diff --git a/drivers/staging/wfx/hif_api_cmd.h b/drivers/staging/wfx/hif_api_cmd.h
index 8c48477e8797..21cde19cff75 100644
--- a/drivers/staging/wfx/hif_api_cmd.h
+++ b/drivers/staging/wfx/hif_api_cmd.h
@@ -321,7 +321,8 @@ struct hif_rx_flags {
 
 struct hif_ind_rx {
 	__le32 status;
-	__le16 channel_number;
+	u8     channel_number;
+	u8     reserved;
 	u8     rxed_rate;
 	u8     rcpi_rssi;
 	struct hif_rx_flags rx_flags;
@@ -356,7 +357,8 @@ struct hif_req_join {
 	u8     infrastructure_bss_mode:1;
 	u8     reserved1:7;
 	u8     band;
-	__le16 channel_number;
+	u8     channel_number;
+	u8     reserved;
 	u8     bssid[ETH_ALEN];
 	__le16 atim_window;
 	u8     short_preamble:1;
@@ -421,13 +423,14 @@ struct hif_ind_set_pm_mode_cmpl {
 struct hif_req_start {
 	u8     mode;
 	u8     band;
-	__le16 channel_number;
-	__le32 reserved1;
+	u8     channel_number;
+	u8     reserved1;
+	__le32 reserved2;
 	__le32 beacon_interval;
 	u8     dtim_period;
 	u8     short_preamble:1;
-	u8     reserved2:7;
-	u8     reserved3;
+	u8     reserved3:7;
+	u8     reserved4;
 	u8     ssid_length;
 	u8     ssid[HIF_API_SSID_SIZE];
 	__le32 basic_rate_set;
diff --git a/drivers/staging/wfx/hif_tx.c b/drivers/staging/wfx/hif_tx.c
index bb776ee6689c..7f459719e7b4 100644
--- a/drivers/staging/wfx/hif_tx.c
+++ b/drivers/staging/wfx/hif_tx.c
@@ -309,7 +309,7 @@ int hif_join(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf,
 		body->probe_for_join = 0;
 	else
 		body->probe_for_join = 1;
-	body->channel_number = cpu_to_le16(channel->hw_value);
+	body->channel_number = channel->hw_value;
 	body->beacon_interval = cpu_to_le32(conf->beacon_int);
 	body->basic_rate_set =
 		cpu_to_le32(wfx_rate_mask_to_hw(wvif->wdev, conf->basic_rates));
@@ -435,7 +435,7 @@ int hif_start(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf,
 	WARN_ON(!conf->beacon_int);
 	body->dtim_period = conf->dtim_period;
 	body->short_preamble = conf->use_short_preamble;
-	body->channel_number = cpu_to_le16(channel->hw_value);
+	body->channel_number = channel->hw_value;
 	body->beacon_interval = cpu_to_le32(conf->beacon_int);
 	body->basic_rate_set =
 		cpu_to_le32(wfx_rate_mask_to_hw(wvif->wdev, conf->basic_rates));