diff options
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index eb748ef85da7..58043e01a242 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -553,14 +553,14 @@ static void lpuart_wait_bit_set(struct uart_port *port, unsigned int offset, u8 bit) { while (!(readb(port->membase + offset) & bit)) - barrier(); + cpu_relax(); } static void lpuart32_wait_bit_set(struct uart_port *port, unsigned int offset, u32 bit) { while (!(lpuart32_read(port, offset) & bit)) - barrier(); + cpu_relax(); } #if defined(CONFIG_CONSOLE_POLL) |