diff --git a/core/hdd/src/wlan_hdd_hostapd.c b/core/hdd/src/wlan_hdd_hostapd.c
index f208c334c972..5fe3d1f1ca4c 100644
--- a/core/hdd/src/wlan_hdd_hostapd.c
+++ b/core/hdd/src/wlan_hdd_hostapd.c
@@ -4932,9 +4932,8 @@ int wlan_hdd_disable_channels(struct hdd_context *hdd_ctx)
 	}
 
 	for (i = 0; i < cache_chann->num_channels; i++) {
-		freq = wlan_reg_chan_to_freq(hdd_ctx->pdev,
-					     cache_chann->
-						channel_info[i].channel_num);
+		freq = wlan_reg_legacy_chan_to_freq(hdd_ctx->pdev,
+						    cache_chann->channel_info[i].channel_num);
 		if (!freq)
 			continue;
 		wiphy_channel = wlan_hdd_get_wiphy_channel(wiphy, freq);
diff --git a/core/hdd/src/wlan_hdd_ioctl.c b/core/hdd/src/wlan_hdd_ioctl.c
index e0594e6627df..4cd1ed3aa8ba 100644
--- a/core/hdd/src/wlan_hdd_ioctl.c
+++ b/core/hdd/src/wlan_hdd_ioctl.c
@@ -1199,7 +1199,7 @@ hdd_parse_channellist(struct hdd_context *hdd_ctx,
 			return -EINVAL;
 		}
 		channel_freq_list[j] =
-			wlan_reg_chan_to_freq(hdd_ctx->pdev, temp_int);
+			wlan_reg_legacy_chan_to_freq(hdd_ctx->pdev, temp_int);
 
 		hdd_debug("Channel %d added to preferred channel list",
 			  channel_freq_list[j]);
diff --git a/core/mac/src/pe/lim/lim_api.c b/core/mac/src/pe/lim/lim_api.c
index 66e3bf258702..18f491eb3be9 100644
--- a/core/mac/src/pe/lim/lim_api.c
+++ b/core/mac/src/pe/lim/lim_api.c
@@ -2141,9 +2141,8 @@ lim_roam_fill_bss_descr(struct mac_context *mac,
 		bss_desc_ptr->chan_freq = parsed_frm_ptr->chan_freq;
 	} else if (parsed_frm_ptr->HTInfo.present) {
 		bss_desc_ptr->chan_freq =
-			wlan_reg_chan_to_freq(mac->pdev,
-					      parsed_frm_ptr->HTInfo.
-					      primaryChannel);
+			wlan_reg_legacy_chan_to_freq(mac->pdev,
+						     parsed_frm_ptr->HTInfo.primaryChannel);
 	} else {
 		/*
 		 * If DS Params or HTIE is not present in the probe resp or
diff --git a/core/wma/inc/wma_api.h b/core/wma/inc/wma_api.h
index 35006c9f369b..1bca010ebfc6 100644
--- a/core/wma/inc/wma_api.h
+++ b/core/wma/inc/wma_api.h
@@ -152,13 +152,13 @@ void wma_get_fw_phy_mode_for_freq_cb(uint32_t freq, uint32_t chan_width,
 				     uint32_t  *phy_mode);
 /**
  * wma_get_phy_mode_cb() - Callback to get current PHY Mode.
- * @chan: channel number
+ * @freq: channel frequency
  * @chan_width: maximum channel width possible
  * @phy_mode: PHY Mode
  *
  * Return: None
  */
-void wma_get_phy_mode_cb(uint8_t chan, uint32_t chan_width,
+void wma_get_phy_mode_cb(qdf_freq_t freq, uint32_t chan_width,
 			 enum wlan_phymode  *phy_mode);
 
 QDF_STATUS wma_set_htconfig(uint8_t vdev_id, uint16_t ht_capab, int value);
diff --git a/core/wma/src/wma_main.c b/core/wma/src/wma_main.c
index 4004befc14fd..e305f627d2dc 100644
--- a/core/wma/src/wma_main.c
+++ b/core/wma/src/wma_main.c
@@ -2751,12 +2751,11 @@ void wma_get_fw_phy_mode_for_freq_cb(uint32_t freq, uint32_t chan_width,
 	*phy_mode = wma_host_to_fw_phymode(host_phy_mode);
 }
 
-void wma_get_phy_mode_cb(uint8_t chan, uint32_t chan_width,
+void wma_get_phy_mode_cb(qdf_freq_t freq, uint32_t chan_width,
 			 enum wlan_phymode *phy_mode)
 {
 	uint32_t dot11_mode;
 	struct mac_context *mac = cds_get_context(QDF_MODULE_ID_PE);
-	uint32_t freq;
 
 	if (!mac) {
 		wma_err("MAC context is NULL");
@@ -2764,7 +2763,6 @@ void wma_get_phy_mode_cb(uint8_t chan, uint32_t chan_width,
 		return;
 	}
 
-	freq = wlan_reg_chan_to_freq(mac->pdev, chan);
 	dot11_mode = mac->mlme_cfg->dot11_mode.dot11_mode;
 	*phy_mode = wma_chan_phy_mode(freq, chan_width, dot11_mode);
 }
diff --git a/core/wma/src/wma_scan_roam.c b/core/wma/src/wma_scan_roam.c
index f7d839f5cd2f..cb115d0fa691 100644
--- a/core/wma/src/wma_scan_roam.c
+++ b/core/wma/src/wma_scan_roam.c
@@ -2903,7 +2903,8 @@ static void wma_update_phymode_on_roam(tp_wma_handle wma, uint8_t *bssid,
 		bss_phymode =
 			wma_fw_to_host_phymode(WMI_GET_CHANNEL_MODE(chan));
 	else
-		wma_get_phy_mode_cb(channel, iface->chan_width, &bss_phymode);
+		wma_get_phy_mode_cb(iface->ch_freq,
+				    iface->chan_width, &bss_phymode);
 
 	vdev_mlme = wlan_vdev_mlme_get_cmpt_obj(iface->vdev);
 	/* Update vdev mlme channel info after roaming */