linux-kernel - Re: rtsx_pci not restoring ASPM state after suspend/resume

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Message-ID: <11bdea17bed6fabed7a808111dc66083cb6933c4.camel@ettle.org.uk>
Date:   Sun, 02 Aug 2020 17:30:55 +0100
From:   James Ettle <james@...le.org.uk>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     吳昊澄 Ricky 
        <ricky_wu@...ltek.com>, Rui Feng <rui_feng@...lsil.com.cn>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Len Brown <lenb@...nel.org>,
        Puranjay Mohan <puranjay12@...il.com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jacopo De Simoi <wilderkde@...il.com>
Subject: Re: rtsx_pci not restoring ASPM state after suspend/resume

Hello,

On Tue, 2020-07-28 at 18:06 -0500, Bjorn Helgaas wrote:
> 
> I tried to deduce the problem from the code in aspm.c, but I didn't
> see the problem.  If you have the ability to build a kernel with a
> debug patch, can you boot with the patch below and collect the dmesg
> log?

I've built such a kernel and attached the dmesg output at

https://bugzilla.kernel.org/attachment.cgi?id=290713

For this, the machine was booted from off, no funny udev rules or sysfs
tinkering.

Thanks,
-James