staging: r8188eu: remove rtw_set_country()

Function rtw_set_country() is not used, remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210922200420.9693-22-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_ioctl_set.c

@@ -558,32 +558,3 @@ int rtw_set_channel_plan(struct adapter *adapter, u8 channel_plan)
 	/* handle by cmd_thread to sync with scan operation */
 	return rtw_set_chplan_cmd(adapter, channel_plan, 1);
 }
-
-/*
-* rtw_set_country -
-* @adapter: pointer to struct adapter structure
-* @country_code: string of country code
-*
-* Return _SUCCESS or _FAIL
-*/
-int rtw_set_country(struct adapter *adapter, const char *country_code)
-{
-	int channel_plan = RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN_2G;
-
-	DBG_88E("%s country_code:%s\n", __func__, country_code);
-
-	/* TODO: should have a table to match country code and RT_CHANNEL_DOMAIN */
-	/* TODO: should consider 2-character and 3-character country code */
-	if (0 == strcmp(country_code, "US"))
-		channel_plan = RT_CHANNEL_DOMAIN_FCC;
-	else if (0 == strcmp(country_code, "EU"))
-		channel_plan = RT_CHANNEL_DOMAIN_ETSI;
-	else if (0 == strcmp(country_code, "JP"))
-		channel_plan = RT_CHANNEL_DOMAIN_MKK;
-	else if (0 == strcmp(country_code, "CN"))
-		channel_plan = RT_CHANNEL_DOMAIN_CHINA;
-	else
-		DBG_88E("%s unknown country_code:%s\n", __func__, country_code);
-
-	return rtw_set_channel_plan(adapter, channel_plan);
-}

drivers/staging/r8188eu/include/rtw_ioctl_set.h

@@ -23,7 +23,6 @@ u8 rtw_validate_ssid(struct ndis_802_11_ssid *ssid);
 u16 rtw_get_cur_max_rate(struct adapter *adapter);
 int rtw_set_scan_mode(struct adapter *adapter, enum rt_scan_type scan_mode);
 int rtw_set_channel_plan(struct adapter *adapter, u8 channel_plan);
-int rtw_set_country(struct adapter *adapter, const char *country_code);
 int rtw_change_ifname(struct adapter *padapter, const char *ifname);
 
 #endif