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serial: fsl_lpuart: remove build warning 

commit 2a41bc2a2b ("tty: serial: fsl_lpuart: add polled console
functions") caused a build warning about an unused variable, so fix it.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Nicolae Rosia <nicolae_rosia@mentor.com>
Cc: Stefan Golinschi <stefan.golinschi@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2016-10-28 02:47:35 -04:00
parent b9c8b7fc25
commit 463e2a2b89
1 changed files with 0 additions and 2 deletions
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2
drivers/tty/serial/fsl_lpuart.c
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@ -473,8 +473,6 @@ static int lpuart_poll_init(struct uart_port *port)
static void lpuart_poll_put_char(struct uart_port *port, unsigned char c)
{
unsigned int status;
/* drain */
while (!(readb(port->membase + UARTSR1) & UARTSR1_TDRE))
barrier();