Re: Baytrail problems (was Re: Linux 3.13-rc8)
From: Rafael J. Wysocki
Date: Fri Jan 17 2014 - 08:24:42 EST
On Thursday, January 16, 2014 05:01:19 PM Rafael J. Wysocki wrote:
> On Thursday, January 16, 2014 10:29:45 AM Linus Walleij wrote:
> > On Thu, Jan 16, 2014 at 2:49 AM, Linus Torvalds
> > <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> > > Adding in the appropriate people...
> > >
> > > On Tue, Jan 14, 2014 at 7:01 PM, One Thousand Gnomes
> > > <gnomes@xxxxxxxxxxxxxxxxxxx> wrote:
> > >>
> > >> It seems to hate Baytrail/T
> > >>
> > >> My ASUS T100TA has gone from 3.11 'needs video=VGA-1:blah' to get the mode
> > >> right but otherwise running nicely and playing 3D games to 3.13-rc8
> > >>
> > >> - crashes and burns during boot if the Baytrail pinctrl driver is compiled
> > >> in
> > >
> > > Andy, Paul? The changes to the pinctrl driver since 3.11 look trivial,
> > > but I guess the GPIO and ACPI ID addition ends up also enabling all
> > > the old code that Alan probably never ran in 3.11 because the driver
> > > didn't trigger on his machine.
> > So that is commit f6308b36c411dc5
> > "ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs"?
> > This seems to have been selected for -stable as well so the
> > problem will be spreading as distros start pushing stable kernel
> > updates :-(
> > That came in through the ACPI tree, Rafael do you want to
> > revert it if there is no better quickfix?
> Yes, I'll push either a revert or a fix before the weekend.
OK, I haven't seen any fixes for this so far, so I'm queing up a revert of
commit f6308b36c411dc5 to be pushed later today.
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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