/* Table of multi-port card ID's */
 
-struct multi_id {
+struct serial_quirk {
        u_short manfid;
        u_short prodid;
        int multi;              /* 1 = multifunction, > 1 = # ports */
 };
 
-static const struct multi_id multi_id[] = {
-       { MANFID_OMEGA,   PRODID_OMEGA_QSP_100,         4 },
-       { MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232,    2 },
-       { MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232_D1, 2 },
-       { MANFID_QUATECH, PRODID_QUATECH_QUAD_RS232,    4 },
-       { MANFID_SOCKET,  PRODID_SOCKET_DUAL_RS232,     2 },
-       { MANFID_INTEL,   PRODID_INTEL_DUAL_RS232,      2 },
-       { MANFID_NATINST, PRODID_NATINST_QUAD_RS232,    4 }
+static const struct serial_quirk quirks[] = {
+       {
+               .manfid = MANFID_OMEGA,
+               .prodid = PRODID_OMEGA_QSP_100,
+               .multi  = 4,
+       }, {
+               .manfid = MANFID_QUATECH,
+               .prodid = PRODID_QUATECH_DUAL_RS232,
+               .multi  = 2,
+       }, {
+               .manfid = MANFID_QUATECH,
+               .prodid = PRODID_QUATECH_DUAL_RS232_D1,
+               .multi  = 2,
+       }, {
+               .manfid = MANFID_QUATECH,
+               .prodid = PRODID_QUATECH_QUAD_RS232,
+               .multi  = 4,
+       }, {
+               .manfid = MANFID_SOCKET,
+               .prodid = PRODID_SOCKET_DUAL_RS232,
+               .multi  = 2,
+       }, {
+               .manfid = MANFID_INTEL,
+               .prodid = PRODID_INTEL_DUAL_RS232,
+               .multi  = 2,
+       }, {
+               .manfid = MANFID_NATINST,
+               .prodid = PRODID_NATINST_QUAD_RS232,
+               .multi  = 4,
+       }
 };
 
 struct serial_info {
        int                     c950ctrl;
        dev_node_t              node[4];
        int                     line[4];
+       const struct serial_quirk *quirk;
 };
 
 struct serial_cfg_mem {
        if (first_tuple(link, tuple, parse) == CS_SUCCESS) {
                info->manfid = parse->manfid.manf;
                info->prodid = parse->manfid.card;
-               for (i = 0; i < ARRAY_SIZE(multi_id); i++)
-                       if ((info->manfid == multi_id[i].manfid) &&
-                           (info->prodid == multi_id[i].prodid)) {
-                               info->multi = multi_id[i].multi;
+               for (i = 0; i < ARRAY_SIZE(quirks); i++)
+                       if ((info->manfid == quirks[i].manfid) &&
+                           (info->prodid == quirks[i].prodid)) {
+                               info->quirk = &quirks[i];
                                break;
                        }
        }
                }
        }
 
+       /*
+        * Apply any multi-port quirk.
+        */
+       if (info->quirk && info->quirk->multi != -1)
+               info->multi = info->quirk->multi;
+
        if (info->multi > 1)
                multi_config(link);
        else