diff --git a/core/mac/src/pe/lim/lim_send_messages.c b/core/mac/src/pe/lim/lim_send_messages.c
index 9bf69559e3f2..9cb0ff04480d 100644
--- a/core/mac/src/pe/lim/lim_send_messages.c
+++ b/core/mac/src/pe/lim/lim_send_messages.c
@@ -131,9 +131,11 @@ QDF_STATUS lim_send_switch_chnl_params(struct mac_context *mac,
 	pChnlParams = qdf_mem_malloc(sizeof(tSwitchChannelParams));
 	if (!pChnlParams)
 		return QDF_STATUS_E_NOMEM;
-	pChnlParams->channelNumber = chnlNumber;
-	pChnlParams->ch_center_freq_seg0 = ch_center_freq_seg0;
-	pChnlParams->ch_center_freq_seg1 = ch_center_freq_seg1;
+	pChnlParams->ch_freq = wlan_reg_chan_to_freq(mac->pdev, chnlNumber);
+	pChnlParams->ch_center_freq_seg0 =
+		wlan_reg_chan_to_freq(mac->pdev, ch_center_freq_seg0);
+	pChnlParams->ch_center_freq_seg1 =
+		wlan_reg_chan_to_freq(mac->pdev, ch_center_freq_seg1);
 	pChnlParams->ch_width = ch_width;
 	qdf_mem_copy(pChnlParams->selfStaMacAddr, pe_session->self_mac_addr,
 		     sizeof(tSirMacAddr));
@@ -189,9 +191,9 @@ QDF_STATUS lim_send_switch_chnl_params(struct mac_context *mac,
 	msgQ.reserved = 0;
 	msgQ.bodyptr = pChnlParams;
 	msgQ.bodyval = 0;
-	pe_debug("Sending CH_SWITCH_REQ, ch_width %d, ch_num %d, maxTxPower %d",
+	pe_debug("Sending CH_SWITCH_REQ, ch_width %d, ch_freq %d, maxTxPower %d",
 		       pChnlParams->ch_width,
-		       pChnlParams->channelNumber, pChnlParams->maxTxPower);
+		       pChnlParams->ch_freq, pChnlParams->maxTxPower);
 	MTRACE(mac_trace_msg_tx(mac, peSessionId, msgQ.type));
 	if (QDF_STATUS_SUCCESS != wma_post_ctrl_msg(mac, &msgQ)) {
 		qdf_mem_free(pChnlParams);
diff --git a/core/mac/src/pe/lim/lim_send_sme_rsp_messages.c b/core/mac/src/pe/lim/lim_send_sme_rsp_messages.c
index bd1c082733c5..1f8cf06853ec 100644
--- a/core/mac/src/pe/lim/lim_send_sme_rsp_messages.c
+++ b/core/mac/src/pe/lim/lim_send_sme_rsp_messages.c
@@ -1944,12 +1944,12 @@ lim_send_sme_ap_channel_switch_resp(struct mac_context *mac,
 	if (!pSmeSwithChnlParams)
 		return;
 
-
 	channelId = wlan_reg_freq_to_chan(mac->pdev, pe_session->curr_op_freq);
-	pSmeSwithChnlParams->channelNumber = channelId;
+	pSmeSwithChnlParams->ch_freq = pe_session->curr_op_freq;
 	pSmeSwithChnlParams->status = rsp->status;
-	ch_width = pSmeSwithChnlParams->ch_width;
-	ch_center_freq_seg1 = pSmeSwithChnlParams->ch_center_freq_seg1;
+
+	ch_width = pe_session->ch_width;
+	ch_center_freq_seg1 = pe_session->ch_center_freq_seg1;
 
