DBCR_IAC34MODE
if (dbcr_iac_range(child) & DBCR_IAC34MODE)
if (dbcr_iac_range(child) & DBCR_IAC34MODE) {
dbcr_iac_range(child) &= ~DBCR_IAC34MODE;
if (dbcr_iac_range(child) & DBCR_IAC34MODE)
dbcr_iac_range(current) &= ~DBCR_IAC34MODE;