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path: root/drivers/usb/serial/mos7720.c
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Diffstat (limited to 'drivers/usb/serial/mos7720.c')
-rw-r--r--drivers/usb/serial/mos7720.c60
1 files changed, 29 insertions, 31 deletions
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index aa665817a272..7d3bc9a3e2b6 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -827,7 +827,6 @@ exit:
dev_err(&urb->dev->dev,
"%s - Error %d submitting control urb\n",
__func__, result);
- return;
}
/*
@@ -907,7 +906,6 @@ exit:
dev_err(&urb->dev->dev,
"%s - Error %d submitting control urb\n",
__func__, result);
- return;
}
/*
@@ -1227,8 +1225,6 @@ static void mos7720_break(struct tty_struct *tty, int break_state)
mos7720_port->shadowLCR = data;
write_mos_reg(serial, port->number - port->serial->minor,
LCR, mos7720_port->shadowLCR);
-
- return;
}
/*
@@ -1746,7 +1742,6 @@ static void change_port_settings(struct tty_struct *tty,
dbg("usb_submit_urb(read bulk) failed, status = %d",
status);
}
- return;
}
/*
@@ -1803,7 +1798,6 @@ static void mos7720_set_termios(struct tty_struct *tty,
dbg("usb_submit_urb(read bulk) failed, status = %d",
status);
}
- return;
}
/*
@@ -1896,10 +1890,37 @@ static int mos7720_tiocmset(struct tty_struct *tty, struct file *file,
return 0;
}
+static int mos7720_get_icount(struct tty_struct *tty,
+ struct serial_icounter_struct *icount)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ struct moschip_port *mos7720_port;
+ struct async_icount cnow;
+
+ mos7720_port = usb_get_serial_port_data(port);
+ cnow = mos7720_port->icount;
+
+ icount->cts = cnow.cts;
+ icount->dsr = cnow.dsr;
+ icount->rng = cnow.rng;
+ icount->dcd = cnow.dcd;
+ icount->rx = cnow.rx;
+ icount->tx = cnow.tx;
+ icount->frame = cnow.frame;
+ icount->overrun = cnow.overrun;
+ icount->parity = cnow.parity;
+ icount->brk = cnow.brk;
+ icount->buf_overrun = cnow.buf_overrun;
+
+ dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __func__,
+ port->number, icount->rx, icount->tx);
+ return 0;
+}
+
static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd,
unsigned int __user *value)
{
- unsigned int mcr ;
+ unsigned int mcr;
unsigned int arg;
struct usb_serial_port *port;
@@ -1973,7 +1994,6 @@ static int mos7720_ioctl(struct tty_struct *tty, struct file *file,
struct moschip_port *mos7720_port;
struct async_icount cnow;
struct async_icount cprev;
- struct serial_icounter_struct icount;
mos7720_port = usb_get_serial_port_data(port);
if (mos7720_port == NULL)
@@ -2021,29 +2041,6 @@ static int mos7720_ioctl(struct tty_struct *tty, struct file *file,
}
/* NOTREACHED */
break;
-
- case TIOCGICOUNT:
- cnow = mos7720_port->icount;
-
- memset(&icount, 0, sizeof(struct serial_icounter_struct));
-
- icount.cts = cnow.cts;
- icount.dsr = cnow.dsr;
- icount.rng = cnow.rng;
- icount.dcd = cnow.dcd;
- icount.rx = cnow.rx;
- icount.tx = cnow.tx;
- icount.frame = cnow.frame;
- icount.overrun = cnow.overrun;
- icount.parity = cnow.parity;
- icount.brk = cnow.brk;
- icount.buf_overrun = cnow.buf_overrun;
-
- dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __func__,
- port->number, icount.rx, icount.tx);
- if (copy_to_user((void __user *)arg, &icount, sizeof(icount)))
- return -EFAULT;
- return 0;
}
return -ENOIOCTLCMD;
@@ -2212,6 +2209,7 @@ static struct usb_serial_driver moschip7720_2port_driver = {
.ioctl = mos7720_ioctl,
.tiocmget = mos7720_tiocmget,
.tiocmset = mos7720_tiocmset,
+ .get_icount = mos7720_get_icount,
.set_termios = mos7720_set_termios,
.write = mos7720_write,
.write_room = mos7720_write_room,