qcacld-3.0: Convert CSR legacy channel ID usage

Remove wlan_reg_freq_to_chan within function
csr_update_op_class_array and use channel frequencies
directly to retrieve opclass.

To utilize the new channel frequency function,
regional opclass table will be used unconditionally,
given no OTA packets' country IEs will be populated
here(and thus no need to carry global opclass).

Change-Id: Ida9831e7e74223455089770744222185ae3cb1d3
CRs-Fixed: 2576285

core/sme/src/csr/csr_api_roam.c

@@ -20915,35 +20915,29 @@ csr_update_op_class_array(struct mac_context *mac_ctx,
 	uint8_t j = 0, idx = 0, class = 0;
 	bool found = false;
 	uint8_t num_channels = channel_info->numChannels;
-	uint8_t ch_bandwidth;
+	uint8_t ch_num;
 
-	sme_debug("Num of %s channels,  %d",
-		ch_name, num_channels);
+	sme_debug("Num of %s channels,  %d", ch_name, num_channels);
 
 	for (idx = 0; idx < num_channels &&
-			*i < (REG_MAX_SUPP_OPER_CLASSES - 1); idx++) {
-		for (ch_bandwidth = BW20; ch_bandwidth < BWALL;
-			ch_bandwidth++) {
-			class = wlan_reg_dmn_get_opclass_from_channel(
-					mac_ctx->scan.countryCodeCurrent,
-					wlan_reg_freq_to_chan(mac_ctx->pdev, channel_info->channel_freq_list[idx]),
-					ch_bandwidth);
-			sme_debug("for chan freq %d, op class: %d",
-				  channel_info->channel_freq_list[idx], class);
+		*i < (REG_MAX_SUPP_OPER_CLASSES - 1); idx++) {
+		wlan_reg_freq_to_chan_op_class(
+			mac_ctx->pdev, channel_info->channel_freq_list[idx],
+			false, BIT(BEHAV_NONE), &class, &ch_num);
+		sme_debug("for chan freq %d, op class: %d",
+			  channel_info->channel_freq_list[idx], class);
 
-			found = false;
-			for (j = 0; j < REG_MAX_SUPP_OPER_CLASSES - 1;
-				j++) {
-				if (op_classes[j] == class) {
-					found = true;
-					break;
-				}
+		found = false;
+		for (j = 0; j < REG_MAX_SUPP_OPER_CLASSES - 1; j++) {
+			if (op_classes[j] == class) {
+				found = true;
+				break;
 			}
+		}
 
-			if (!found) {
-				op_classes[*i] = class;
-				*i = *i + 1;
-			}
+		if (!found) {
+			op_classes[*i] = class;
+			*i = *i + 1;
 		}
 	}
 }