C++ (Cpp) usb_serial_generic_submit_read_urbsの例

コード例 #1

ファイル: generic.c プロジェクト: CedricArchambault/linux

int usb_serial_generic_resume(struct usb_serial *serial)
{
    struct usb_serial_port *port;
    int i, c = 0, r;

    for (i = 0; i < serial->num_ports; i++) {
        port = serial->port[i];
        if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags))
            continue;

        if (port->bulk_in_size) {
            r = usb_serial_generic_submit_read_urbs(port,
                                                    GFP_NOIO);
            if (r < 0)
                c++;
        }

        if (port->bulk_out_size) {
            r = usb_serial_generic_write_start(port);
            if (r < 0)
                c++;
        }
    }

    return c ? -EIO : 0;
}

コード例 #2

ファイル: generic.c プロジェクト: atmark-techno/linux-3.14-at

void usb_serial_generic_unthrottle(struct tty_struct *tty)
{
	struct usb_serial_port *port = tty->driver_data;
	int was_throttled;

	spin_lock_irq(&port->lock);
	was_throttled = port->throttled;
	port->throttled = port->throttle_req = 0;
	spin_unlock_irq(&port->lock);

	if (was_throttled)
		usb_serial_generic_submit_read_urbs(port, GFP_KERNEL);
}

コード例 #3

ファイル: generic.c プロジェクト: atmark-techno/linux-3.14-at

int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port)
{
	int result = 0;
	unsigned long flags;

	spin_lock_irqsave(&port->lock, flags);
	port->throttled = 0;
	port->throttle_req = 0;
	spin_unlock_irqrestore(&port->lock, flags);

	if (port->bulk_in_size)
		result = usb_serial_generic_submit_read_urbs(port, GFP_KERNEL);

	return result;
}

コード例 #4

ファイル: generic.c プロジェクト: AbdulrahmanAmir/Dorimanx-LG-G2-D802-Kernel

void usb_serial_generic_unthrottle(struct tty_struct *tty)
{
	struct usb_serial_port *port = tty->driver_data;
	int was_throttled;

	dbg("%s - port %d", __func__, port->number);

	/* Clear the throttle flags */
	spin_lock_irq(&port->lock);
	was_throttled = port->throttled;
	port->throttled = port->throttle_req = 0;
	spin_unlock_irq(&port->lock);

	if (was_throttled)
		usb_serial_generic_submit_read_urbs(port, GFP_KERNEL);
}

コード例 #5

ファイル: generic.c プロジェクト: CedricArchambault/linux

int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port)
{
    int result = 0;
    unsigned long flags;

    /* clear the throttle flags */
    spin_lock_irqsave(&port->lock, flags);
    port->throttled = 0;
    port->throttle_req = 0;
    spin_unlock_irqrestore(&port->lock, flags);

    /* if we have a bulk endpoint, start reading from it */
    if (port->bulk_in_size)
        result = usb_serial_generic_submit_read_urbs(port, GFP_KERNEL);

    return result;
}