Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 059ff69b authored by Greg Rose's avatar Greg Rose Committed by Jeff Kirsher
Browse files

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: default avatarGreg Rose <gregory.v.rose@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent b33d3b73

drivers/net/ethernet/intel/i40e/i40e_main.c

+6 −1
Original line number Diff line number Diff line
@@ -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;

}



/**