tty: move the termios object into the tty
This will let us sort out a whole pile of tty related races. The
alternative would be to keep points and refcount the termios objects.
However
1. They are tiny anyway
2. Many devices don't use the stored copies
3. We can remove a pty special case
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index e1f5ccd..f435575 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -1458,7 +1458,7 @@
}
/* if we are implementing RTS/CTS, toggle that line */
- if (tty->termios->c_cflag & CRTSCTS) {
+ if (tty->termios.c_cflag & CRTSCTS) {
edge_port->shadowMCR &= ~MCR_RTS;
status = send_cmd_write_uart_register(edge_port, MCR,
edge_port->shadowMCR);
@@ -1497,7 +1497,7 @@
return;
}
/* if we are implementing RTS/CTS, toggle that line */
- if (tty->termios->c_cflag & CRTSCTS) {
+ if (tty->termios.c_cflag & CRTSCTS) {
edge_port->shadowMCR |= MCR_RTS;
send_cmd_write_uart_register(edge_port, MCR,
edge_port->shadowMCR);
@@ -1516,9 +1516,9 @@
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
unsigned int cflag;
- cflag = tty->termios->c_cflag;
+ cflag = tty->termios.c_cflag;
dbg("%s - clfag %08x iflag %08x", __func__,
- tty->termios->c_cflag, tty->termios->c_iflag);
+ tty->termios.c_cflag, tty->termios.c_iflag);
dbg("%s - old clfag %08x old iflag %08x", __func__,
old_termios->c_cflag, old_termios->c_iflag);
@@ -1987,7 +1987,7 @@
tty = tty_port_tty_get(&edge_port->port->port);
if (tty) {
change_port_settings(tty,
- edge_port, tty->termios);
+ edge_port, &tty->termios);
tty_kref_put(tty);
}
@@ -2570,7 +2570,7 @@
return;
}
- cflag = tty->termios->c_cflag;
+ cflag = tty->termios.c_cflag;
switch (cflag & CSIZE) {
case CS5: