tc_3000_500_intrnull
tc_3000_500_intr[i].tci_func = tc_3000_500_intrnull;
if (tc_3000_500_intr[dev].tci_func != tc_3000_500_intrnull)
if (tc_3000_500_intr[dev].tci_func == tc_3000_500_intrnull)
tc_3000_500_intr[dev].tci_func = tc_3000_500_intrnull;
int tc_3000_500_intrnull(void *);