The parameter 'band' of rtw_ieee80211_channel_to_frequency() in
wifi_regd.c is unused, remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/rtl8723bs/os_dep/wifi_regd.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/rtl8723bs/os_dep/wifi_regd.c b/drivers/staging/rtl8723bs/os_dep/wifi_regd.c
index dbd4bf531339..ac0b58a8b5d3 100644
--- a/drivers/staging/rtl8723bs/os_dep/wifi_regd.c
+++ b/drivers/staging/rtl8723bs/os_dep/wifi_regd.c
@@ -41,7 +41,7 @@ static const struct ieee80211_regdomain rtw_regdom_rd = {
 	}
 };
 
-static int rtw_ieee80211_channel_to_frequency(int chan, int band)
+static int rtw_ieee80211_channel_to_frequency(int chan)
 {
 	/* NL80211_BAND_2GHZ */
 	if (chan == 14)
@@ -82,10 +82,7 @@ static void _rtw_reg_apply_flags(struct wiphy *wiphy)
 	/* channels apply by channel plans. */
 	for (i = 0; i < max_chan_nums; i++) {
 		channel = channel_set[i].ChannelNum;
-		freq =
-		    rtw_ieee80211_channel_to_frequency(channel,
-						       NL80211_BAND_2GHZ);
-
+		freq = rtw_ieee80211_channel_to_frequency(channel);
 		ch = ieee80211_get_channel(wiphy, freq);
 		if (ch) {
 			if (channel_set[i].ScanType == SCAN_PASSIVE)
-- 
2.49.0