409 	int		maxlen, new_z2;  in hfcpci_empty_bfifo()  local
439 			maxlen = count;		/* complete transfer */  in hfcpci_empty_bfifo()
441 			maxlen = B_FIFO_SIZE + B_SUB_VAL -  in hfcpci_empty_bfifo()
446 		memcpy(ptr, ptr1, maxlen);	/* copy data */  in hfcpci_empty_bfifo()
447 		count -= maxlen;  in hfcpci_empty_bfifo()
450 			ptr += maxlen;  in hfcpci_empty_bfifo()
467 	int		maxlen;  in receive_dmsg()  local
517 				maxlen = rcnt;	/* complete transfer */  in receive_dmsg()
519 				maxlen = D_FIFO_SIZE - le16_to_cpu(zp->z2);  in receive_dmsg()
524 			memcpy(ptr, ptr1, maxlen);	/* copy data */  in receive_dmsg()
525 			rcnt -= maxlen;  in receive_dmsg()
528 				ptr += maxlen;  in receive_dmsg()
550 	int	new_z2, fcnt_rx, fcnt_tx, maxlen;  in hfcpci_empty_fifo_trans()  local
580 	maxlen = bchannel_get_rxbuf(bch, fcnt_rx);  in hfcpci_empty_fifo_trans()
581 	if (maxlen < 0) {  in hfcpci_empty_fifo_trans()
587 			maxlen = fcnt_rx;	/* complete transfer */  in hfcpci_empty_fifo_trans()
589 			maxlen = B_FIFO_SIZE + B_SUB_VAL - le16_to_cpu(*z2r);  in hfcpci_empty_fifo_trans()
594 		memcpy(ptr, ptr1, maxlen);	/* copy data */  in hfcpci_empty_fifo_trans()
595 		fcnt_rx -= maxlen;  in hfcpci_empty_fifo_trans()
598 			ptr += maxlen;  in hfcpci_empty_fifo_trans()
679 	int		count, new_z1, maxlen;  in hfcpci_fill_dfifo()  local
710 	maxlen = le16_to_cpu(df->za[df->f2 & D_FREG_MASK].z2) -  in hfcpci_fill_dfifo()
712 	if (maxlen <= 0)  in hfcpci_fill_dfifo()
713 		maxlen += D_FIFO_SIZE;	/* count now contains available bytes */  in hfcpci_fill_dfifo()
717 		       count, maxlen);  in hfcpci_fill_dfifo()
718 	if (count > maxlen) {  in hfcpci_fill_dfifo()
728 	maxlen = D_FIFO_SIZE - le16_to_cpu(df->za[df->f1 & D_FREG_MASK].z1);  in hfcpci_fill_dfifo()
730 	if (maxlen > count)  in hfcpci_fill_dfifo()
731 		maxlen = count;	/* limit size */  in hfcpci_fill_dfifo()
732 	memcpy(dst, src, maxlen);	/* first copy */  in hfcpci_fill_dfifo()
734 	count -= maxlen;	/* remaining bytes */  in hfcpci_fill_dfifo()
737 		src += maxlen;	/* new position */  in hfcpci_fill_dfifo()
755 	int		maxlen, fcnt;  in hfcpci_fill_fifo()  local
799 			maxlen = (B_FIFO_SIZE + B_SUB_VAL) - le16_to_cpu(*z1t);  in hfcpci_fill_fifo()
804 				       fcnt, maxlen, new_z1, dst);  in hfcpci_fill_fifo()
805 			if (maxlen > count)  in hfcpci_fill_fifo()
806 				maxlen = count;		/* limit size */  in hfcpci_fill_fifo()
807 			memset(dst, bch->fill[0], maxlen); /* first copy */  in hfcpci_fill_fifo()
808 			count -= maxlen;		/* remaining bytes */  in hfcpci_fill_fifo()
835 		maxlen = (B_FIFO_SIZE + B_SUB_VAL) - le16_to_cpu(*z1t);  in hfcpci_fill_fifo()
840 			       fcnt, maxlen, new_z1, dst);  in hfcpci_fill_fifo()
843 		if (maxlen > count)  in hfcpci_fill_fifo()
844 			maxlen = count;		/* limit size */  in hfcpci_fill_fifo()
845 		memcpy(dst, src, maxlen);	/* first copy */  in hfcpci_fill_fifo()
846 		count -= maxlen;	/* remaining bytes */  in hfcpci_fill_fifo()
849 			src += maxlen;	/* new position */  in hfcpci_fill_fifo()
875 	maxlen = le16_to_cpu(bz->za[bz->f2].z2) -  in hfcpci_fill_fifo()
877 	if (maxlen <= 0)  in hfcpci_fill_fifo()
878 		maxlen += B_FIFO_SIZE;	/* count now contains available bytes */  in hfcpci_fill_fifo()
882 		       bch->nr, count, maxlen);  in hfcpci_fill_fifo()
884 	if (maxlen < count) {  in hfcpci_fill_fifo()
897 	maxlen = (B_FIFO_SIZE + B_SUB_VAL) - le16_to_cpu(bz->za[bz->f1].z1);  in hfcpci_fill_fifo()
899 	if (maxlen > count)  in hfcpci_fill_fifo()
900 		maxlen = count;	/* limit size */  in hfcpci_fill_fifo()
901 	memcpy(dst, src, maxlen);	/* first copy */  in hfcpci_fill_fifo()
903 	count -= maxlen;	/* remaining bytes */  in hfcpci_fill_fifo()
906 		src += maxlen;	/* new position */  in hfcpci_fill_fifo()