staging: rtl8192u: remove unused ieee80211_SignalStrengthTranslate function

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@redhat.com>
Link: https://lore.kernel.org/r/20230323165931.2634587-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
index 5c73e3f..ca09367 100644 (file)
--- 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));