Beispiel #1
0
static int net1080_reset(struct usbnet *dev)
{
	u16		usbctl, status, ttl;
	u16		*vp = kmalloc(sizeof (u16), GFP_KERNEL);
	int		retval;

	if (!vp)
		return -ENOMEM;

	// nc_dump_registers(dev);

	if ((retval = nc_register_read(dev, REG_STATUS, vp)) < 0) {
		dbg("can't read %s-%s status: %d",
			dev->udev->bus->bus_name, dev->udev->devpath, retval);
		goto done;
	}
	status = *vp;
	nc_dump_status(dev, status);

	if ((retval = nc_register_read(dev, REG_USBCTL, vp)) < 0) {
		dbg("can't read USBCTL, %d", retval);
		goto done;
	}
	usbctl = *vp;
	nc_dump_usbctl(dev, usbctl);

	nc_register_write(dev, REG_USBCTL,
			USBCTL_FLUSH_THIS | USBCTL_FLUSH_OTHER);

	if ((retval = nc_register_read(dev, REG_TTL, vp)) < 0) {
		dbg("can't read TTL, %d", retval);
		goto done;
	}
	ttl = *vp;
	// nc_dump_ttl(dev, ttl);

	nc_register_write(dev, REG_TTL,
			MK_TTL(NC_READ_TTL_MS, TTL_OTHER(ttl)) );
	dbg("%s: assigned TTL, %d ms", dev->net->name, NC_READ_TTL_MS);

	if (netif_msg_link(dev))
		devinfo(dev, "port %c, peer %sconnected",
			(status & STATUS_PORT_A) ? 'A' : 'B',
			(status & STATUS_CONN_OTHER) ? "" : "dis"
			);
	retval = 0;

done:
	kfree(vp);
	return retval;
}
Beispiel #2
0
static int net1080_reset(struct usbnet *dev)
{
	u16		usbctl, status, ttl;
	u16		vp;
	int		retval;

	// nc_dump_registers(dev);

	if ((retval = nc_register_read(dev, REG_STATUS, &vp)) < 0) {
		netdev_dbg(dev->net, "can't read %s-%s status: %d\n",
			   dev->udev->bus->bus_name, dev->udev->devpath, retval);
		goto done;
	}
	status = vp;
	nc_dump_status(dev, status);

	if ((retval = nc_register_read(dev, REG_USBCTL, &vp)) < 0) {
		netdev_dbg(dev->net, "can't read USBCTL, %d\n", retval);
		goto done;
	}
	usbctl = vp;
	nc_dump_usbctl(dev, usbctl);

	nc_register_write(dev, REG_USBCTL,
			USBCTL_FLUSH_THIS | USBCTL_FLUSH_OTHER);

	if ((retval = nc_register_read(dev, REG_TTL, &vp)) < 0) {
		netdev_dbg(dev->net, "can't read TTL, %d\n", retval);
		goto done;
	}
	ttl = vp;
	// nc_dump_ttl(dev, ttl);

	nc_register_write(dev, REG_TTL,
			MK_TTL(NC_READ_TTL_MS, TTL_OTHER(ttl)) );
	netdev_dbg(dev->net, "assigned TTL, %d ms\n", NC_READ_TTL_MS);

	netif_info(dev, link, dev->net, "port %c, peer %sconnected\n",
		   (status & STATUS_PORT_A) ? 'A' : 'B',
		   (status & STATUS_CONN_OTHER) ? "" : "dis");
	retval = 0;

done:
	return retval;
}