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isdn: i4l: Remove ASYNC_CTS_FLOW

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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>
This commit is contained in:
Peter Hurley 2014-09-10 15:06:25 -04:00 committed by Greg Kroah-Hartman
parent 299245a145
commit 317c136020
1 changed files with 0 additions and 5 deletions
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5
drivers/isdn/i4l/isdn_tty.c
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@ -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 {