diff options
| author | Greg Rose <gregory.v.rose@intel.com> | 2016-05-16 10:26:38 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2016-06-27 15:43:39 -0700 |
| commit | 059ff69b5fa136a23a2d71df6d9814e86485e8b9 (patch) | |
| tree | 1427a82f44f6f77616e09b262e7a3d4a369386cd /drivers/net/ethernet/intel/i40e/i40e_main.c | |
| parent | b33d3b7321bb5ae291851fce31688d2d3c432e6b (diff) | |
i40e: Save PCI state before suspend
The i40e_suspend() function was failing to save PCI state
and this would result in a kernel stack trace from a WARN_ONCE in the
pci_legacy_suspend() function.
Add a call to pci_save_state() to fix that problem.
Change-ID: I4736e62bb660966bd208cc8af617a14cb07fc4bd
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index e071c227c684..52d9d28d677d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11441,6 +11441,7 @@ static int i40e_suspend(struct pci_dev *pdev, pm_message_t state) { struct i40e_pf *pf = pci_get_drvdata(pdev); struct i40e_hw *hw = &pf->hw; + int retval = 0; set_bit(__I40E_SUSPENDED, &pf->state); set_bit(__I40E_DOWN, &pf->state); @@ -11454,10 +11455,14 @@ static int i40e_suspend(struct pci_dev *pdev, pm_message_t state) i40e_stop_misc_vector(pf); + retval = pci_save_state(pdev); + if (retval) + return retval; + pci_wake_from_d3(pdev, pf->wol_en); pci_set_power_state(pdev, PCI_D3hot); - return 0; + return retval; } /** |