diff --git a/core/hdd/src/wlan_hdd_oemdata.c b/core/hdd/src/wlan_hdd_oemdata.c
index 1024a0be28d0..aea8a762cab6 100644
--- a/core/hdd/src/wlan_hdd_oemdata.c
+++ b/core/hdd/src/wlan_hdd_oemdata.c
@@ -402,6 +402,7 @@ void hdd_update_channel_bw_info(struct hdd_context *hdd_ctx,
 	WLAN_PHY_MODE phy_mode;
 	uint32_t wni_dot11_mode;
 	struct hdd_channel_info *hdd_chan_info = chan_info;
+	uint32_t freq;
 
 	wni_dot11_mode = sme_get_wni_dot11_mode(hdd_ctx->mac_handle);
 
@@ -413,9 +414,11 @@ void hdd_update_channel_bw_info(struct hdd_context *hdd_ctx,
 		hdd_chan_info->band_center_freq1 =
 			cds_chan_to_freq(ch_params.center_freq_seg0);
 
-	if (ch_params.ch_width < CH_WIDTH_INVALID)
-		phy_mode = wma_chan_phy_mode(chan, ch_params.ch_width,
+	if (ch_params.ch_width < CH_WIDTH_INVALID) {
+		freq = wlan_reg_chan_to_freq(hdd_ctx->pdev, chan);
+		phy_mode = wma_chan_phy_mode(freq, ch_params.ch_width,
 					     wni_dot11_mode);
+	}
 	else
 		/*
 		 * If channel width is CH_WIDTH_INVALID, It mean channel is
diff --git a/core/wma/inc/wma.h b/core/wma/inc/wma.h
index 2db467005d4b..47a6c56ace38 100644
--- a/core/wma/inc/wma.h
+++ b/core/wma/inc/wma.h
@@ -1251,7 +1251,7 @@ struct wma_target_req {
  * @chan_offset: channel offset
  * @is_dfs: is dfs supported or not
  * @vdev_id: vdev id
- * @chan: channel
+ * @op_freq: operating frequency
  * @oper_mode: operating mode
  * @ssid: ssid
  * @hidden_ssid: hidden ssid
@@ -1278,7 +1278,7 @@ struct wma_vdev_start_req {
 	enum phy_ch_width chan_width;
 	bool is_dfs;
 	uint8_t vdev_id;
-	uint8_t chan;
+	uint32_t op_freq;
 	uint8_t oper_mode;
 	tSirMacSSid ssid;
 	uint8_t hidden_ssid;
@@ -1865,7 +1865,7 @@ QDF_STATUS wma_get_cca_stats(tp_wma_handle wma_handle,
 				uint8_t vdev_id);
 
 struct wma_ini_config *wma_get_ini_handle(tp_wma_handle wma_handle);
-WLAN_PHY_MODE wma_chan_phy_mode(uint8_t chan, enum phy_ch_width chan_width,
+WLAN_PHY_MODE wma_chan_phy_mode(uint32_t freq, enum phy_ch_width chan_width,
 				uint8_t dot11_mode);
 
 #ifdef FEATURE_OEM_DATA_SUPPORT
diff --git a/core/wma/src/wma_dev_if.c b/core/wma/src/wma_dev_if.c
index 6aab9d688751..71b91fcedb27 100644
--- a/core/wma/src/wma_dev_if.c
+++ b/core/wma/src/wma_dev_if.c
@@ -2973,28 +2973,28 @@ QDF_STATUS wma_vdev_start(tp_wma_handle wma,
 		return QDF_STATUS_E_FAILURE;
 	}
 
-	if (req->chan == 0) {
-		WMA_LOGE("%s: invalid channel: %d", __func__, req->chan);
+	if (req->op_freq == 0) {
+		WMA_LOGE("invalid operating frequency");
 		QDF_ASSERT(0);
 		return QDF_STATUS_E_INVAL;
 	}
 
