pmf_register_driver
extern int pmf_register_driver(struct device_node *np,
pmf_register_driver(np, &pmac_i2c_pfunc_handlers,
pmf_register_driver(gp, &macio_gpio_handlers, (void *)offset);
pmf_register_driver(macio->of_node, &macio_mmio_handlers, macio);
pmf_register_driver(uninorth_node, &unin_mmio_handlers, NULL);
pmf_register_driver(unin_hwclock, &unin_mmio_handlers, NULL);
EXPORT_SYMBOL_GPL(pmf_register_driver);