CHMCTRL_NBANKS
struct chmc_bank_info logical_banks[CHMCTRL_NBANKS];
for (bank_no = 0; bank_no < CHMCTRL_NBANKS; bank_no++) {
bank_in_controller = bp->bank_id & (CHMCTRL_NBANKS - 1);
bp->bank_id = (CHMCTRL_NBANKS * p->portid) + which_bank;