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Mika Westerberg 418dfce4fa pinctrl: cherryview: Mask all interrupts on Intel_Strago based systems

commit d2b3c35359 upstream.

Guenter Roeck reported an interrupt storm on a prototype system which is
based on Cyan Chromebook. The root cause turned out to be a incorrectly
configured pin that triggers spurious interrupts. This will be fixed in
coreboot but currently we need to prevent the interrupt storm from
happening by masking all interrupts (but not GPEs) on those systems.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=197953
Fixes: bcb48cca23 ("pinctrl: cherryview: Do not mask all interrupts in probe")
Reported-and-tested-by: Guenter Roeck <linux@roeck-us.net>
Reported-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-12-29 17:42:59 +01:00

Kconfig

pinctrl: intel: Add Intel Merrifield pin controller support

2016-06-29 09:59:35 +02:00

Makefile

pinctrl: intel: Add Intel Merrifield pin controller support

2016-06-29 09:59:35 +02:00

pinctrl-baytrail.c

pinctrl: baytrail: Fix debugfs offset output

2017-11-15 15:53:13 +01:00

pinctrl-broxton.c

pinctrl: broxton: Use correct PADCFGLOCK offset