linux-kernel - Re: [RESEND] Re: [PATCH] PCI/ASPM: Enable only L0s and L1 for devicetree platforms

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Message-ID: <20251023113043.2caffec9@bootlin.com>
Date: Thu, 23 Oct 2025 11:30:43 +0200
From: Herve Codina <herve.codina@...tlin.com>
To: FUKAUMI Naoki <naoki@...xa.com>
Cc: Bjorn Helgaas <helgaas@...nel.org>, Manivannan Sadhasivam
 <manivannan.sadhasivam@....qualcomm.com>, Christian Zigotzky
 <chzigotzky@...osoft.de>, linux-pci@...r.kernel.org,
 linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
 linux-rockchip@...ts.infradead.org
Subject: Re: [RESEND] Re: [PATCH] PCI/ASPM: Enable only L0s and L1 for
 devicetree platforms

Hi,

On Thu, 23 Oct 2025 14:01:59 +0900
FUKAUMI Naoki <naoki@...xa.com> wrote:

...

> 
> maybe https://lore.kernel.org/all/20251015101304.3ec03e6b@bootlin.com/
> (then +Cc: linux-arm-kernel@...ts.infradead.org?)
> 

For information, I tested the patch and I can confirm that my issue is
still there with the patch applied.

The only way to fix it seems to either fully disable ASPM or move to
performance ASPM policy.

Maybe my issue is simply a broken ASPM either on my host or my endpoint.

Best regards,
Hervé