drivers/atm/eni.c

1250 static int comp_tx(struct eni_dev *eni_dev,int *pcr,int reserved,int *pre,
1256 	if (unlimited) *pre = *res = 0;
1261 			for (*pre = 0; *pre < 3; (*pre)++)
1262 				if (TS_CLOCK/pre_div[*pre]/64 <= *pcr) break;
1263 			div = pre_div[*pre]**pcr;
1271 			for (*pre = 3; *pre >= 0; (*pre)--)
1272 				if (TS_CLOCK/pre_div[*pre]/64 > -*pcr) break;
1273 			if (*pre < 3) (*pre)++; /* else fail later */
1274 			div = pre_div[*pre]*-*pcr;
1281 	*pcr = TS_CLOCK/pre_div[*pre]/(*res+1);
1282 	DPRINTK("out pcr: %d (%d:%d)\n",*pcr,*pre,*res);
1296 	int pre,res,order;
1340 	error = comp_tx(eni_dev,&rate,tx->reserved,&pre,&res,unlimited);
1365 		tx->prescaler = pre;