Re: Cherryview wake up events
From: Johannes Stezenbach
Date: Fri Jan 27 2017 - 08:33:32 EST
On Fri, Jan 27, 2017 at 03:21:22PM +0200, Andy Shevchenko wrote:
> On Fri, Jan 27, 2017 at 1:38 PM, Johannes Stezenbach <js@xxxxxxxxx> 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.
I'll check it.
> > 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
Not sure because it happens with i915 module not loaded
(currently I load it manually after boot completed).
But thanks for the link.