struct discover_client_ops {
int (*device_add)(struct device *device, void *arg);
struct discover_client_ops {
int (*device_add)(struct device *device, void *arg);
const struct device *device,
const struct boot_option *boot_option,
const struct pb_boot_data *data);
const struct device *device,
const struct boot_option *boot_option,
const struct pb_boot_data *data);