[SRU] [OEM-OSP1-B] [PATCH 0/1] Fix resume freeze on S2I

Kai-Heng Feng kai.heng.feng at canonical.com
Tue Dec 3 16:54:25 UTC 2019

BugLink: https://bugs.launchpad.net/bugs/1854971

Some Laptops use suspend-to-idle freeze at resume.

Delay after PCI power transition completion on suspend-to-idle, just
like runtime resume.

With the patch applied, the system can pass suspend stress test.

[Regression Potential]
Low. It's a stable patch that's already in Eoan/Focal kernel.

Rafael J. Wysocki (1):
  PCI: PM: Fix pci_power_up()

 drivers/pci/pci.c | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)


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