diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c
index 9a9ea7c62db1..844c7617b9e6 100644
--- a/drivers/tty/serial/msm_serial_hs.c
+++ b/drivers/tty/serial/msm_serial_hs.c
@@ -2831,6 +2831,7 @@ static int uartdm_init_port(struct uart_port *uport)
 	struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
 	struct msm_hs_tx *tx = &msm_uport->tx;
 	struct msm_hs_rx *rx = &msm_uport->rx;
+	struct sched_param param = { .sched_priority = 1 };
 
 	init_waitqueue_head(&rx->wait);
 	init_waitqueue_head(&tx->wait);
@@ -2845,6 +2846,8 @@ static int uartdm_init_port(struct uart_port *uport)
 		MSM_HS_ERR("%s(): error creating task", __func__);
 		goto exit_lh_init;
 	}
+	sched_setscheduler(rx->task, SCHED_FIFO, &param);
+
 	init_kthread_work(&rx->kwork, msm_serial_hs_rx_work);
 
 	init_kthread_worker(&tx->kworker);
@@ -2854,6 +2857,7 @@ static int uartdm_init_port(struct uart_port *uport)
 		MSM_HS_ERR("%s(): error creating task", __func__);
 		goto exit_lh_init;
 	}
+	sched_setscheduler(tx->task, SCHED_FIFO, &param);
 
 	init_kthread_work(&tx->kwork, msm_serial_hs_tx_work);