nrf_wifi: Add a flag to indicate waiting for reg change event

To determine if the regulatory change event is solicited or not, this
flag is handy.

Helps fix #79733.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

nrf_wifi/fw_if/umac_if/inc/fmac_structs_common.h

@@ -170,6 +170,8 @@ struct nrf_wifi_fmac_dev_ctx {
 	unsigned int reg_chan_count;
 	/** Regulatory channel attributes */
 	struct nrf_wifi_get_reg_chn_info *reg_chan_info;
+	/** To determine if event is solicited or not */
+	bool waiting_for_reg_event;
 	/** Regulatory set status */
 	int reg_set_status;
 	/** Regulatory change event */

nrf_wifi/fw_if/umac_if/src/fmac_api_common.c

@@ -810,6 +810,8 @@ enum nrf_wifi_status nrf_wifi_fmac_set_reg(struct nrf_wifi_fmac_dev_ctx *fmac_de
 	}
 
 	fmac_dev_ctx->reg_set_status = false;
+	fmac_dev_ctx->waiting_for_reg_event = true;
+
 	status = umac_cmd_cfg(fmac_dev_ctx,
 			      set_reg_cmd,
 			      sizeof(*set_reg_cmd));
@@ -834,6 +836,7 @@ enum nrf_wifi_status nrf_wifi_fmac_set_reg(struct nrf_wifi_fmac_dev_ctx *fmac_de
 		goto out;
 	}
 
+	fmac_dev_ctx->waiting_for_reg_event = false;
 	reg_change = fmac_dev_ctx->reg_change;
 
 	if (reg_change->intr != exp_initiator) {