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USB: serial: cypress_m8: drop unused termios

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

Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2019-04-21 14:21:49 +02:00
parent da7d26a035
commit 817c0cfc90
1 changed files with 1 additions and 11 deletions
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12
drivers/usb/serial/cypress_m8.c
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@ -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 */