Exemplo n.º 1
0
static int pnp_bus_match(struct device *dev, struct device_driver *drv)
{
	struct pnp_dev * pnp_dev = to_pnp_dev(dev);
	struct pnp_driver * pnp_drv = to_pnp_driver(drv);
	if (match_device(pnp_drv, pnp_dev) == NULL)
		return 0;
	return 1;
}
Exemplo n.º 2
0
static int pnp_device_probe(struct device *dev)
{
	int error;
	struct pnp_driver *pnp_drv;
	struct pnp_dev *pnp_dev;
	const struct pnp_device_id *dev_id = NULL;
	pnp_dev = to_pnp_dev(dev);
	pnp_drv = to_pnp_driver(dev->driver);

	pnp_dbg("match found with the PnP device '%s' and the driver '%s'",
		dev->bus_id, pnp_drv->name);

	error = pnp_device_attach(pnp_dev);
	if (error < 0)
		return error;

	if (pnp_dev->active == 0) {
		if (!(pnp_drv->flags & PNP_DRIVER_RES_DO_NOT_CHANGE)) {
			error = pnp_activate_dev(pnp_dev);
			if (error < 0)
				return error;
		}
	} else if ((pnp_drv->flags & PNP_DRIVER_RES_DISABLE)
		   == PNP_DRIVER_RES_DISABLE) {
		error = pnp_disable_dev(pnp_dev);
		if (error < 0)
			return error;
	}
	error = 0;
	if (pnp_drv->probe) {
		dev_id = match_device(pnp_drv, pnp_dev);
		if (dev_id != NULL)
			error = pnp_drv->probe(pnp_dev, dev_id);
	}
	if (error >= 0) {
		pnp_dev->driver = pnp_drv;
		error = 0;
	} else
		goto fail;
	return error;

fail:
	pnp_device_detach(pnp_dev);
	return error;
}
Exemplo n.º 3
0
int radio_isa_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
{
	struct pnp_driver *pnp_drv = to_pnp_driver(dev->dev.driver);
	struct radio_isa_driver *drv = container_of(pnp_drv,
					struct radio_isa_driver, pnp_driver);
	struct radio_isa_card *isa;

	if (!pnp_port_valid(dev, 0))
		return -ENODEV;

	isa = radio_isa_alloc(drv, &dev->dev);
	if (!isa)
		return -ENOMEM;

	isa->io = pnp_port_start(dev, 0);

	return radio_isa_common_probe(isa, &dev->dev, drv->radio_nr_params[0],
					pnp_port_len(dev, 0));
}