diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index c01ea48da5f..36bafeb353c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -4042,7 +4042,19 @@ static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) priv->is_open = 1; } - pci_save_state(pdev); + /* pci driver assumes state will be saved in this function. + * pci state is saved and device disabled when interface is + * stopped, so at this time pci device will always be disabled - + * whether interface was started or not. saving pci state now will + * cause saved state be that of a disabled device, which will cause + * problems during resume in that we will end up with a disabled device. + * + * indicate that the current saved state (from when interface was + * stopped) is valid. if interface was never up at time of suspend + * then the saved state will still be valid as it was saved during + * .probe. */ + pdev->state_saved = true; + pci_set_power_state(pdev, PCI_D3hot); return 0; @@ -4053,7 +4065,6 @@ static int iwl_pci_resume(struct pci_dev *pdev) struct iwl_priv *priv = pci_get_drvdata(pdev); pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); if (priv->is_open) iwl_mac_start(priv->hw); |