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path: root/drivers/net/wireless/iwlwifi/mvm/d3.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/d3.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/d3.c74
1 files changed, 56 insertions, 18 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c
index 4165d104e4c3..04264e417c1c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/iwlwifi/mvm/d3.c
@@ -1145,7 +1145,7 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
static int iwl_mvm_enter_d0i3_sync(struct iwl_mvm *mvm)
{
struct iwl_notification_wait wait_d3;
- static const u8 d3_notif[] = { D3_CONFIG_CMD };
+ static const u16 d3_notif[] = { D3_CONFIG_CMD };
int ret;
iwl_init_notification_wait(&mvm->notif_wait, &wait_d3,
@@ -1168,13 +1168,17 @@ remove_notif:
int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ int ret;
+
+ ret = iwl_trans_suspend(mvm->trans);
+ if (ret)
+ return ret;
- iwl_trans_suspend(mvm->trans);
mvm->trans->wowlan_d0i3 = wowlan->any;
if (mvm->trans->wowlan_d0i3) {
/* 'any' trigger means d0i3 usage */
if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) {
- int ret = iwl_mvm_enter_d0i3_sync(mvm);
+ ret = iwl_mvm_enter_d0i3_sync(mvm);
if (ret)
return ret;
@@ -1183,6 +1187,9 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
mutex_lock(&mvm->d0i3_suspend_mutex);
__set_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags);
mutex_unlock(&mvm->d0i3_suspend_mutex);
+
+ iwl_trans_d3_suspend(mvm->trans, false);
+
return 0;
}
@@ -1935,28 +1942,59 @@ out:
return 1;
}
-int iwl_mvm_resume(struct ieee80211_hw *hw)
+static int iwl_mvm_resume_d3(struct iwl_mvm *mvm)
{
- struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ iwl_trans_resume(mvm->trans);
+
+ return __iwl_mvm_resume(mvm, false);
+}
+
+static int iwl_mvm_resume_d0i3(struct iwl_mvm *mvm)
+{
+ bool exit_now;
+ enum iwl_d3_status d3_status;
+
+ iwl_trans_d3_resume(mvm->trans, &d3_status, false);
+
+ /*
+ * make sure to clear D0I3_DEFER_WAKEUP before
+ * calling iwl_trans_resume(), which might wait
+ * for d0i3 exit completion.
+ */
+ mutex_lock(&mvm->d0i3_suspend_mutex);
+ __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags);
+ exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP,
+ &mvm->d0i3_suspend_flags);
+ mutex_unlock(&mvm->d0i3_suspend_mutex);
+ if (exit_now) {
+ IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n");
+ _iwl_mvm_exit_d0i3(mvm);
+ }
iwl_trans_resume(mvm->trans);
- if (mvm->hw->wiphy->wowlan_config->any) {
- /* 'any' trigger means d0i3 usage */
- if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) {
- int ret = iwl_mvm_exit_d0i3(hw->priv);
+ if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) {
+ int ret = iwl_mvm_exit_d0i3(mvm->hw->priv);
- if (ret)
- return ret;
- /*
- * d0i3 exit will be deferred until reconfig_complete.
- * make sure there we are out of d0i3.
- */
- }
- return 0;
+ if (ret)
+ return ret;
+ /*
+ * d0i3 exit will be deferred until reconfig_complete.
+ * make sure there we are out of d0i3.
+ */
}
+ return 0;
+}
- return __iwl_mvm_resume(mvm, false);
+int iwl_mvm_resume(struct ieee80211_hw *hw)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+
+ /* 'any' trigger means d0i3 was used */
+ if (hw->wiphy->wowlan_config->any)
+ return iwl_mvm_resume_d0i3(mvm);
+ else
+ return iwl_mvm_resume_d3(mvm);
}
void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled)