Signed-off-by: Alan Cox <alan@redhat.com>
diff -u --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.23-mm1/drivers/usb/serial/io_edgeport.c linux-2.6.23-mm1/drivers/usb/serial/io_edgeport.c
--- linux.vanilla-2.6.23-mm1/drivers/usb/serial/io_edgeport.c 2007-10-15 15:03:37.000000000 +0100
+++ linux-2.6.23-mm1/drivers/usb/serial/io_edgeport.c 2007-10-15 15:23:18.000000000 +0100
@@ -1503,22 +1503,16 @@
*****************************************************************************/
static void edge_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
{
+ /* FIXME: This function appears unused ?? */
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
struct tty_struct *tty = port->tty;
unsigned int cflag;
- if (!port->tty || !port->tty->termios) {
- dbg ("%s - no tty or termios", __FUNCTION__);
- return;
- }
-
cflag = tty->termios->c_cflag;
dbg("%s - clfag %08x iflag %08x", __FUNCTION__,
tty->termios->c_cflag, tty->termios->c_iflag);
- if (old_termios) {
- dbg("%s - old clfag %08x old iflag %08x", __FUNCTION__,
- old_termios->c_cflag, old_termios->c_iflag);
- }
+ dbg("%s - old clfag %08x old iflag %08x", __FUNCTION__,
+ old_termios->c_cflag, old_termios->c_iflag);
dbg("%s - port %d", __FUNCTION__, port->number);
@@ -2653,7 +2647,11 @@
dbg("%s - baud rate = %d", __FUNCTION__, baud);
status = send_cmd_write_baud_rate (edge_port, baud);
-
+ if (status == -1) {
+ /* Speed change was not possible - put back the old speed */
+ baud = tty_termios_baud_rate(old_termios);
+ tty_encode_baud_rate(tty, baud, baud);
+ }
return;
}
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