From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Benjamin Berg <bberg@redhat.com>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 0/7] usb: typec: ucsi: Polling the alt modes and PDOs
Date: Tue, 8 Jun 2021 09:54:07 +0300 [thread overview]
Message-ID: <YL8UD+nlBSSQGIMO@kuha.fi.intel.com> (raw)
In-Reply-To: <YL8RPiVsEFOM9PBo@kuha.fi.intel.com>
On Tue, Jun 08, 2021 at 09:42:09AM +0300, Heikki Krogerus wrote:
> On Mon, Jun 07, 2021 at 10:09:58PM +0200, Benjamin Berg wrote:
> > Hi Heikki,
> >
> > On Mon, 2021-06-07 at 16:14 +0300, Heikki Krogerus wrote:
> > > This is the RFC series I promised [1].
> >
> > Cool.
> >
> > > I'm sorry it took this long to prepare these. I had to concentrate on
> > > other task for a while.
> > >
> > > Let me know if you still see any problems.
> >
> > Hmm, I am not sure this got better. I applied the patchset on top of of
> > the 5.12.9 Fedora 34 kernel. On the machine in question (X1 Carbon 8),
> > I see the online state getting stuck at 1 occasionally. This can happen
> > for example when quickly plugging and unplugging a USB-C charger.
>
> Please check does the partner device get removed. What do you have
> under /sys/class/typec after that happens?
Oh yes. Could you also share the trace output when that happens?
cd /sys/kernel/debug/tracing
echo 1 > events/ucsi/enable
# now reproduce the issue
cat trace > ucsi.trace
thanks,
--
heikki
next prev parent reply other threads:[~2021-06-08 6:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 13:14 [RFC PATCH 0/7] usb: typec: ucsi: Polling the alt modes and PDOs Heikki Krogerus
2021-06-07 13:14 ` [RFC PATCH 1/7] usb: typec: ucsi: Always cancel the command if PPM reports BUSY condition Heikki Krogerus
2021-06-07 13:14 ` [RFC PATCH 2/7] usb: typec: ucsi: Don't stop alt mode registration on busy condition Heikki Krogerus
2021-06-08 9:31 ` Sergei Shtylyov
2021-06-08 13:18 ` Heikki Krogerus
2021-06-07 13:14 ` [RFC PATCH 3/7] usb: typec: ucsi: Add poll worker for alternate modes Heikki Krogerus
2021-06-07 13:14 ` [RFC PATCH 4/7] usb: typec: ucsi: acpi: Reduce the command completion timeout Heikki Krogerus
2021-06-07 13:14 ` [RFC PATCH 5/7] usb: typec: ucsi: Process every connector change as unique connector state Heikki Krogerus
2021-06-07 13:14 ` [RFC PATCH 6/7] usb: typec: ucsi: Filter out spurious events Heikki Krogerus
2021-06-07 13:14 ` [RFC PATCH 7/7] usb: typec: ucsi: Read the PDOs in separate work Heikki Krogerus
2021-06-07 20:09 ` [RFC PATCH 0/7] usb: typec: ucsi: Polling the alt modes and PDOs Benjamin Berg
2021-06-08 6:42 ` Heikki Krogerus
2021-06-08 6:54 ` Heikki Krogerus [this message]
2021-06-08 19:32 ` Benjamin Berg
2021-06-09 11:25 ` Heikki Krogerus
2021-06-09 12:18 ` Heikki Krogerus
2021-06-09 12:56 ` Heikki Krogerus
2021-06-09 17:39 ` Benjamin Berg
2021-06-10 12:07 ` Heikki Krogerus
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