 	/*
 	 * Pass the sme sessionID to SME instead
diff --git a/core/sme/src/common/sme_api.c b/core/sme/src/common/sme_api.c
index 2cf860897d44..1d67b03d8034 100644
--- a/core/sme/src/common/sme_api.c
+++ b/core/sme/src/common/sme_api.c
@@ -9108,7 +9108,7 @@ static QDF_STATUS sme_process_channel_change_resp(struct mac_context *mac,
 	if (msg_type == eWNI_SME_CHANNEL_CHANGE_RSP) {
 		roam_info->channelChangeRespEvent->sessionId = SessionId;
 		roam_info->channelChangeRespEvent->newChannelNumber =
-			pChnlParams->channelNumber;
+			wlan_reg_freq_to_chan(mac->pdev, pChnlParams->ch_freq);
 
 		if (pChnlParams->status == QDF_STATUS_SUCCESS) {
 			QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_DEBUG,
@@ -14240,7 +14240,7 @@ QDF_STATUS sme_fast_reassoc(mac_handle_t mac_handle,
 		return QDF_STATUS_E_FAULT;
 	}
 
-	fastreassoc->channel = channel;
+	fastreassoc->ch_freq = wlan_reg_chan_to_freq(mac_ctx->pdev, channel);
 	if (QDF_STATUS_SUCCESS != status) {
 		sme_warn("sme_get_beacon_frm failed");
 		qdf_mem_free(fastreassoc->frame_buf);
diff --git a/core/wma/inc/wma.h b/core/wma/inc/wma.h
index 223aecae0362..b444c01c52b6 100644
--- a/core/wma/inc/wma.h
+++ b/core/wma/inc/wma.h
@@ -727,7 +727,7 @@ struct roam_synch_frame_ind {
  * @in_bmps: Whether bmps for this interface has been enabled
  * @vdev_set_key_wakelock: wakelock to protect vdev set key op with firmware
  * @vdev_set_key_runtime_wakelock: runtime pm wakelock for set key
- * @channel: channel
+ * @ch_freq: channel frequency
  * @roam_offload_enabled: is roam offload enable/disable
  * @roam_scan_stats_req: cached roam scan stats request
  *
@@ -793,7 +793,7 @@ struct wma_txrx_node {
 	struct roam_synch_frame_ind roam_synch_frame_ind;
 	bool is_waiting_for_key;
 	bool roam_offload_enabled;
-	uint8_t channel;
+	uint32_t ch_freq;
 	struct sir_roam_scan_stats *roam_scan_stats_req;
 };
 
@@ -842,13 +842,13 @@ struct wma_ini_config {
 };
 
 /**
- * struct wmi_valid_channels - Channel details part of WMI_SCAN_CHAN_LIST_CMDID
+ * struct wma_valid_channels - Channel details part of WMI_SCAN_CHAN_LIST_CMDID
  * @num_channels: Number of channels
- * @channel_list: Channel list
+ * @ch_freq_list: Channel Frequency list
  */
 struct wma_valid_channels {
 	uint8_t num_channels;
-	uint8_t channel_list[MAX_NUM_CHAN];
+	uint32_t ch_freq_list[MAX_NUM_CHAN];
 };
 
 #ifdef FEATURE_WLM_STATS
@@ -1556,7 +1556,7 @@ enum uapsd_up {
  * struct wma_roam_invoke_cmd - roam invoke command
  * @vdev_id: vdev id
  * @bssid: mac address
- * @channel: channel
+ * @ch_freq: channel frequency
  * @frame_len: frame length, includs mac header, fixed params and ies
  * @frame_buf: buffer contaning probe response or beacon
  * @is_same_bssid: flag to indicate if roaming is requested for same bssid
@@ -1565,7 +1565,7 @@ enum uapsd_up {
 struct wma_roam_invoke_cmd {
 	uint32_t vdev_id;
 	uint8_t bssid[QDF_MAC_ADDR_SIZE];
-	uint32_t channel;
+	uint32_t ch_freq;
 	uint32_t frame_len;
 	uint8_t *frame_buf;
 	uint8_t is_same_bssid;
diff --git a/core/wma/inc/wma_if.h b/core/wma/inc/wma_if.h
index 4ee19efb189d..c9a2a974527d 100644
--- a/core/wma/inc/wma_if.h
+++ b/core/wma/inc/wma_if.h
@@ -725,7 +725,7 @@ typedef struct {
 