-	params.channel.cfreq1 = cds_chan_to_freq(req->chan);
+	params.channel.cfreq1 = req->op_freq;
 	ch_width = req->chan_width;
 	bw_val = wlan_reg_get_bw_value(req->chan_width);
-	if (20 < bw_val) {
+	if (bw_val > 20) {
 		if (req->ch_center_freq_seg0) {
 			params.channel.cfreq1 =
 				cds_chan_to_freq(req->ch_center_freq_seg0);
 		} else {
 			WMA_LOGE("%s: invalid cntr_freq for bw %d, drop to 20",
 					__func__, bw_val);
-			params.channel.cfreq1 = cds_chan_to_freq(req->chan);
+			params.channel.cfreq1 = req->op_freq;
 			ch_width = CH_WIDTH_20MHZ;
 			bw_val = 20;
 		}
 	}
-	if (80 < bw_val) {
+	if (bw_val > 80) {
 		if (req->ch_center_freq_seg1) {
 			params.channel.cfreq2 =
 				cds_chan_to_freq(req->ch_center_freq_seg1);
@@ -3007,8 +3007,7 @@ QDF_STATUS wma_vdev_start(tp_wma_handle wma,
 	} else {
 		params.channel.cfreq2 = 0;
 	}
-	chan_mode = wma_chan_phy_mode(req->chan, ch_width,
-				      req->dot11_mode);
+	chan_mode = wma_chan_phy_mode(req->op_freq, ch_width, req->dot11_mode);
 
 	if (chan_mode == MODE_UNKNOWN) {
 		WMA_LOGE("%s: invalid phy mode!", __func__);
@@ -3026,7 +3025,7 @@ QDF_STATUS wma_vdev_start(tp_wma_handle wma,
 		return QDF_STATUS_E_FAILURE;
 	}
 	/* Fill channel info */
-	params.channel.mhz = cds_chan_to_freq(req->chan);
+	params.channel.mhz = req->op_freq;
 	params.channel.phy_mode = chan_mode;
 
 	/* For Rome, only supports LFR2, not LFR3, for reassoc, need send vdev
@@ -3071,7 +3070,8 @@ QDF_STATUS wma_vdev_start(tp_wma_handle wma,
 		CFG_TGT_DEFAULT_GTX_BW_MASK;
 	intr[params.vdev_id].mhz = params.channel.mhz;
 	intr[params.vdev_id].chan_width = ch_width;
-	intr[params.vdev_id].channel = req->chan;
+	intr[params.vdev_id].channel = wlan_reg_freq_to_chan(wma->pdev,
+							     req->op_freq);
 
 	temp_chan_info &= 0xffffffc0;
 	temp_chan_info |= params.channel.phy_mode;
@@ -4087,7 +4087,8 @@ static void wma_add_bss_ap_mode(tp_wma_handle wma, struct bss_params *add_bss)
 
 	qdf_mem_zero(&req, sizeof(req));
 	req.vdev_id = vdev_id;
-	req.chan = add_bss->currentOperChannel;
+	req.op_freq = wlan_reg_chan_to_freq(wma->pdev,
+					    add_bss->currentOperChannel);
 	req.chan_width = add_bss->ch_width;
 	req.dot11_mode = add_bss->dot11_mode;
 
@@ -4245,7 +4246,8 @@ static void wma_add_bss_ibss_mode(tp_wma_handle wma, struct bss_params *add_bss)
 
 	qdf_mem_zero(&req, sizeof(req));
 	req.vdev_id = vdev_id;
-	req.chan = add_bss->currentOperChannel;
+	req.op_freq = wlan_reg_chan_to_freq(wma->pdev,
+					    add_bss->currentOperChannel);
 	req.chan_width = add_bss->ch_width;
 	req.ch_center_freq_seg0 = add_bss->ch_center_freq_seg0;
 	req.ch_center_freq_seg1 = add_bss->ch_center_freq_seg1;
@@ -4273,7 +4275,7 @@ static void wma_add_bss_ibss_mode(tp_wma_handle wma, struct bss_params *add_bss)
 		req.preferred_tx_streams = 1;
 	}
 
