diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c
index c55036f2b87d..cfee5b5799b6 100644
--- a/drivers/tty/serial/msm_serial_hs.c
+++ b/drivers/tty/serial/msm_serial_hs.c
@@ -1849,7 +1849,7 @@ static void msm_hs_sps_tx_callback(struct sps_event_notify *notify)
 		&addr, notify->data.transfer.iovec.size,
 		notify->data.transfer.iovec.flags);
 
-	del_timer(&msm_uport->tx.tx_timeout_timer);
+	del_timer_sync(&msm_uport->tx.tx_timeout_timer);
 	MSM_HS_DBG("%s(): Queue kthread work\n", __func__);
 	kthread_queue_work(&msm_uport->tx.kworker, &msm_uport->tx.kwork);
 }