linux-kernel - Re: [RFC PATCH 0/4] Quality Improvements for Rockchip-IP PCIe

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Message-ID: <2266650.atdPhlSkOF@phil>
Date: Mon, 09 Jun 2025 10:50:45 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: linux-rockchip@...ts.infradead.org,
 Geraldo Nascimento <geraldogabriel@...il.com>
Cc: Shawn Lin <shawn.lin@...k-chips.com>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kw@...ux.com>,
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
 Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
 linux-phy@...ts.infradead.org, linux-pci@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/4] Quality Improvements for Rockchip-IP PCIe

Hi Geraldo,

Am Samstag, 7. Juni 2025, 13:00:23 Mitteleuropäische Sommerzeit schrieb Geraldo Nascimento:
> During a 30-day debugging-run fighting quirky PCIe devices on RK3399
> some quality improvements began to take form and this is my attempt
> at upstreaming it. It will ensure maximum chance of retraining to Gen2
> 5.0GT/s, on all four lanes and plus if anybody is debugging the PHY
> they'll now get real values from TEST_I[3:0] for every TEST_ADDR[4:0]
> without risk of locking up kernel like with present broken async
> strobe TEST_WRITE.

could you check your settings for sending patches please?

The individual patches of this series did not get "in-reply-to" headers
that would point to this cover-letter. Instead each mail of this
series stands on its own, preventing mail clients from creating a
threaded display of the series.

git-send-email normally does create these needed headers on its own,
so could you check if you have some option enabled that prevents this?

Thanks a lot
Heiko


> 
> Geraldo Nascimento (4):
>   PCI: pcie-rockchip: add bits for Target Link Speed in LCS_2
>   PCI: rockchip-host: Set Target Link Speed before retraining
>   phy: rockchip-pcie: enable all four lanes
>   phy: rockchip-pcie: adjust read mask and write strobe disable
> 
>  drivers/pci/controller/pcie-rockchip-host.c |  4 ++++
>  drivers/pci/controller/pcie-rockchip.h      |  3 +++
>  drivers/phy/rockchip/phy-rockchip-pcie.c    | 16 +++++++++-------
>  3 files changed, 16 insertions(+), 7 deletions(-)
> 
>