 /**
  * struct tSwitchChannelParams - switch channel request parameter
- * @channelNumber: channel number
+ * @ch_freq: channel frequency ID
  * @localPowerConstraint: local power constraint
  * @secondaryChannelOffset: scondary channel offset
  * @peSessionId: PE session id
@@ -738,6 +738,8 @@ typedef struct {
  * @smpsMode: SMPS mode
  * @isDfsChannel: is DFS channel
  * @vhtCapable: VHT capable
+ * @ch_center_freq_seg0: ch freq segment for primary channel(center frequency)
+ * @ch_center_freq_seg1: ch freq segment for secondary channel(center frequency)
  * @dot11_mode: 802.11 mode
  * @cac_duration_ms: cac duration in milliseconds
  * @dfs_regdomain: dfs region
@@ -746,7 +748,7 @@ typedef struct {
  * @ssid: sap ssid
  */
 typedef struct {
-	uint8_t channelNumber;
+	uint32_t ch_freq;
 	uint8_t peSessionId;
 	int8_t maxTxPower;
 	tSirMacAddr selfStaMacAddr;
@@ -754,8 +756,8 @@ typedef struct {
 	uint8_t isDfsChannel;
 	uint8_t vhtCapable;
 	enum phy_ch_width ch_width;
-	uint8_t ch_center_freq_seg0;
-	uint8_t ch_center_freq_seg1;
+	uint32_t ch_center_freq_seg0;
+	uint32_t ch_center_freq_seg1;
 	uint8_t dot11_mode;
 
 	uint8_t restart_on_chan_switch;
diff --git a/core/wma/src/wma_data.c b/core/wma/src/wma_data.c
index 21d73d95d17c..7524207ca5ba 100644
--- a/core/wma/src/wma_data.c
+++ b/core/wma/src/wma_data.c
@@ -2746,7 +2746,7 @@ QDF_STATUS wma_tx_packet(void *wma_context, void *tx_frame, uint16_t frmLen,
 		}
 	}
 
-	if (wma_handle->interfaces[vdev_id].channel >= SIR_11A_CHANNEL_BEGIN)
+	if (wlan_reg_is_5ghz_ch_freq(wma_handle->interfaces[vdev_id].ch_freq))
 		is_5g = true;
 
 	mgmt_param.tx_frame = tx_frame;
diff --git a/core/wma/src/wma_dev_if.c b/core/wma/src/wma_dev_if.c
index 82ba645fd7da..72803e28bf2a 100644
--- a/core/wma/src/wma_dev_if.c
+++ b/core/wma/src/wma_dev_if.c
@@ -2815,8 +2815,8 @@ QDF_STATUS wma_vdev_start(tp_wma_handle wma,
 		CFG_TGT_DEFAULT_GTX_BW_MASK;
 	intr[vdev_id].mhz = des_chan->ch_freq;
 	intr[vdev_id].chan_width = ch_width;
-	intr[vdev_id].channel = wlan_reg_freq_to_chan(wma->pdev,
-						      req->op_chan_freq);
+	intr[vdev_id].ch_freq = des_chan->ch_freq;
+
 	/* Set half or quarter rate flags */
 	mlme_obj->mgmt.rate_info.half_rate = req->is_half_rate;
 	mlme_obj->mgmt.rate_info.quarter_rate = req->is_quarter_rate;
diff --git a/core/wma/src/wma_main.c b/core/wma/src/wma_main.c
index ed0ca8b4ef36..36190b011175 100644
--- a/core/wma/src/wma_main.c
+++ b/core/wma/src/wma_main.c
@@ -9203,7 +9203,8 @@ QDF_STATUS wma_send_pdev_set_pcl_cmd(tp_wma_handle wma_handle,
 
