apei_read
rc = apei_read(&valr, &entry->register_region);
rc = apei_read(val, &entry->register_region);
EXPORT_SYMBOL_GPL(apei_read);
int apei_read(u64 *val, struct acpi_generic_address *reg);
rc = apei_read(&paddr, &g->error_status_address);
rc = apei_read(&val, &gv2->read_ack_register);
rc = apei_read(buf_paddr, &g->error_status_address);