[SRU Z/A] [PATCH 0/2] Fix interrupt storm caused by pinctrl-amd on Gigabyte boards

Kai-Heng Feng kai.heng.feng at canonical.com
Thu Jun 1 05:12:15 UTC 2017

BugLink: https://bugs.launchpad.net/bugs/1671360

pinctrl-amd on Gigabyte AM4 boards generate interrupt storms, makes the system
unable to boot.

Commit "pinctrl: amd: make use of raw_spinlock variants" is to make another
commit a clean cherrypick.
Commit "pinctrl/amd: Use regular interrupt instead of chained" from
linux-gpio/fixes can fix the issue. It changes the chained interrupt to regular

[Test Case]
User reported it does fix the issue in comment #170.

Julia Cartwright (1):
  pinctrl: amd: make use of raw_spinlock variants

Thomas Gleixner (1):
  pinctrl/amd: Use regular interrupt instead of chained

 drivers/pinctrl/pinctrl-amd.c | 160 ++++++++++++++++++++----------------------
 drivers/pinctrl/pinctrl-amd.h |   2 +-
 2 files changed, 76 insertions(+), 86 deletions(-)


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