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path: root/drivers/net/wireless/iwlwifi/iwl-agn.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c15
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);