wlc_phy_set_rfseq_nphy(pi, NPHY_RFSEQ_RX2TX,
                                               rfseq_rx2tx_events_rev3_ipa,
                                               rfseq_rx2tx_dlys_rev3_ipa,
-                                              sizeof
-                                              (rfseq_rx2tx_events_rev3_ipa) /
-                                              sizeof
-                                              (rfseq_rx2tx_events_rev3_ipa
-                                               [0]));
+                                              ARRAY_SIZE(rfseq_rx2tx_events_rev3_ipa));
 
                mod_phy_reg(pi, 0x299, (0x3 << 14), (0x1 << 14));
                mod_phy_reg(pi, 0x29d, (0x3 << 14), (0x1 << 14));
                wlc_phy_set_rfseq_nphy(pi, NPHY_RFSEQ_TX2RX,
                                       rfseq_tx2rx_events_rev3,
                                       rfseq_tx2rx_dlys_rev3,
-                                      sizeof(rfseq_tx2rx_events_rev3) /
-                                      sizeof(rfseq_tx2rx_events_rev3[0]));
+                                      ARRAY_SIZE(rfseq_tx2rx_events_rev3));
 
                if (PHY_IPA(pi))
                        wlc_phy_set_rfseq_nphy(pi, NPHY_RFSEQ_RX2TX,
                                               rfseq_rx2tx_events_rev3_ipa,
                                               rfseq_rx2tx_dlys_rev3_ipa,
-                                              sizeof
-                                              (rfseq_rx2tx_events_rev3_ipa) /
-                                              sizeof
-                                              (rfseq_rx2tx_events_rev3_ipa
-                                               [0]));
+                                              ARRAY_SIZE(rfseq_rx2tx_events_rev3_ipa));
 
                if ((pi->sh->hw_phyrxchain != 0x3) &&
                    (pi->sh->hw_phyrxchain != pi->sh->hw_phytxchain)) {
                                pi, NPHY_RFSEQ_RX2TX,
                                rfseq_rx2tx_events_rev3,
                                rfseq_rx2tx_dlys_rev3,
-                               sizeof(rfseq_rx2tx_events_rev3) /
-                               sizeof(rfseq_rx2tx_events_rev3[0]));
+                               ARRAY_SIZE(rfseq_rx2tx_events_rev3));
                }
 
                if (CHSPEC_IS2G(pi->radio_chanspec))
 
                wlc_phy_set_rfseq_nphy(pi, NPHY_RFSEQ_RX2TX, rfseq_rx2tx_events,
                                       rfseq_rx2tx_dlys,
-                                      sizeof(rfseq_rx2tx_events) /
-                                      sizeof(rfseq_rx2tx_events[0]));
+                                      ARRAY_SIZE(rfseq_rx2tx_events));
 
                wlc_phy_set_rfseq_nphy(pi, NPHY_RFSEQ_TX2RX, rfseq_tx2rx_events,
                                       rfseq_tx2rx_dlys,
-                                      sizeof(rfseq_tx2rx_events) /
-                                      sizeof(rfseq_tx2rx_events[0]));
+                                      ARRAY_SIZE(rfseq_tx2rx_events));
 
                wlc_phy_workarounds_nphy_gainctrl(pi);
 
                        }
 
                        if (isAdjustNoiseVar) {
-                               numTonesAdjust = sizeof(nphy_adj_tone_id_buf) /
-                                               sizeof(nphy_adj_tone_id_buf[0]);
+                               numTonesAdjust = ARRAY_SIZE(nphy_adj_tone_id_buf);
 
                                wlc_phy_adjust_min_noisevar_nphy(
                                        pi,
 
                                phy_a15 = pad_gain_codes_used_2057rev5;
                                phy_a13 =
-                                       sizeof(pad_gain_codes_used_2057rev5) /
-                                       sizeof(pad_gain_codes_used_2057rev5
-                                               [0]) - 1;
+                                       ARRAY_SIZE(pad_gain_codes_used_2057rev5) - 1;
 
                        } else if ((pi->pubpi.radiorev == 7)
                                   || (pi->pubpi.radiorev == 8)) {
 
                                phy_a15 = pad_gain_codes_used_2057rev7;
                                phy_a13 =
-                                       sizeof(pad_gain_codes_used_2057rev7) /
-                                       sizeof(pad_gain_codes_used_2057rev7
-                                               [0]) - 1;
+                                       ARRAY_SIZE(pad_gain_codes_used_2057rev7) - 1;
 
                        } else {
 
                                phy_a15 = pad_all_gain_codes_2057;
-                               phy_a13 = sizeof(pad_all_gain_codes_2057) /
-                                         sizeof(pad_all_gain_codes_2057[0]) -
+                               phy_a13 = ARRAY_SIZE(pad_all_gain_codes_2057) -
                                          1;
                        }
 
                } else {
 
                        phy_a15 = pga_all_gain_codes_2057;
-                       phy_a13 = sizeof(pga_all_gain_codes_2057) /
-                                 sizeof(pga_all_gain_codes_2057[0]) - 1;
+                       phy_a13 = ARRAY_SIZE(pga_all_gain_codes_2057) - 1;
                }
 
                phy_a14 = 0;