USB: mct_u232: switch to generic get_icount implementation
Switch to the generic get_icount implementation.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 06d5a60..6f4303c 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -59,8 +59,6 @@
unsigned int set, unsigned int clear);
static int mct_u232_ioctl(struct tty_struct *tty,
unsigned int cmd, unsigned long arg);
-static int mct_u232_get_icount(struct tty_struct *tty,
- struct serial_icounter_struct *icount);
static void mct_u232_throttle(struct tty_struct *tty);
static void mct_u232_unthrottle(struct tty_struct *tty);
@@ -99,7 +97,7 @@
.port_probe = mct_u232_port_probe,
.port_remove = mct_u232_port_remove,
.ioctl = mct_u232_ioctl,
- .get_icount = mct_u232_get_icount,
+ .get_icount = usb_serial_generic_get_icount,
};
static struct usb_serial_driver * const serial_drivers[] = {
@@ -113,7 +111,6 @@
unsigned char last_lsr; /* Line Status Register */
unsigned char last_msr; /* Modem Status Register */
unsigned int rx_flags; /* Throttling flags */
- struct async_icount icount;
};
#define THROTTLED 0x01
@@ -570,7 +567,7 @@
/* Record Control Line states */
mct_u232_msr_to_state(port, &priv->control_state, priv->last_msr);
- mct_u232_msr_to_icount(&priv->icount, priv->last_msr);
+ mct_u232_msr_to_icount(&port->icount, priv->last_msr);
#if 0
/* Not yet handled. See belkin_sa.c for further information */
@@ -804,7 +801,7 @@
dev_dbg(&port->dev, "%s TIOCMIWAIT", __func__);
spin_lock_irqsave(&mct_u232_port->lock, flags);
- cprev = mct_u232_port->icount;
+ cprev = port->icount;
spin_unlock_irqrestore(&mct_u232_port->lock, flags);
for ( ; ; ) {
prepare_to_wait(&port->delta_msr_wait,
@@ -819,7 +816,7 @@
return -EIO;
spin_lock_irqsave(&mct_u232_port->lock, flags);
- cnow = mct_u232_port->icount;
+ cnow = port->icount;
spin_unlock_irqrestore(&mct_u232_port->lock, flags);
if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
@@ -837,35 +834,6 @@
return -ENOIOCTLCMD;
}
-static int mct_u232_get_icount(struct tty_struct *tty,
- struct serial_icounter_struct *icount)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct mct_u232_private *mct_u232_port = usb_get_serial_port_data(port);
- struct async_icount *ic = &mct_u232_port->icount;
- unsigned long flags;
-
- spin_lock_irqsave(&mct_u232_port->lock, flags);
-
- icount->cts = ic->cts;
- icount->dsr = ic->dsr;
- icount->rng = ic->rng;
- icount->dcd = ic->dcd;
- icount->rx = ic->rx;
- icount->tx = ic->tx;
- icount->frame = ic->frame;
- icount->overrun = ic->overrun;
- icount->parity = ic->parity;
- icount->brk = ic->brk;
- icount->buf_overrun = ic->buf_overrun;
-
- spin_unlock_irqrestore(&mct_u232_port->lock, flags);
-
- dev_dbg(&port->dev, "%s TIOCGICOUNT RX=%d, TX=%d\n",
- __func__, icount->rx, icount->tx);
- return 0;
-}
-
module_usb_serial_driver(serial_drivers, id_table);
MODULE_AUTHOR(DRIVER_AUTHOR);