| Message ID | 20201214192935.895174-2-mario.limonciello@dell.com |
|---|---|
| State | New |
| Headers | show |
| Series | Improve s0ix flows for systems i219LM | expand |
> -----Original Message----- > From: Limonciello, Mario <Mario_Limonciello@Dell.com> > Sent: Tuesday, December 15, 2020 3:30 AM > To: Jeff Kirsher; Tony Nguyen; intel-wired-lan@lists.osuosl.org > Cc: linux-kernel@vger.kernel.org; Netdev; Alexander Duyck; Jakub Kicinski; > Sasha Netfin; Aaron Brown; Stefan Assmann; David Miller; > darcari@redhat.com; Shen, Yijun; Yuan, Perry; > anthony.wong@canonical.com; Hans de Goede; Limonciello, Mario > Subject: [PATCH v5 1/4] e1000e: Only run S0ix flows if shutdown succeeded > > If the shutdown failed, the part will be thawed and running S0ix flows will > put it into an undefined state. > > Reported-by: Alexander Duyck <alexander.duyck@gmail.com> > Reviewed-by: Alexander Duyck <alexander.duyck@gmail.com> > Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Verified this series patch on Dell Systems. Tested-By: Yijun Shen <Yijun.shen@dell.com> > --- > drivers/net/ethernet/intel/e1000e/netdev.c | 13 +++++++------ > 1 file changed, 7 insertions(+), 6 deletions(-) > > diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c > b/drivers/net/ethernet/intel/e1000e/netdev.c > index 128ab6898070..6588f5d4a2be 100644 > --- a/drivers/net/ethernet/intel/e1000e/netdev.c > +++ b/drivers/net/ethernet/intel/e1000e/netdev.c > @@ -6970,13 +6970,14 @@ static __maybe_unused int > e1000e_pm_suspend(struct device *dev) > e1000e_pm_freeze(dev); > > rc = __e1000_shutdown(pdev, false); > - if (rc) > + if (rc) { > e1000e_pm_thaw(dev); > - > - /* Introduce S0ix implementation */ > - if (hw->mac.type >= e1000_pch_cnp && > - !e1000e_check_me(hw->adapter->pdev->device)) > - e1000e_s0ix_entry_flow(adapter); > + } else { > + /* Introduce S0ix implementation */ > + if (hw->mac.type >= e1000_pch_cnp && > + !e1000e_check_me(hw->adapter->pdev->device)) > + e1000e_s0ix_entry_flow(adapter); > + } > > return rc; > } > -- > 2.25.1
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 128ab6898070..6588f5d4a2be 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -6970,13 +6970,14 @@ static __maybe_unused int e1000e_pm_suspend(struct device *dev) e1000e_pm_freeze(dev); rc = __e1000_shutdown(pdev, false); - if (rc) + if (rc) { e1000e_pm_thaw(dev); - - /* Introduce S0ix implementation */ - if (hw->mac.type >= e1000_pch_cnp && - !e1000e_check_me(hw->adapter->pdev->device)) - e1000e_s0ix_entry_flow(adapter); + } else { + /* Introduce S0ix implementation */ + if (hw->mac.type >= e1000_pch_cnp && + !e1000e_check_me(hw->adapter->pdev->device)) + e1000e_s0ix_entry_flow(adapter); + } return rc; }