1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index bb9c3574caa9..4d1ccc2b762d 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -615,7 +615,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
         imr = UART_GET_IMR(port);
         UART_PUT_IDR(port, -1);
         while (!(UART_GET_CSR(port) & ATMEL_US_TXEMPTY))
-                barrier();
+                cpu_relax();
 
         /* disable receiver and transmitter */
         UART_PUT_CR(port, ATMEL_US_TXDIS | ATMEL_US_RXDIS);
@@ -794,7 +794,7 @@ void __init atmel_register_uart_fns(struct atmel_port_fns *fns)
 static void atmel_console_putchar(struct uart_port *port, int ch)
 {
         while (!(UART_GET_CSR(port) & ATMEL_US_TXRDY))
-                barrier();
+                cpu_relax();
         UART_PUT_CHAR(port, ch);
 }