qcacld-3.0: Remove duplicate PNO scan update logic from legacy HDD

PNO is moved to scan component and logic to update PNO scan result
has also moved to SCM hence remove the duplciate logic from HDD.

Change-Id: I85c601fef72021a053e1d73cc3a295cffb010fbe
CRs-Fixed: 2138067

core/hdd/inc/wlan_hdd_main.h

@@ -1513,17 +1513,9 @@ struct hdd_context {
 
 	void *hdd_ipa;
 
-	/* Use below lock to protect access to isSchedScanUpdatePending
-	 * since it will be accessed in two different contexts.
-	 */
-	qdf_spinlock_t sched_scan_lock;
-
 	/* Flag keeps track of wiphy suspend/resume */
 	bool is_wiphy_suspended;
 
-	/* Indicates about pending sched_scan results */
-	bool isSchedScanUpdatePending;
-
 #ifdef MSM_PLATFORM
 	/* DDR bus bandwidth compute timer
 	 */

core/hdd/src/wlan_hdd_power.c

@@ -1599,8 +1599,6 @@ hdd_sched_scan_results(struct wiphy *wiphy, uint64_t reqid)
 static int __wlan_hdd_cfg80211_resume_wlan(struct wiphy *wiphy)
 {
 	struct hdd_context *hdd_ctx = wiphy_priv(wiphy);
-	struct hdd_adapter *adapter;
-	hdd_adapter_list_node_t *pAdapterNode, *pNext;
 	QDF_STATUS status = QDF_STATUS_SUCCESS;
 	int exit_code;
 	p_cds_sched_context cds_sched_context = get_cds_sched_ctxt();
@@ -1657,47 +1655,8 @@ static int __wlan_hdd_cfg80211_resume_wlan(struct wiphy *wiphy)
 	MTRACE(qdf_trace(QDF_MODULE_ID_HDD,
 			 TRACE_CODE_HDD_CFG80211_RESUME_WLAN,
 			 NO_SESSION, hdd_ctx->is_wiphy_suspended));
-	qdf_spin_lock(&hdd_ctx->sched_scan_lock);
 	hdd_ctx->is_wiphy_suspended = false;
-	if (true != hdd_ctx->isSchedScanUpdatePending) {
-		qdf_spin_unlock(&hdd_ctx->sched_scan_lock);
-		hdd_debug("Return resume is not due to PNO indication");
-		goto exit_with_success;
-	}
-	/* Reset flag to avoid updatating cfg80211 data old results again */
-	hdd_ctx->isSchedScanUpdatePending = false;
-	qdf_spin_unlock(&hdd_ctx->sched_scan_lock);
-
-	status = hdd_get_front_adapter(hdd_ctx, &pAdapterNode);
-	while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) {
-		adapter = pAdapterNode->adapter;
-		if ((NULL != adapter) &&
-		    (QDF_STA_MODE == adapter->device_mode)) {
-			if (0 !=
-			    wlan_hdd_cfg80211_update_bss(hdd_ctx->wiphy,
-							 adapter, 0)) {
-				hdd_warn("NO SCAN result");
-			} else {
-				/* Acquire wakelock to handle the case where
-				 * APP's tries to suspend immediately after
-				 * updating the scan results. Whis results in
-				 * app's is in suspended state and not able to
-				 * process the connect request to AP
-				 */
-				hdd_prevent_suspend_timeout(
-					HDD_WAKELOCK_TIMEOUT_RESUME,
-					WIFI_POWER_EVENT_WAKELOCK_RESUME_WLAN);
-				hdd_sched_scan_results(hdd_ctx->wiphy, 0);
-			}
-
-			hdd_debug("cfg80211 scan result database updated");
-			goto exit_with_success;
-		}
-		status = hdd_get_next_adapter(hdd_ctx, pAdapterNode, &pNext);
-		pAdapterNode = pNext;
-	}
 
-exit_with_success:
 	hdd_ctx->suspend_resume_stats.resumes++;
 	exit_code = 0;
 

core/hdd/src/wlan_hdd_scan.c

@@ -1706,7 +1706,6 @@ void wlan_hdd_cfg80211_abort_scan(struct wiphy *wiphy,
  */
 void hdd_scan_context_destroy(struct hdd_context *hdd_ctx)
 {
-	qdf_spinlock_destroy(&hdd_ctx->sched_scan_lock);
 }
 
 /**
@@ -1719,6 +1718,5 @@ void hdd_scan_context_destroy(struct hdd_context *hdd_ctx)
  */
 int hdd_scan_context_init(struct hdd_context *hdd_ctx)
 {
-	qdf_spinlock_create(&hdd_ctx->sched_scan_lock);
 	return 0;
 }