amiga/dev/mfc.c

727 	int cflag, unit, ospeed;
737 	ospeed = ttspeedtab(t->c_ospeed, scc->mfc_iii ? mfcs3speedtab2 :
744 	if (ospeed < 0 && (scc->clk_frq % t->c_ospeed) == 0) {
745 		ospeed = scc->clk_frq / t->c_ospeed;	/* divisor */
746 		if (scc->ct_usecnt > 0 && scc->ct_val != ospeed)
747 			ospeed = -1;
749 			scc->sc_regs->du_ctur = ospeed >> 8;
750 			scc->sc_regs->du_ctlr = ospeed;
751 			scc->ct_val = ospeed;
754 			ospeed = 0xdd;
758 	if (ospeed < 0 || (t->c_ispeed && t->c_ispeed != t->c_ospeed))
777 	    t->c_ospeed, ospeed, scc->ct_val, scc->imask, cflag);
779 	if (ospeed == 0)
787 		sc->sc_duart->ch_csr = ospeed;