static int __init pnpacpi_add_device(struct acpi_device *device)
{
acpi_handle temp = NULL;
acpi_status status;
struct pnp_dev *dev;
status = acpi_get_handle(device->handle, "_CRS", &temp);
if (ACPI_FAILURE(status) || !ispnpidacpi(acpi_device_hid(device)) ||
is_exclusive_device(device))
return 0;
dev = pnp_alloc_dev(&pnpacpi_protocol, num, acpi_device_hid(device));
if (!dev)
return -ENOMEM;
dev->data = device->handle;
/* .enabled means the device can decode the resources */
dev->active = device->status.enabled;
status = acpi_get_handle(device->handle, "_SRS", &temp);
if (ACPI_SUCCESS(status))
dev->capabilities |= PNP_CONFIGURABLE;
dev->capabilities |= PNP_READ;
if (device->flags.dynamic_status && (dev->capabilities & PNP_CONFIGURABLE))
dev->capabilities |= PNP_WRITE;
if (device->flags.removable)
dev->capabilities |= PNP_REMOVABLE;
status = acpi_get_handle(device->handle, "_DIS", &temp);
if (ACPI_SUCCESS(status))
dev->capabilities |= PNP_DISABLE;
if (strlen(acpi_device_name(device)))
strncpy(dev->name, acpi_device_name(device), sizeof(dev->name));
else
strncpy(dev->name, acpi_device_bid(device), sizeof(dev->name));
if (dev->active)
pnpacpi_parse_allocated_resource(dev);
if (dev->capabilities & PNP_CONFIGURABLE)
pnpacpi_parse_resource_option_data(dev);
if (device->flags.compatible_ids) {
struct acpi_compatible_id_list *cid_list = device->pnp.cid_list;
int i;
for (i = 0; i < cid_list->count; i++) {
if (!ispnpidacpi(cid_list->id[i].value))
continue;
pnp_add_id(dev, cid_list->id[i].value);
}
}
/* clear out the damaged flags */
if (!dev->active)
pnp_init_resources(dev);
pnp_add_device(dev);
num++;
return AE_OK;
}
int pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
{
acpi_handle handle = dev->data;
acpi_status status;
pnp_dbg(&dev->dev, "parse allocated resources\n");
pnp_init_resources(dev);
status = acpi_walk_resources(handle, METHOD_NAME__CRS,
pnpacpi_allocated_resource, dev);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND)
dev_err(&dev->dev, "can't evaluate _CRS: %d", status);
return -EPERM;
}
return 0;
}
