Ejemplo n.º 1
0
static int __init kgdbmpsc_pdev_init(void)
{
	struct platform_device *pdev;

	/* get the platform data for the specified port. */
	pdev = mv64x60_early_get_pdev_data(MPSC_CTLR_NAME, kgdbmpsc_ttyMM, 1);
	if (pdev) {
		memcpy(&mpsc_dev, pdev, sizeof(struct platform_device));
		if (platform_notify) {
			kgdbmpsc_update_pdata(&mpsc_dev);
			platform_notify(&mpsc_dev.dev);
		}

		/* get the platform data for the shared registers. */
		pdev = mv64x60_early_get_pdev_data(MPSC_SHARED_NAME, 0, 0);
		if (pdev) {
			memcpy(&shared_dev, pdev,
			       sizeof(struct platform_device));
			if (platform_notify) {
				kgdbmpsc_update_pdata(&shared_dev);
				platform_notify(&shared_dev.dev);
			}
		}
	}
	return 0;
}
Ejemplo n.º 2
0
/**
 *	device_add - add device to device hierarchy.
 *	@dev:	device.
 *
 *	This is part 2 of device_register(), though may be called
 *	separately _iff_ device_initialize() has been called separately.
 *
 *	This adds it to the kobject hierarchy via kobject_add(), adds it
 *	to the global and sibling lists for the device, then
 *	adds it to the other relevant subsystems of the driver model.
 */
int device_add(struct device *dev)
{
	struct device *parent = NULL;
	int error = -EINVAL;

	dev = get_device(dev);
	if (!dev || !strlen(dev->bus_id))
		goto Error;

	parent = get_device(dev->parent);

	pr_debug("DEV: registering device: ID = '%s'\n", dev->bus_id);

	/* first, register with generic layer. */
	kobject_set_name(&dev->kobj, "%s", dev->bus_id);
	if (parent)
		dev->kobj.parent = &parent->kobj;

	if ((error = kobject_add(&dev->kobj)))
		goto Error;
	kobject_hotplug(&dev->kobj, KOBJ_ADD);
	if ((error = device_pm_add(dev)))
		goto PMError;
	if ((error = bus_add_device(dev)))
		goto BusError;
	if (parent)
		klist_add_tail(&parent->klist_children, &dev->knode_parent);

	/* notify platform of device entry */
	if (platform_notify)
		platform_notify(dev);
 Done:
	put_device(dev);
	return error;
 BusError:
	device_pm_remove(dev);
 PMError:
	kobject_hotplug(&dev->kobj, KOBJ_REMOVE);
	kobject_del(&dev->kobj);
 Error:
	if (parent)
		put_device(parent);
	goto Done;
}