A_TP_KEEP_IDLE
t3_write_reg(adap, A_TP_KEEP_IDLE, 7200 SECONDS);
tp_tick_us * t4_read_reg(padap, A_TP_KEEP_IDLE);
reg == A_TP_KEEP_IDLE || reg == A_TP_KEEP_INTVL ||
t4_set_reg_field(sc, A_TP_KEEP_IDLE,
A_TP_KEEP_IDLE, sysctl_tp_timer, "LU",