
> hotplug
> > events. Do the same thing in the Linux CM which fixes hotplug events on
> > "AMD Pink Sardine".
> >
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Mario Limonciello <mario.limonciello@....com>
> 
> Looks good to me now. Since we are pretty late in the rc and this is not
> trivial fix anymore, would it be OK for you if I apply this to my next
> branch with stable tag? Then it gets slightly more exposure before it
> ends up in any of the stable trees.

Yeah that's fine by me, thanks!