*** This bug is a duplicate of bug 1951861 ***
https://bugs.launchpad.net/bugs/1951861
https://lists.ubuntu.com/archives/kernel-team/2021-November/125883.html
BugLink: https://bugs.launchpad.net/bugs/1951861
[Impact]
e1000e devices stop working after s2idle resume.
[Fix]
Revert the offending patch series, which is to bring some minor power
saving.
[Test]
Vendor did extensive tests and didn't find any regression, and the power
consumption remains the same.
[Where problems could occur]
Maybe on some system the series can save some energy, so reverting will
cause some power consumption increase.
Kai-Heng Feng (3):
Revert "e1000e: Additional PHY power saving in S0ix"
Revert "e1000e: Add polling mechanism to indicate CSME DPG exit"
Revert "e1000e: Add handshake with the CSME to support S0ix"
drivers/net/ethernet/intel/e1000e/ich8lan.h | 3 -
drivers/net/ethernet/intel/e1000e/netdev.c | 358 +++++++++-----------
drivers/net/ethernet/intel/e1000e/regs.h | 1 -
3 files changed, 154 insertions(+), 208 deletions(-)
** This bug has been marked a duplicate of bug 1951861
Fix non-working e1000e device after resume
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https://bugs.launchpad.net/bugs/1949353
Title:
[SRU] Revert 'e1000e: add handshake with the Intel CSME to support
S0ix'
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