SERIAL: omap: allow hardware assisted IXANY mode to be disabled

Nothing was clearing the UART_MCR_XONANY bit, so once the ixany
mode gets set, there's no possibility to disable it.  Clear this
bit when IXANY mode is cleared.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index b6a1925..f5b2f39 100644 (file)
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -698,6 +698,8 @@ serial_omap_configure_xonxoff
         */
        if (termios->c_iflag & IXANY)
                up->mcr |= UART_MCR_XONANY;
+       else
+               up->mcr &= ~UART_MCR_XONANY;
 
        serial_out(up, UART_MCR, up->mcr | UART_MCR_TCRTLR);
        serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);