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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2007-10-18 01:24:25 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-25 12:18:43 -0700
commit6ce073bd8be0a741440944fed892a136a1d24bbe (patch)
treeff1bf5c19fd6a70016b2e4570513dac545c83443 /drivers/usb/serial/io_edgeport.c
parentbd5e47ccb656e74a775c002d0308c666bea65a2b (diff)
USB: io_edgeport: cleanups, and tty speed reporting
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/io_edgeport.c')
-rw-r--r--drivers/usb/serial/io_edgeport.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 8dd3abc99d6..a5d2e115e16 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -1503,22 +1503,16 @@ static void edge_unthrottle (struct usb_serial_port *port)
*****************************************************************************/
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 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi
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;
}