> From: Intel-wired-lan [mailto:[email protected]] On > Behalf Of Kai-Heng Feng > Sent: Sunday, December 2, 2018 9:55 PM > To: Kirsher, Jeffrey T <[email protected]> > Cc: [email protected]; Kai-Heng Feng > <[email protected]>; [email protected]; > [email protected]; [email protected] > Subject: [Intel-wired-lan] [PATCH] igb: Fix an issue that PME is not enabled > during runtime suspend > > I210 ethernet card doesn't wakeup when a cable gets plugged. It's > because its PME is not set. > > Since commit 42eca2302146 ("PCI: Don't touch card regs after runtime > suspend D3"), if the PCI state is saved, pci_pm_runtime_suspend() stops > calling pci_finish_runtime_suspend(), which enables the PCI PME. > > To fix the issue, let's not to save PCI states when it's runtime > suspend, to let the PCI subsytem enables PME. > > Fixes: 42eca2302146 ("PCI: Don't touch card regs after runtime suspend D3") > Signed-off-by: Kai-Heng Feng <[email protected]> > --- > drivers/net/ethernet/intel/igb/igb_main.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-)
Tested-by: Aaron Brown <[email protected]>
