Re: Cherryview wake up events

From	Andy Shevchenko <andy.shevchenko@gmail.com>
Newsgroups	linux.kernel
Subject	Re: Cherryview wake up events
Date	2017-01-27 14:30 +0100
Message-ID	<t4eLf-4FD-9@gated-at.bofh.it> (permalink)
References	(6 earlier) <t39NE-4ZI-33@gated-at.bofh.it> <t3agF-5pf-3@gated-at.bofh.it> <t3eWZ-8j5-5@gated-at.bofh.it> <t41bj-4KV-5@gated-at.bofh.it> <t4d2N-3w5-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Fri, Jan 27, 2017 at 1:38 PM, Johannes Stezenbach <js@sig21.net> wrote:
> On Fri, Jan 27, 2017 at 12:56:53AM +0200, Andy Shevchenko wrote:

> And the same info is also in sysfs:
>
> # cat /sys/devices/LNXSYSTM\:00/LNXSYBUS\:00/PNP0A08\:00/808622C1\:06/INT33F4\:00/status
> 0
> # cat /sys/devices/LNXSYSTM\:00/LNXSYBUS\:00/PNP0A08\:00/808622C1\:06/INT33F5\:00/status
> 15
>
> The DSDT is still at https://linuxtv.org/~js/e200ha/
>
>> Had you tried to add ID to axp20x-i2c.c ?
>
> Nope, since I have no idea if the axp and TI hardware is similar.

I think you would give a try.

> There might be more issues, currently the machine hangs often
> during bootup at random points.  I built i915 as a module and
> blacklisted it for autoloading so I can read the last message
> on the console.  All I can say is that it is more likely to
> hang when the loglevel is high, i.e. it almost never succeeds
> with "debug" on kernel command line.  Sometimes there are
> timeout errors from I2C:
> [    4.307189] i2c_designware 808622C1:06: controller timed out
> [    5.331709] i2c_designware 808622C1:06: controller timed out
>
> Once it has booted it is running stable.

This is known: http://www.spinics.net/lists/intel-gfx/msg117738.html

-- 
With Best Regards,
Andy Shevchenko

Thread

Re: Cherryview wake up events Johannes Stezenbach <js@sig21.net> - 2017-01-24 11:30 +0100
  Re: Cherryview wake up events Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-01-24 12:20 +0100
    Re: Cherryview wake up events Johannes Stezenbach <js@sig21.net> - 2017-01-24 15:00 +0100
      Re: Cherryview wake up events Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-01-24 15:30 +0100
        Re: Cherryview wake up events Johannes Stezenbach <js@sig21.net> - 2017-01-24 20:30 +0100
          Re: Cherryview wake up events Mika Westerberg <mika.westerberg@linux.intel.com> - 2017-01-25 10:40 +0100
          Re: Cherryview wake up events Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-01-27 00:00 +0100
            Re: Cherryview wake up events Johannes Stezenbach <js@sig21.net> - 2017-01-27 12:40 +0100
              Re: Cherryview wake up events Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-01-27 14:30 +0100
                Re: Cherryview wake up events Johannes Stezenbach <js@sig21.net> - 2017-01-27 14:40 +0100

csiph-web