-	WMA_LOGD("%s: chan %d chan_width %d", __func__, req.chan,
+	WMA_LOGD("%s: op_freq %d chan_width %d", __func__, req.op_freq,
 		 req.chan_width);
 	WMA_LOGD("%s: ssid = %s", __func__, req.ssid.ssId);
 
@@ -4421,7 +4423,9 @@ static void wma_add_bss_sta_mode(tp_wma_handle wma, struct bss_params *add_bss)
 
 			qdf_mem_zero(&req, sizeof(req));
 			req.vdev_id = vdev_id;
-			req.chan = add_bss->currentOperChannel;
+			req.op_freq =
+			  wlan_reg_chan_to_freq(wma->pdev,
+						add_bss->currentOperChannel);
 			req.chan_width = add_bss->ch_width;
 
 			if (add_bss->ch_width == CH_WIDTH_10MHZ)
diff --git a/core/wma/src/wma_features.c b/core/wma/src/wma_features.c
index 0f9e0ed79042..217a76ba7d8c 100644
--- a/core/wma/src/wma_features.c
+++ b/core/wma/src/wma_features.c
@@ -531,18 +531,19 @@ QDF_STATUS wma_process_dhcp_ind(WMA_HANDLE handle,
 
 /**
  * wma_chan_phy__mode() - get WLAN_PHY_MODE for channel
- * @chan: channel number
+ * @freq: operating frequency of connection
  * @chan_width: maximum channel width possible
  * @dot11_mode: maximum phy_mode possible
  *
  * Return: return WLAN_PHY_MODE
  */
-WLAN_PHY_MODE wma_chan_phy_mode(uint8_t chan, enum phy_ch_width chan_width,
+WLAN_PHY_MODE wma_chan_phy_mode(uint32_t freq, enum phy_ch_width chan_width,
 				uint8_t dot11_mode)
 {
 	WLAN_PHY_MODE phymode = MODE_UNKNOWN;
 	uint16_t bw_val = wlan_reg_get_bw_value(chan_width);
 	t_wma_handle *wma = cds_get_context(QDF_MODULE_ID_WMA);
+	uint16_t chan;
 
 	if (!wma) {
 		WMA_LOGE("%s : wma_handle is NULL", __func__);
@@ -554,7 +555,8 @@ WLAN_PHY_MODE wma_chan_phy_mode(uint8_t chan, enum phy_ch_width chan_width,
 		return MODE_UNKNOWN;
 	}
 
-	if (WLAN_REG_IS_24GHZ_CH(chan)) {
+	chan = wlan_reg_freq_to_chan(wma->pdev, freq);
+	if (wlan_reg_is_24ghz_ch_freq(freq)) {
 		if (((CH_WIDTH_5MHZ == chan_width) ||
 		     (CH_WIDTH_10MHZ == chan_width)) &&
 		    ((MLME_DOT11_MODE_11B == dot11_mode) ||
@@ -661,8 +663,8 @@ WLAN_PHY_MODE wma_chan_phy_mode(uint8_t chan, enum phy_ch_width chan_width,
 		}
 	}
 
-	WMA_LOGD("%s: phymode %d channel %d ch_width %d dot11_mode %d",
-		 __func__, phymode, chan, chan_width, dot11_mode);
+	WMA_LOGD("%s: phymode %d freq %d ch_width %d dot11_mode %d",
+		 __func__, phymode, freq, chan_width, dot11_mode);
 
