linux-kernel - Re: [Patch] thunderbolt: Add quirk to reset downstream port

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Message-ID: <2023112111-shelf-deeply-6a03@gregkh>
Date:   Tue, 21 Nov 2023 19:04:58 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Sanath S <Sanath.S@....com>
Cc:     andreas.noever@...il.com, michael.jamet@...el.com,
        mika.westerberg@...ux.intel.com, YehezkelShB@...il.com,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mario Limonciello <mario.limonciello@....com>,
        stable@...r.kernel.org
Subject: Re: [Patch] thunderbolt: Add quirk to reset downstream port

On Tue, Nov 21, 2023 at 11:17:01PM +0530, Sanath S wrote:
> Boot firmware on AMD's Yellow Carp and Pink Sardine allocates
> very minimal buses for PCIe downstream ports. This results in
> failure to extend the daisy chain.
> 
> Add quirk to reset the downstream port to help reset the topology
> created by boot firmware.
> 
> Suggested-by: Mario Limonciello <mario.limonciello@....com>
> Signed-off-by: Sanath S <Sanath.S@....com>
> Cc: <stable@...r.kernel.org>

What commit id does this fix?

thanks,

greg k-h