+static void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm);
+static bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec);
+static bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val);
+static bool wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit,
+ uint val);
+static bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val);
+static const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
+ const char *ccode);
+static void wlc_locale_get_channels(const locale_info_t *locale,
+ chanvec_t *valid_channels);
+static const locale_info_t *wlc_get_locale_2g(u8 locale_idx);
+static const locale_info_t *wlc_get_locale_5g(u8 locale_idx);
+static bool wlc_japan(struct wlc_info *wlc);