isdn: i4l: Remove ASYNC_CTS_FLOW

ISDN4Linux always enables CTS flow control and does not use the
tty_port_cts_enabled() helper function; remove ASYNC_CTS_FLOW
state enable/disable.

cc: Karsten Keil <isdn@linux-pingi.de>
cc: <netdev@vger.kernel.org>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 3c5f2491a16f..bc912611fe09 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1043,11 +1043,6 @@ isdn_tty_change_speed(modem_info *info)
         if (!(cflag & PARODD))
                 cval |= UART_LCR_EPAR;
 
-        /* CTS flow control flag and modem status interrupts */
-        if (cflag & CRTSCTS) {
-                port->flags |= ASYNC_CTS_FLOW;
-        } else
-                port->flags &= ~ASYNC_CTS_FLOW;
         if (cflag & CLOCAL)
                 port->flags &= ~ASYNC_CHECK_CD;
         else {