 	for (i = 0; i < wma_handle->saved_chan.num_channels; i++) {
 		msg->chan_weights.saved_chan_list[i] =
-			wma_handle->saved_chan.channel_list[i];
+		  wlan_reg_freq_to_chan(wma_handle->pdev,
+					wma_handle->saved_chan.ch_freq_list[i]);
 	}
 
 	msg->chan_weights.saved_num_chan = wma_handle->saved_chan.num_channels;
diff --git a/core/wma/src/wma_scan_roam.c b/core/wma/src/wma_scan_roam.c
index 8e58748c661d..2ed4844220c0 100644
--- a/core/wma/src/wma_scan_roam.c
+++ b/core/wma/src/wma_scan_roam.c
@@ -154,7 +154,8 @@ QDF_STATUS wma_update_channel_list(WMA_HANDLE handle,
 		chan_p->cfreq2 = 0;
 		channel = wlan_reg_freq_to_chan(wma_handle->pdev,
 						chan_list->chanParam[i].freq);
-		wma_handle->saved_chan.channel_list[i] = channel;
+		wma_handle->saved_chan.ch_freq_list[i] =
+					chan_list->chanParam[i].freq;
 
 		WMA_LOGD("chan[%d] = freq:%u DFS:%d tx power:%d",
 			 i, chan_p->mhz,
@@ -2159,7 +2160,7 @@ void wma_process_roam_invoke(WMA_HANDLE handle,
 			 roaminvoke->vdev_id);
 		goto free_frame_buf;
 	}
-	ch_hz = (A_UINT32)cds_chan_to_freq(roaminvoke->channel);
+	ch_hz = roaminvoke->ch_freq;
 	wmi_unified_roam_invoke_cmd(wma_handle->wmi_handle,
 				(struct wmi_roam_invoke_cmd *)roaminvoke,
 				ch_hz);
@@ -3535,8 +3536,7 @@ void wma_set_channel(tp_wma_handle wma, tpSwitchChannelParams params)
 
 	qdf_mem_zero(&req, sizeof(req));
 	req.vdev_id = vdev_id;
-	req.op_chan_freq = wlan_reg_chan_to_freq(wma->pdev,
-						 params->channelNumber);
+	req.op_chan_freq = params->ch_freq;
 	req.chan_width = params->ch_width;
 
 	if (params->ch_width == CH_WIDTH_10MHZ)
@@ -3545,10 +3545,8 @@ void wma_set_channel(tp_wma_handle wma, tpSwitchChannelParams params)
 		req.is_quarter_rate = 1;
 
 	req.vht_capable = params->vhtCapable;
-	req.chan_freq_seg0 = wlan_reg_chan_to_freq(wma->pdev,
-						   params->ch_center_freq_seg0);
-	req.chan_freq_seg1 = wlan_reg_chan_to_freq(wma->pdev,
-						   params->ch_center_freq_seg1);
+	req.chan_freq_seg0 = params->ch_center_freq_seg0;
+	req.chan_freq_seg1 = params->ch_center_freq_seg1;
 	req.dot11_mode = params->dot11_mode;
 	wma_update_vdev_he_capable(&req, params);
 
@@ -3631,8 +3629,8 @@ void wma_set_channel(tp_wma_handle wma, tpSwitchChannelParams params)
 
 	return;
 send_resp:
-	WMA_LOGD("%s: channel %d ch_width %d txpower %d status %d", __func__,
-		 params->channelNumber, params->ch_width,
+	WMA_LOGD("%s: ch_freq %d ch_width %d txpower %d status %d", __func__,
+		 params->ch_freq, params->ch_width,
 		 params->maxTxPower,
 		 status);
 	WMA_LOGI("%s: wma switch channel rsp,, status = 0x%x",