linux-kernel - Re: [PATCH v9 0/1] Add quirks to proceed PME handshake in DWC PM

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Message-Id: <176898840193.11172.8990003270800077738.b4-ty@kernel.org>
Date: Wed, 21 Jan 2026 15:10:01 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@....qualcomm.com>
To: frank.li@....com, jingoohan1@...il.com, l.stach@...gutronix.de,
        lpieralisi@...nel.org, kwilczynski@...nel.org, robh@...nel.org,
        bhelgaas@...gle.com, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com,
        Richard Zhu <hongxing.zhu@....com>
Cc: linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        imx@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 0/1] Add quirks to proceed PME handshake in DWC PM


On Wed, 14 Jan 2026 16:32:59 +0800, Richard Zhu wrote:
> It's harmless to let dw_pcie_suspend_noirq() proceed suspend after the
> PME_Turn_Off is sent out, whatever the LTSSM state is in L2 or L3 after
> a recommended 10ms max wait refer to PCIe r6.0, sec 5.3.3.2.1 PME
> Synchronization.
> 
> The LTSSM states of i.MX6QP PCIe is inaccessible after the PME_Turn_Off
> is kicked off. To handle this case, don't poll L2 state and add one max
> 10ms delay if the skip_l23_wait flag is true in suspend.
> 
> [...]

Applied, thanks!

[1/1] PCI: dwc: Don't poll L2 if skip_l23_wait is true
      commit: 58a17b2647ba5aac47e3ffafd0a9b92bf4a9bcbe

Best regards,
-- 
Manivannan Sadhasivam <mani@...nel.org>