USB: serial: cypress_m8: drop unused termios

Drop driver termios structure that held a copy of the tty termios for
no good reason.

Signed-off-by: Johan Hovold <johan@kernel.org>

diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 8a06e5f..f9bbbdd 100644 (file)
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -108,9 +108,6 @@ struct cypress_private {
        int baud_rate;                     /* stores current baud rate in
                                              integer form */
        char prev_status;                  /* used for TIOCMIWAIT */
-       /* we pass a pointer to this as the argument sent to
-          cypress_set_termios old_termios */
-       struct ktermios tmp_termios;       /* stores the old termios settings */
 };
 
 /* function prototypes for the Cypress USB to serial device */
@@ -603,7 +600,7 @@ static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port)
        cypress_send(port);
 
        if (tty)
-               cypress_set_termios(tty, port, &priv->tmp_termios);
+               cypress_set_termios(tty, port, NULL);
 
        /* setup the port and start reading from the device */
        usb_fill_int_urb(port->interrupt_in_urb, serial->dev,
@@ -899,13 +896,6 @@ static void cypress_set_termios(struct tty_struct *tty,
 
        cflag = tty->termios.c_cflag;
 
-       /* check if there are new settings */
-       if (old_termios) {
-               spin_lock_irqsave(&priv->lock, flags);
-               priv->tmp_termios = tty->termios;
-               spin_unlock_irqrestore(&priv->lock, flags);
-       }
-
        /* set number of data bits, parity, stop bits */
        /* when parity is disabled the parity type bit is ignored */