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8250: fix set_ldisc operation

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The ldisc number now gets passed into ->set_ldisc.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Arnd Bergmann 2010-06-01 22:53:11 +02:00 committed by Greg Kroah-Hartman
parent e142a31da3
commit a0821df6e5
1 changed files with 2 additions and 7 deletions
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9
drivers/serial/8250.c
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@ -2404,14 +2404,9 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios,
} }
static void static void
serial8250_set_ldisc(struct uart_port *port) serial8250_set_ldisc(struct uart_port *port, int new)
{ {
int line = port->line; if (new == N_PPS) {
if (line >= port->state->port.tty->driver->num)
return;
if (port->state->port.tty->ldisc->ops->num == N_PPS) {
port->flags |= UPF_HARDPPS_CD; port->flags |= UPF_HARDPPS_CD;
serial8250_enable_ms(port); serial8250_enable_ms(port);
} else } else