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path: root/drivers/usb/serial/io_edgeport.c
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Diffstat (limited to 'drivers/usb/serial/io_edgeport.c')
-rw-r--r--drivers/usb/serial/io_edgeport.c60
1 files changed, 27 insertions, 33 deletions
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 76e6fb3aab7a..cd769ef24f8a 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -222,6 +222,8 @@ static void edge_break(struct tty_struct *tty, int break_state);
static int edge_tiocmget(struct tty_struct *tty, struct file *file);
static int edge_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
+static int edge_get_icount(struct tty_struct *tty,
+ struct serial_icounter_struct *icount);
static int edge_startup(struct usb_serial *serial);
static void edge_disconnect(struct usb_serial *serial);
static void edge_release(struct usb_serial *serial);
@@ -1465,8 +1467,6 @@ static void edge_throttle(struct tty_struct *tty)
if (status != 0)
return;
}
-
- return;
}
@@ -1624,6 +1624,31 @@ static int edge_tiocmget(struct tty_struct *tty, struct file *file)
return result;
}
+static int edge_get_icount(struct tty_struct *tty,
+ struct serial_icounter_struct *icount)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ struct edgeport_port *edge_port = usb_get_serial_port_data(port);
+ struct async_icount cnow;
+ cnow = edge_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 get_serial_info(struct edgeport_port *edge_port,
struct serial_struct __user *retinfo)
{
@@ -1650,7 +1675,6 @@ static int get_serial_info(struct edgeport_port *edge_port,
}
-
/*****************************************************************************
* SerialIoctl
* this function handles any ioctl calls to the driver
@@ -1663,7 +1687,6 @@ static int edge_ioctl(struct tty_struct *tty, struct file *file,
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
struct async_icount cnow;
struct async_icount cprev;
- struct serial_icounter_struct icount;
dbg("%s - port %d, cmd = 0x%x", __func__, port->number, cmd);
@@ -1702,26 +1725,6 @@ static int edge_ioctl(struct tty_struct *tty, struct file *file,
/* NOTREACHED */
break;
- case TIOCGICOUNT:
- cnow = edge_port->icount;
- memset(&icount, 0, sizeof(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);
- if (copy_to_user((void __user *)arg, &icount, sizeof(icount)))
- return -EFAULT;
- return 0;
}
return -ENOIOCTLCMD;
}
@@ -1770,8 +1773,6 @@ static void edge_break(struct tty_struct *tty, int break_state)
dbg("%s - error sending break set/clear command.",
__func__);
}
-
- return;
}
@@ -2042,7 +2043,6 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial,
dbg("%s - Unrecognized IOSP status code %u", __func__, code);
break;
}
- return;
}
@@ -2095,8 +2095,6 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 newMsr)
/* Save the new modem status */
edge_port->shadowMSR = newMsr & 0xf0;
-
- return;
}
@@ -2143,8 +2141,6 @@ static void handle_new_lsr(struct edgeport_port *edge_port, __u8 lsrData,
icount->parity++;
if (newLsr & LSR_FRM_ERR)
icount->frame++;
-
- return;
}
@@ -2720,7 +2716,6 @@ static void change_port_settings(struct tty_struct *tty,
baud = tty_termios_baud_rate(old_termios);
tty_encode_baud_rate(tty, baud, baud);
}
- return;
}
@@ -2922,7 +2917,6 @@ static void load_application_firmware(struct edgeport_serial *edge_serial)
0x40, 0x4000, 0x0001, NULL, 0, 3000);
release_firmware(fw);
- return;
}