linux-kernel - Re: [BUG] cros_ec_debugfs causes a WARNING trace during suspend on ASUS C201

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Date:   Tue, 19 Mar 2019 12:26:30 -0700
From:   Benson Leung <bleung@...gle.com>
To:     Guenter Roeck <groeck@...gle.com>,
        Urja Rannikko <urjaman@...il.com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>, bleung@...gle.com
Subject: Re: [BUG] cros_ec_debugfs causes a WARNING trace during suspend on
 ASUS C201

Hi Guenter, Urja,

On Tue, Mar 19, 2019 at 06:37:08AM -0700, Guenter Roeck wrote:
> Hi,
> 
> On Tue, Mar 19, 2019 at 3:37 AM Urja Rannikko <urjaman@...il.com> wrote:
> >
> > Hi,
> >
> > I was testing 5.1-rc1 on my C201 when i found this, dmesg of a
> > suspend/resume attached.
> >
> > Based on a quick look at the code it looks like the reason is that the
> > suspend and resume calls try to cancel/schedule log_poll_work
> > unconditionally but this device doesnt support reading the console log
> > so the delayed work struct was never initialized.
> >
> 
> Thanks a lot for the note. I'll send a fix later today.
> 
> Guenter
> 

Thanks for the report and quick fix. Guenter's fix has been merged and should
be in 5.1-rc2 when Linus cuts it.

Thanks,
Benson

-- 
Benson Leung
Staff Software Engineer
Chrome OS Kernel
Google Inc.
bleung@...gle.com
Chromium OS Project
bleung@...omium.org

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