*/
 bool CARDbSetPhyParameter(struct vnt_private *priv, u8 bb_type)
 {
-       unsigned char byCWMaxMin = 0;
+       unsigned char cw_max_min = 0;
        unsigned char bySlot = 0;
        unsigned char bySIFS = 0;
        unsigned char byDIFS = 0;
                bySlot = C_SLOT_SHORT;
                bySIFS = C_SIFS_A;
                byDIFS = C_SIFS_A + 2 * C_SLOT_SHORT;
-               byCWMaxMin = 0xA4;
+               cw_max_min = 0xA4;
        } else if (bb_type == BB_TYPE_11B) {
                vt6655_mac_set_bb_type(priv->port_offset, BB_TYPE_11B);
                bb_write_embedded(priv, 0x88, 0x02);
                bySlot = C_SLOT_LONG;
                bySIFS = C_SIFS_BG;
                byDIFS = C_SIFS_BG + 2 * C_SLOT_LONG;
-               byCWMaxMin = 0xA5;
+               cw_max_min = 0xA5;
        } else { /* PK_TYPE_11GA & PK_TYPE_11GB */
                vt6655_mac_set_bb_type(priv->port_offset, BB_TYPE_11G);
                bb_write_embedded(priv, 0x88, 0x08);
                        byDIFS = C_SIFS_BG + 2 * C_SLOT_LONG;
                }
 
-               byCWMaxMin = 0xa4;
+               cw_max_min = 0xa4;
 
                for (i = RATE_54M; i >= RATE_6M; i--) {
                        if (priv->basic_rates & ((u32)(0x1 << i))) {
-                               byCWMaxMin |= 0x1;
+                               cw_max_min |= 0x1;
                                break;
                        }
                }
 
                bb_set_short_slot_time(priv);
        }
-       if (priv->byCWMaxMin != byCWMaxMin) {
-               priv->byCWMaxMin = byCWMaxMin;
-               iowrite8(priv->byCWMaxMin, priv->port_offset + MAC_REG_CWMAXMIN0);
+       if (priv->cw_max_min != cw_max_min) {
+               priv->cw_max_min = cw_max_min;
+               iowrite8(priv->cw_max_min, priv->port_offset + MAC_REG_CWMAXMIN0);
        }
 
        priv->byPacketType = CARDbyGetPktType(priv);