[SRU] [F/G/Unstable/OEM-5.6] [PATCH 0/1] Fix non-working NVMe after S3
Kai-Heng Feng
kai.heng.feng at canonical.com
Tue Sep 15 17:36:54 UTC 2020
BugLink: https://bugs.launchpad.net/bugs/1895718
[Impact]
KIOXIA NVMe has a 10% chance to stop working after S3.
[Fix]
Enable ACS quirk on Intel CML root port.
[Test]
With the patch applied, KIOXIA NVMe always works after S3.
[Regression Potential]
ACS works at hardware level, so I can't really assess the risk of
regression. Since Intel confirmed CML also needs ACS quirk, we can only
trust them.
Kai-Heng Feng (1):
UBUNTU: SAUCE: PCI: Enable ACS quirk on CML root port
drivers/pci/quirks.c | 1 +
1 file changed, 1 insertion(+)
--
2.17.1
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