qcacld-3.0: Reschedule TWT work

TWT work handler is used to send TWT enable/disable commands
to firmware, it does not try to reschedule if it fails to
start psoc sync operation because of which host and FW
may not be in sync.

To address this issue, reschedule TWT work if psoc sync
operation start returns -EAGAIN.

Change-Id: Ib4bbc0fe668ce086ac6997e31eb00a21ebf0d2a0
CRs-Fixed: 3094810

core/hdd/src/wlan_hdd_twt.c

@@ -43,6 +43,7 @@
 #define TWT_DISABLE_COMPLETE_TIMEOUT 1000
 #define TWT_ENABLE_COMPLETE_TIMEOUT  1000
 #define TWT_ACK_COMPLETE_TIMEOUT 1000
+#define TWT_WORK_RESCHED_WAIT_TIME 30
 
 #define TWT_FLOW_TYPE_ANNOUNCED 0
 #define TWT_FLOW_TYPE_UNANNOUNCED 1
@@ -4524,8 +4525,16 @@ void hdd_twt_update_work_handler(void *data)
 	int ret;
 
 	ret = osif_psoc_sync_op_start(wiphy_dev(hdd_ctx->wiphy), &psoc_sync);
-	if (ret)
+
+	if (ret == -EAGAIN) {
+		qdf_sleep(TWT_WORK_RESCHED_WAIT_TIME);
+		hdd_debug("rescheduling TWT work");
+		wlan_twt_concurrency_update(hdd_ctx);
 		return;
+	} else if (ret) {
+		hdd_err("can not handle TWT update %d", ret);
+		return;
+	}
 
 	__hdd_twt_update_work_handler(hdd_ctx);