linux-kernel - [PING][PATCH v2 0/3] PCI: Always lift 2.5GT/s restriction in PCIe failed link retraining

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Message-ID: <alpine.DEB.2.21.2602041709010.12532@angie.orcam.me.uk>
Date: Wed, 4 Feb 2026 17:12:43 +0000 (GMT)
From: "Maciej W. Rozycki" <macro@...am.me.uk>
To: Bjorn Helgaas <bhelgaas@...gle.com>, 
    Matthew W Carlis <mattc@...estorage.com>, 
    ALOK TIWARI <alok.a.tiwari@...cle.com>
cc: ashishk@...estorage.com, msaggi@...estorage.com, sconnor@...estorage.com, 
    Lukas Wunner <lukas@...ner.de>, 
    Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
    Jiwei <jiwei.sun.bj@...com>, guojinhui.liam@...edance.com, 
    ahuang12@...ovo.com, sunjw10@...ovo.com, linux-pci@...r.kernel.org, 
    linux-kernel@...r.kernel.org
Subject: [PING][PATCH v2 0/3] PCI: Always lift 2.5GT/s restriction in PCIe
 failed link retraining

On Mon, 8 Dec 2025, Maciej W. Rozycki wrote:

>  I've figured out that backporting will be less intrusive if an update to 
> use `->supported_speeds' is posted as a separate follow-up change.  So it 
> is now 2/3 in this series, after 1/3 comprising the original patch, only 
> trivially updated.  Then 3/3 moves the maximum link speed determination 
> earlier on for an early exit in the PCIE_SPEED_2_5GT case; maybe unlikely, 
> but essentially free now, now that we retrieve the speed anyway, and makes 
> code a little simpler yet.

 Ping for: 
<https://lore.kernel.org/r/alpine.DEB.2.21.2512072345220.49654@angie.orcam.me.uk/>.  
Re-verified with 6.19.0-rc7.

  Maciej