Symbol: efi_wait_for_key
drivers/firmware/efi/libstub/efistub.h
507
efi_status_t efi_wait_for_key(unsigned long usec, efi_input_key_t *key);
drivers/firmware/efi/libstub/gop.c
318
status = efi_wait_for_key(10 * EFI_USEC_PER_SEC, &key);