[Bug 93590] pinctrl_cherryview module will freeze intel NUC5CPYH on boot most of the time

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93590

Jani Nikula <jani.nikula at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #1 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Jussi Alanärä from comment #0)
> If CONFIG_PINCTRL_CHERRYVIEW=m is enabled in config, intel NUC5CPYH (also
> NUC5PPYH tested, same thing) will freeze on boot 9 out of 10 times. Also,
> after succesful boot reboot will most likely fail, HDMI will turn of and
> hang there.

Can you reproduce the hang if you blacklist i915 (and ensure it is not probed
at boot), or add "nomodeset" module parameter?

Can you reproduce the hang if you blacklist pinctrl-cherryview (and ensure it
is not probed at boot)? If it doesn't hang, what if you modprobe it manually
after the boot?

Despite what you've been told at launchpad, this does not seem like a graphics
issue to me. The maintainers for the pinctrl driver are:

$ scripts/get_maintainer.pl -f drivers/pinctrl/intel/pinctrl-cherryview.c
Mika Westerberg <mika.westerberg at linux.intel.com> (maintainer:PIN CONTROLLER -
INTEL)
Heikki Krogerus <heikki.krogerus at linux.intel.com> (maintainer:PIN CONTROLLER -
INTEL)
Linus Walleij <linus.walleij at linaro.org> (maintainer:PIN CONTROL SUBSYSTEM)
linux-gpio at vger.kernel.org (open list:PIN CONTROL SUBSYSTEM)
linux-kernel at vger.kernel.org (open list)

Please mail them (with the lists in Cc:) and/or file a bug at
http://bugzilla.kernel.org.

I'll leave this open for a while still, but smells like RESOLVED NOTOURBUG.

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