+#ifdef CONFIG_PM
+static int ath10k_suspend(struct ieee80211_hw *hw,
+ struct cfg80211_wowlan *wowlan)
+{
+ struct ath10k *ar = hw->priv;
+ int ret;
+
+ ar->is_target_paused = false;
+
+ ret = ath10k_wmi_pdev_suspend_target(ar);
+ if (ret) {
+ ath10k_warn("could not suspend target (%d)\n", ret);
+ return 1;
+ }
+
+ ret = wait_event_interruptible_timeout(ar->event_queue,
+ ar->is_target_paused == true,
+ 1 * HZ);
+ if (ret < 0) {
+ ath10k_warn("suspend interrupted (%d)\n", ret);
+ goto resume;
+ } else if (ret == 0) {
+ ath10k_warn("suspend timed out - target pause event never came\n");
+ goto resume;
+ }
+
+ ret = ath10k_hif_suspend(ar);
+ if (ret) {
+ ath10k_warn("could not suspend hif (%d)\n", ret);
+ goto resume;
+ }
+
+ return 0;
+resume:
+ ret = ath10k_wmi_pdev_resume_target(ar);
+ if (ret)
+ ath10k_warn("could not resume target (%d)\n", ret);
+ return 1;
+}
+
+static int ath10k_resume(struct ieee80211_hw *hw)
+{
+ struct ath10k *ar = hw->priv;
+ int ret;
+
+ ret = ath10k_hif_resume(ar);
+ if (ret) {
+ ath10k_warn("could not resume hif (%d)\n", ret);
+ return 1;
+ }
+
+ ret = ath10k_wmi_pdev_resume_target(ar);
+ if (ret) {
+ ath10k_warn("could not resume target (%d)\n", ret);
+ return 1;
+ }
+
+ return 0;
+}
+#endif
+
+static void ath10k_restart_complete(struct ieee80211_hw *hw)
+{
+ struct ath10k *ar = hw->priv;
+
+ mutex_lock(&ar->conf_mutex);
+
+ /* If device failed to restart it will be in a different state, e.g.
+ * ATH10K_STATE_WEDGED */
+ if (ar->state == ATH10K_STATE_RESTARTED) {
+ ath10k_info("device successfully recovered\n");
+ ar->state = ATH10K_STATE_ON;
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct ath10k *ar = hw->priv;
+ struct ieee80211_supported_band *sband;
+ struct survey_info *ar_survey = &ar->survey[idx];
+ int ret = 0;
+
+ mutex_lock(&ar->conf_mutex);
+
+ sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
+ if (sband && idx >= sband->n_channels) {
+ idx -= sband->n_channels;
+ sband = NULL;
+ }
+
+ if (!sband)
+ sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
+
+ if (!sband || idx >= sband->n_channels) {
+ ret = -ENOENT;
+ goto exit;
+ }
+
+ spin_lock_bh(&ar->data_lock);
+ memcpy(survey, ar_survey, sizeof(*survey));
+ spin_unlock_bh(&ar->data_lock);
+
+ survey->channel = &sband->channels[idx];
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+