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USB: f81232: add custom tiocmiwait operation 

Break out TIOCMIWAIT handling from custom ioctl operation and use
tiocmiwait operation field instead.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-03-21 12:37:05 +01:00 committed by Greg Kroah-Hartman
parent a7fa57742e
commit 4bb4e6384a
1 changed files with 3 additions and 6 deletions
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9
drivers/usb/serial/f81232.c
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@ -242,8 +242,9 @@ static int f81232_carrier_raised(struct usb_serial_port *port)
return 0;
}
static int wait_modem_info(struct usb_serial_port *port, unsigned int arg)
static int f81232_tiocmiwait(struct tty_struct *tty, unsigned long arg)
{
struct usb_serial_port *port = tty->driver_data;
struct f81232_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
unsigned int prevstatus;
@ -302,11 +303,6 @@ static int f81232_ioctl(struct tty_struct *tty,
return -EFAULT;
return 0;
case TIOCMIWAIT:
dev_dbg(&port->dev, "%s (%d) TIOCMIWAIT\n", __func__,
port->number);
return wait_modem_info(port, arg);
default:
dev_dbg(&port->dev, "%s not supported = 0x%04x\n",
__func__, cmd);
@ -358,6 +354,7 @@ static struct usb_serial_driver f81232_device = {
.set_termios = f81232_set_termios,
.tiocmget = f81232_tiocmget,
.tiocmset = f81232_tiocmset,
.tiocmiwait = f81232_tiocmiwait,
.process_read_urb = f81232_process_read_urb,
.read_int_callback = f81232_read_int_callback,
.port_probe = f81232_port_probe,