linux-kernel - Re: [v4] PCI: dwc: Add the debugfs property to provide the LTSSM status of the PCIe link

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Message-ID: <20250222164046.b7itpksdlmchrnby@thinkpad>
Date: Sat, 22 Feb 2025 22:10:46 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Krzysztof Wilczyński <kw@...ux.com>
Cc: Hans Zhang <18255117159@....com>, jingoohan1@...il.com,
	shradha.t@...sung.com, lpieralisi@...nel.org, robh@...nel.org,
	bhelgaas@...gle.com, Frank.Li@....com, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, rockswang7@...il.com,
	Niklas Cassel <cassel@...nel.org>
Subject: Re: [v4] PCI: dwc: Add the debugfs property to provide the LTSSM
 status of the PCIe link

On Sat, Feb 22, 2025 at 11:54:32PM +0900, Krzysztof Wilczyński wrote:
> Hello,
> 
> [...]
> > +What:		/sys/kernel/debug/dwc_pcie_<dev>/ltssm_status
> > +Date:		February 2025
> > +Contact:	Hans Zhang <18255117159@....com>
> > +Description:	(RO) Read will return the current value of the PCIe link status raw value and
> > +		string status.
> 
> The description could be refined a bit to make it easier to read.  But this
> is not a blocked and the changes otherwise look good.
> 
> Thank you Niklas for testing!
> 
> I will pick this up if there are no objections.
> 

Not yet. This patch has the dependency with Shradha's debugfs series:
https://lore.kernel.org/linux-pci/20250221131548.59616-1-shradha.t@samsung.com/

- Mani

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