clang with W=1 reports drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c:1961:18: error: unused function 'ieee80211_SignalStrengthTranslate' [-Werror,-Wunused-function] static inline u8 ieee80211_SignalStrengthTranslate( ^ This function is not used so remove it. It may have been used in the past but that has been commented out. Also remove the comment. Signed-off-by: Tom Rix <trix@xxxxxxxxxx> --- .../staging/rtl8192u/ieee80211/ieee80211_rx.c | 38 ------------------- 1 file changed, 38 deletions(-) diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c index 5c73e3f8541a..ca09367005e1 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c @@ -1958,43 +1958,6 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee, return 0; } -static inline u8 ieee80211_SignalStrengthTranslate( - u8 CurrSS - ) -{ - u8 RetSS; - - // Step 1. Scale mapping. - if (CurrSS >= 71 && CurrSS <= 100) { - RetSS = 90 + ((CurrSS - 70) / 3); - } else if (CurrSS >= 41 && CurrSS <= 70) { - RetSS = 78 + ((CurrSS - 40) / 3); - } else if (CurrSS >= 31 && CurrSS <= 40) { - RetSS = 66 + (CurrSS - 30); - } else if (CurrSS >= 21 && CurrSS <= 30) { - RetSS = 54 + (CurrSS - 20); - } else if (CurrSS >= 5 && CurrSS <= 20) { - RetSS = 42 + (((CurrSS - 5) * 2) / 3); - } else if (CurrSS == 4) { - RetSS = 36; - } else if (CurrSS == 3) { - RetSS = 27; - } else if (CurrSS == 2) { - RetSS = 18; - } else if (CurrSS == 1) { - RetSS = 9; - } else { - RetSS = CurrSS; - } - //RT_TRACE(COMP_DBG, DBG_LOUD, ("##### After Mapping: LastSS: %d, CurrSS: %d, RetSS: %d\n", LastSS, CurrSS, RetSS)); - - // Step 2. Smoothing. - - //RT_TRACE(COMP_DBG, DBG_LOUD, ("$$$$$ After Smoothing: LastSS: %d, CurrSS: %d, RetSS: %d\n", LastSS, CurrSS, RetSS)); - - return RetSS; -} - /* 0-100 index */ static long ieee80211_translate_todbm(u8 signal_strength_index) { @@ -2095,7 +2058,6 @@ static inline int ieee80211_network_init( network->flags |= NETWORK_EMPTY_ESSID; stats->signal = 30 + (stats->SignalStrength * 70) / 100; - //stats->signal = ieee80211_SignalStrengthTranslate(stats->signal); stats->noise = ieee80211_translate_todbm((u8)(100 - stats->signal)) - 25; memcpy(&network->stats, stats, sizeof(network->stats)); -- 2.27.0