diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index a0f38d7caa76..395df8c7e1d5 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -617,26 +617,26 @@ static int lpuart32_poll_init(struct uart_port *port)
 	spin_lock_irqsave(&sport->port.lock, flags);
 
 	/* Disable Rx & Tx */
-	writel(0, sport->port.membase + UARTCTRL);
+	lpuart32_write(&sport->port, UARTCTRL, 0);
 
-	temp = readl(sport->port.membase + UARTFIFO);
+	temp = lpuart32_read(&sport->port, UARTFIFO);
 
 	/* Enable Rx and Tx FIFO */
-	writel(temp | UARTFIFO_RXFE | UARTFIFO_TXFE,
-		   sport->port.membase + UARTFIFO);
+	lpuart32_write(&sport->port, UARTFIFO,
+		       temp | UARTFIFO_RXFE | UARTFIFO_TXFE);
 
 	/* flush Tx and Rx FIFO */
-	writel(UARTFIFO_TXFLUSH | UARTFIFO_RXFLUSH,
-			sport->port.membase + UARTFIFO);
+	lpuart32_write(&sport->port, UARTFIFO,
+		       UARTFIFO_TXFLUSH | UARTFIFO_RXFLUSH);
 
 	/* explicitly clear RDRF */
-	if (readl(sport->port.membase + UARTSTAT) & UARTSTAT_RDRF) {
-		readl(sport->port.membase + UARTDATA);
-		writel(UARTFIFO_RXUF, sport->port.membase + UARTFIFO);
+	if (lpuart32_read(&sport->port, UARTSTAT) & UARTSTAT_RDRF) {
+		lpuart32_read(&sport->port, UARTDATA);
+		lpuart32_write(&sport->port, UARTFIFO, UARTFIFO_RXUF);
 	}
 
 	/* Enable Rx and Tx */
-	writel(UARTCTRL_RE | UARTCTRL_TE, sport->port.membase + UARTCTRL);
+	lpuart32_write(&sport->port, UARTCTRL, UARTCTRL_RE | UARTCTRL_TE);
 	spin_unlock_irqrestore(&sport->port.lock, flags);
 
 	return 0;
@@ -644,18 +644,18 @@ static int lpuart32_poll_init(struct uart_port *port)
 
 static void lpuart32_poll_put_char(struct uart_port *port, unsigned char c)
 {
-	while (!(readl(port->membase + UARTSTAT) & UARTSTAT_TDRE))
+	while (!(lpuart32_read(port, UARTSTAT) & UARTSTAT_TDRE))
 		barrier();
 
-	writel(c, port->membase + UARTDATA);
+	lpuart32_write(port, UARTDATA, c);
 }
 
 static int lpuart32_poll_get_char(struct uart_port *port)
 {
-	if (!(readl(port->membase + UARTSTAT) & UARTSTAT_RDRF))
+	if (!(lpuart32_read(port, UARTSTAT) & UARTSTAT_RDRF))
 		return NO_POLL_CHAR;
 
-	return readl(port->membase + UARTDATA);
+	return lpuart32_read(port, UARTDATA);
 }
 #endif