summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/drv.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/drv.c79
1 files changed, 74 insertions, 5 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index 753ec6785912..41c6dd5b9ccc 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -483,17 +483,19 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
{IWL_PCI_DEVICE(0x24FD, 0x0810, iwl8265_2ac_cfg)},
/* 9000 Series */
+ {IWL_PCI_DEVICE(0x9DF0, 0x0A10, iwl9560_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x0010, iwl9560_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl5165_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x2010, iwl5165_2ac_cfg)},
- {IWL_PCI_DEVICE(0x9DF0, 0x0A10, iwl9260_2ac_cfg)},
- {IWL_PCI_DEVICE(0x9DF0, 0x0010, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x1420, iwl5165_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0010, iwl5165_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x0000, iwl5165_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x0310, iwl5165_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x0510, iwl5165_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x0710, iwl5165_2ac_cfg)},
- {IWL_PCI_DEVICE(0x9DF0, 0x0210, iwl9260_2ac_cfg)},
- {IWL_PCI_DEVICE(0x9DF0, 0x0410, iwl9260_2ac_cfg)},
- {IWL_PCI_DEVICE(0x9DF0, 0x0610, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x0210, iwl9560_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x0410, iwl9560_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x0610, iwl9560_2ac_cfg)},
#endif /* CONFIG_IWLMVM */
{0}
@@ -631,13 +633,29 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* if RTPM is in use, enable it in our device */
if (iwl_trans->runtime_pm_mode != IWL_PLAT_PM_MODE_DISABLED) {
+ /* We explicitly set the device to active here to
+ * clear contingent errors.
+ */
pm_runtime_set_active(&pdev->dev);
+
pm_runtime_set_autosuspend_delay(&pdev->dev,
iwlwifi_mod_params.d0i3_entry_delay);
pm_runtime_use_autosuspend(&pdev->dev);
+
+ /* We are not supposed to call pm_runtime_allow() by
+ * ourselves, but let userspace enable runtime PM via
+ * sysfs. However, since we don't enable this from
+ * userspace yet, we need to allow/forbid() ourselves.
+ */
pm_runtime_allow(&pdev->dev);
}
+ /* The PCI device starts with a reference taken and we are
+ * supposed to release it here. But to simplify the
+ * interaction with the opmode, we don't do it now, but let
+ * the opmode release it when it's ready.
+ */
+
return 0;
out_free_drv:
@@ -652,7 +670,17 @@ static void iwl_pci_remove(struct pci_dev *pdev)
struct iwl_trans *trans = pci_get_drvdata(pdev);
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ /* if RTPM was in use, restore it to the state before probe */
+ if (trans->runtime_pm_mode != IWL_PLAT_PM_MODE_DISABLED) {
+ /* We should not call forbid here, but we do for now.
+ * Check the comment to pm_runtime_allow() in
+ * iwl_pci_probe().
+ */
+ pm_runtime_forbid(trans->dev);
+ }
+
iwl_drv_stop(trans_pcie->drv);
+
iwl_trans_pcie_free(trans);
}
@@ -811,6 +839,45 @@ static int iwl_pci_runtime_resume(struct device *device)
return 0;
}
+
+static int iwl_pci_system_prepare(struct device *device)
+{
+ struct pci_dev *pdev = to_pci_dev(device);
+ struct iwl_trans *trans = pci_get_drvdata(pdev);
+
+ IWL_DEBUG_RPM(trans, "preparing for system suspend\n");
+
+ /* This is called before entering system suspend and before
+ * the runtime resume is called. Set the suspending flag to
+ * prevent the wakelock from being taken.
+ */
+ trans->suspending = true;
+
+ /* Wake the device up from runtime suspend before going to
+ * platform suspend. This is needed because we don't know
+ * whether wowlan any is set and, if it's not, mac80211 will
+ * disconnect (in which case, we can't be in D0i3).
+ */
+ pm_runtime_resume(device);
+
+ return 0;
+}
+
+static void iwl_pci_system_complete(struct device *device)
+{
+ struct pci_dev *pdev = to_pci_dev(device);
+ struct iwl_trans *trans = pci_get_drvdata(pdev);
+
+ IWL_DEBUG_RPM(trans, "completing system suspend\n");
+
+ /* This is called as a counterpart to the prepare op. It is
+ * called either when suspending fails or when suspend
+ * completed successfully. Now there's no risk of grabbing
+ * the wakelock anymore, so we can release the suspending
+ * flag.
+ */
+ trans->suspending = false;
+}
#endif /* CONFIG_IWLWIFI_PCIE_RTPM */
static const struct dev_pm_ops iwl_dev_pm_ops = {
@@ -820,6 +887,8 @@ static const struct dev_pm_ops iwl_dev_pm_ops = {
SET_RUNTIME_PM_OPS(iwl_pci_runtime_suspend,
iwl_pci_runtime_resume,
NULL)
+ .prepare = iwl_pci_system_prepare,
+ .complete = iwl_pci_system_complete,
#endif /* CONFIG_IWLWIFI_PCIE_RTPM */
};