bnxt_usec_to_coal_tmr
tmr = bnxt_usec_to_coal_tmr(bp, hw_coal->coal_ticks);
tmr = bnxt_usec_to_coal_tmr(bp, hw_coal->coal_ticks_irq);
tmr = bnxt_usec_to_coal_tmr(bp, hw_coal->coal_ticks) / 2;