mwifiex: use a function to replace two copies of a code fragment

Instead of having two copies of the code for device tree cfgdata
downloading, add a function to improve the code.
Reviewed-by: Paul Stewart <pstew@chromium.org>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/cfg80211.c

@@ -563,14 +563,7 @@ static void mwifiex_reg_notifier(struct wiphy *wiphy,
 		memcpy(adapter->country_code, request->alpha2,
 		       sizeof(request->alpha2));
 		mwifiex_send_domain_info_cmd_fw(wiphy);
-
-		if (adapter->dt_node) {
-			char txpwr[] = {"marvell,00_txpwrlimit"};
-
-			memcpy(&txpwr[8], adapter->country_code, 2);
-			mwifiex_dnld_dt_cfgdata(priv, adapter->dt_node,
-						txpwr);
-		}
+		mwifiex_dnld_txpwr_table(priv);
 	}
 }
 

drivers/net/wireless/mwifiex/main.h

@@ -1155,6 +1155,7 @@ void mwifiex_11h_process_join(struct mwifiex_private *priv, u8 **buffer,
 int mwifiex_11h_handle_event_chanswann(struct mwifiex_private *priv);
 int mwifiex_dnld_dt_cfgdata(struct mwifiex_private *priv,
 			    struct device_node *node, const char *prefix);
+void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv);
 
 extern const struct ethtool_ops mwifiex_ethtool_ops;
 

drivers/net/wireless/mwifiex/sta_ioctl.c

@@ -184,6 +184,16 @@ int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
 	return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
 }
 
+void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv)
+{
+	if (priv->adapter->dt_node) {
+		char txpwr[] = {"marvell,00_txpwrlimit"};
+
+		memcpy(&txpwr[8], priv->adapter->country_code, 2);
+		mwifiex_dnld_dt_cfgdata(priv, priv->adapter->dt_node, txpwr);
+	}
+}
+
 static int mwifiex_process_country_ie(struct mwifiex_private *priv,
 				      struct cfg80211_bss *bss)
 {
@@ -234,12 +244,7 @@ static int mwifiex_process_country_ie(struct mwifiex_private *priv,
 		return -1;
 	}
 
-	if (priv->adapter->dt_node) {
-		char txpwr[] = {"marvell,00_txpwrlimit"};
-
-		memcpy(&txpwr[8], priv->adapter->country_code, 2);
-		mwifiex_dnld_dt_cfgdata(priv, priv->adapter->dt_node, txpwr);
-	}
+	mwifiex_dnld_txpwr_table(priv);
 
 	return 0;
 }