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authorJohn W. Linville <linville@tuxdriver.com>2010-10-25 16:12:37 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-11-15 13:24:40 -0500
commitf60dc0138aa19769bf8bab9f93b043235428b66f (patch)
tree91e71125d93ddb22a2f7241c27b74de1460303ee /drivers/net/wireless/iwlwifi/iwl-core.c
parentb9237578f8d685bb86901ba9ff0d379218e5a3c5 (diff)
iwlwifi: Convert to new PCI PM framework
Use the new PCI PM and let the PCI core code handle the PCI-specific details of power transitions. Based on similarly titled ath9k patch posted by Rafael J. Wysocki. Signed-off-by: John W. Linville <linville@tuxdriver.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-core.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 87c18001d2c0..2a4d40e5b9f4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2592,8 +2592,9 @@ EXPORT_SYMBOL(iwl_add_beacon_time);
#ifdef CONFIG_PM
-int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+int iwl_pci_suspend(struct device *device)
{
+ struct pci_dev *pdev = to_pci_dev(device);
struct iwl_priv *priv = pci_get_drvdata(pdev);
/*
@@ -2605,18 +2606,14 @@ int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state)
*/
iwl_apm_stop(priv);
- pci_save_state(pdev);
- pci_disable_device(pdev);
- pci_set_power_state(pdev, PCI_D3hot);
-
return 0;
}
EXPORT_SYMBOL(iwl_pci_suspend);
-int iwl_pci_resume(struct pci_dev *pdev)
+int iwl_pci_resume(struct device *device)
{
+ struct pci_dev *pdev = to_pci_dev(device);
struct iwl_priv *priv = pci_get_drvdata(pdev);
- int ret;
bool hw_rfkill = false;
/*
@@ -2625,11 +2622,6 @@ int iwl_pci_resume(struct pci_dev *pdev)
*/
pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
- pci_set_power_state(pdev, PCI_D0);
- ret = pci_enable_device(pdev);
- if (ret)
- return ret;
- pci_restore_state(pdev);
iwl_enable_interrupts(priv);
if (!(iwl_read32(priv, CSR_GP_CNTRL) &
@@ -2647,4 +2639,14 @@ int iwl_pci_resume(struct pci_dev *pdev)
}
EXPORT_SYMBOL(iwl_pci_resume);
+const struct dev_pm_ops iwl_pm_ops = {
+ .suspend = iwl_pci_suspend,
+ .resume = iwl_pci_resume,
+ .freeze = iwl_pci_suspend,
+ .thaw = iwl_pci_resume,
+ .poweroff = iwl_pci_suspend,
+ .restore = iwl_pci_resume,
+};
+EXPORT_SYMBOL(iwl_pm_ops);
+
#endif /* CONFIG_PM */