pl320_ipc_register_notifier  152 arch/arm/mach-highbank/highbank.c 	pl320_ipc_register_notifier(&hb_keys_nb);
pl320_ipc_register_notifier  122 drivers/mailbox/pl320-ipc.c EXPORT_SYMBOL_GPL(pl320_ipc_register_notifier);
pl320_ipc_register_notifier    6 include/linux/pl320-ipc.h int pl320_ipc_register_notifier(struct notifier_block *nb);