diff options
| author | Peter Hurley <peter@hurleysoftware.com> | 2016-04-09 17:53:23 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-30 09:26:55 -0700 |
| commit | 2d68655d15bc99981394f7caa769a14b03cac131 (patch) | |
| tree | a61f1f9ffe92c21ff69fdd3f09c8f921f0670fcf /drivers/isdn/i4l/isdn_tty.c | |
| parent | 807c8d81f4ec441241cafa3034c58df721fee869 (diff) | |
tty: Replace ASYNC_CHECK_CD and update atomically
Replace ASYNC_CHECK_CD bit in the tty_port::flags field with
TTY_PORT_CHECK_CD bit in the tty_port::iflags field. Introduce helpers
tty_port_set_check_carrier() and tty_port_check_carrier() to abstract
the atomic bit ops.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/isdn/i4l/isdn_tty.c')
| -rw-r--r-- | drivers/isdn/i4l/isdn_tty.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c index d8468f3529a7..023a350a8cd8 100644 --- a/drivers/isdn/i4l/isdn_tty.c +++ b/drivers/isdn/i4l/isdn_tty.c @@ -1043,11 +1043,7 @@ isdn_tty_change_speed(modem_info *info) if (!(cflag & PARODD)) cval |= UART_LCR_EPAR; - if (cflag & CLOCAL) - port->flags &= ~ASYNC_CHECK_CD; - else { - port->flags |= ASYNC_CHECK_CD; - } + tty_port_set_check_carrier(port, ~cflag & CLOCAL); } static int @@ -2526,7 +2522,7 @@ isdn_tty_modem_result(int code, modem_info *info) if (info->closing || (!info->port.tty)) return; - if (info->port.flags & ASYNC_CHECK_CD) + if (tty_port_check_carrier(&info->port)) tty_hangup(info->port.tty); } } |