 	QDF_ASSERT(MODE_UNKNOWN != phymode);
 	return phymode;
diff --git a/core/wma/src/wma_main.c b/core/wma/src/wma_main.c
index ba38b8c26d8c..de67e5a05039 100644
--- a/core/wma/src/wma_main.c
+++ b/core/wma/src/wma_main.c
@@ -3077,6 +3077,7 @@ void wma_get_phy_mode_cb(uint8_t chan, uint32_t chan_width, uint32_t *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");
@@ -3084,8 +3085,9 @@ void wma_get_phy_mode_cb(uint8_t chan, uint32_t chan_width, uint32_t *phy_mode)
 		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(chan, chan_width, dot11_mode);
+	*phy_mode = wma_chan_phy_mode(freq, chan_width, dot11_mode);
 }
 
 #ifdef WLAN_FEATURE_NAN
diff --git a/core/wma/src/wma_nan_datapath.c b/core/wma/src/wma_nan_datapath.c
index 3e817acaea9b..841bd424a2ea 100644
--- a/core/wma/src/wma_nan_datapath.c
+++ b/core/wma/src/wma_nan_datapath.c
@@ -101,7 +101,8 @@ void wma_add_bss_ndi_mode(tp_wma_handle wma, struct bss_params *add_bss)
 	 */
 	qdf_mem_zero(&req, sizeof(req));
 	req.vdev_id = vdev_id;
-	req.chan = add_bss->currentOperChannel;
+	req.op_freq = wlan_reg_chan_to_freq(wma->pdev,
+					    add_bss->currentOperChannel);
 	req.ch_center_freq_seg0 = add_bss->ch_center_freq_seg0;
 	req.ch_center_freq_seg1 = add_bss->ch_center_freq_seg1;
 	req.vht_capable = add_bss->vhtCapable;
diff --git a/core/wma/src/wma_ocb.c b/core/wma/src/wma_ocb.c
index f7f048ad35a4..d38e31e0fe1f 100644
--- a/core/wma/src/wma_ocb.c
+++ b/core/wma/src/wma_ocb.c
@@ -50,9 +50,9 @@ static QDF_STATUS wma_start_ocb_vdev(struct ocb_config *config)
 
 		return QDF_STATUS_E_NOMEM;
 	}
-	req.chan = cds_freq_to_chan(config->channels[0].chan_freq);
+	req.op_freq = config->channels[0].chan_freq;
 	req.vdev_id = msg->vdev_id;
-	if (cds_chan_to_band(req.chan) == CDS_BAND_2GHZ)
+	if (wlan_reg_is_24ghz_ch_freq(req.op_freq))
 		req.dot11_mode = MLME_DOT11_MODE_11G;
 	else
 		req.dot11_mode = MLME_DOT11_MODE_11A;
diff --git a/core/wma/src/wma_scan_roam.c b/core/wma/src/wma_scan_roam.c
index 00bdbdce8aa2..403b0923640d 100644
--- a/core/wma/src/wma_scan_roam.c
+++ b/core/wma/src/wma_scan_roam.c
@@ -3533,7 +3533,7 @@ void wma_set_channel(tp_wma_handle wma, tpSwitchChannelParams params)
 
 	qdf_mem_zero(&req, sizeof(req));
 	req.vdev_id = vdev_id;
-	req.chan = params->channelNumber;
+	req.op_freq = wlan_reg_chan_to_freq(wma->pdev, params->channelNumber);
 	req.chan_width = params->ch_width;
 
 	if (params->ch_width == CH_WIDTH_10MHZ)
@@ -3631,7 +3631,9 @@ void wma_set_channel(tp_wma_handle wma, tpSwitchChannelParams params)
 	 * indicate RX PPDU TLV with invalid channel number.
 	 */
 	if (intr[vdev_id].type == WMI_VDEV_TYPE_MONITOR)
-		cdp_record_monitor_chan_num(soc, pdev, req.chan);
+		cdp_record_monitor_chan_num(soc, pdev,
+					    wlan_reg_freq_to_chan(wma->pdev,
+								  req.op_freq));
 
 	return;
 send_resp: