staging: r8188eu: remove unused PHY_UpdateTxPowerDbm8188E()

Function PHY_UpdateTxPowerDbm8188E() is unused and it is the only user
of function phy_DbmToTxPwrIdx(), remove both.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210908223903.10516-4-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/hal/rtl8188e_phycfg.c b/drivers/staging/r8188eu/hal/rtl8188e_phycfg.c
index d356418..dd0008b 100644 (file)
--- a/drivers/staging/r8188eu/hal/rtl8188e_phycfg.c
+++ b/drivers/staging/r8188eu/hal/rtl8188e_phycfg.c
@@ -627,49 +627,6 @@ rtl8192c_PHY_GetHWRegOriginalValue(
        pHalData->framesyncC34 = PHY_QueryBBReg(Adapter, rOFDM0_RxDetector2, bMaskDWord);
 }
 
-/*  */
-/*     Description: */
-/*             Map dBm into Tx power index according to */
-/*             current HW model, for example, RF and PA, and */
-/*             current wireless mode. */
-/*     By Bruce, 2008-01-29. */
-/*  */
-static u8 phy_DbmToTxPwrIdx(struct adapter *Adapter, enum wireless_mode WirelessMode, int PowerInDbm)
-{
-       u8 TxPwrIdx = 0;
-       int                             Offset = 0;
-
-       /*  */
-       /*  Tested by MP, we found that CCK Index 0 equals to 8dbm, OFDM legacy equals to */
-       /*  3dbm, and OFDM HT equals to 0dbm respectively. */
-       /*  Note: */
-       /*      The mapping may be different by different NICs. Do not use this formula for what needs accurate result. */
-       /*  By Bruce, 2008-01-29. */
-       /*  */
-       switch (WirelessMode) {
-       case WIRELESS_MODE_B:
-               Offset = -7;
-               break;
-
-       case WIRELESS_MODE_G:
-       case WIRELESS_MODE_N_24G:
-       default:
-               Offset = -8;
-               break;
-       }
-
-       if ((PowerInDbm - Offset) > 0)
-               TxPwrIdx = (u8)((PowerInDbm - Offset) * 2);
-       else
-               TxPwrIdx = 0;
-
-       /*  Tx Power Index is too large. */
-       if (TxPwrIdx > MAX_TXPWR_IDX_NMODE_92S)
-               TxPwrIdx = MAX_TXPWR_IDX_NMODE_92S;
-
-       return TxPwrIdx;
-}
-
 static void getTxPowerIndex88E(struct adapter *Adapter, u8 channel, u8 *cckPowerLevel,
                               u8 *ofdmPowerLevel, u8 *BW20PowerLevel,
                               u8 *BW40PowerLevel)
@@ -793,43 +750,6 @@ PHY_SetTxPowerLevel8188E(
        rtl8188e_PHY_RF6052SetOFDMTxPower(Adapter, &ofdmPowerLevel[0], &BW20PowerLevel[0], &BW40PowerLevel[0], channel);
 }
 
-/*  */
-/*     Description: */
-/*             Update transmit power level of all channel supported. */
-/*  */
-/*     TODO: */
-/*             A mode. */
-/*     By Bruce, 2008-02-04. */
-/*  */
-bool
-PHY_UpdateTxPowerDbm8188E(
-               struct adapter *Adapter,
-               int             powerInDbm
-       )
-{
-       struct hal_data_8188e   *pHalData = GET_HAL_DATA(Adapter);
-       u8 idx;
-       u8 rf_path;
-
-       /*  TODO: A mode Tx power. */
-       u8 CckTxPwrIdx = phy_DbmToTxPwrIdx(Adapter, WIRELESS_MODE_B, powerInDbm);
-       u8 OfdmTxPwrIdx = phy_DbmToTxPwrIdx(Adapter, WIRELESS_MODE_N_24G, powerInDbm);
-
-       if (OfdmTxPwrIdx - pHalData->LegacyHTTxPowerDiff > 0)
-               OfdmTxPwrIdx -= pHalData->LegacyHTTxPowerDiff;
-       else
-               OfdmTxPwrIdx = 0;
-
-       for (idx = 0; idx < 14; idx++) {
-               for (rf_path = 0; rf_path < 2; rf_path++) {
-                       pHalData->TxPwrLevelCck[rf_path][idx] = CckTxPwrIdx;
-                       pHalData->TxPwrLevelHT40_1S[rf_path][idx] =
-                       pHalData->TxPwrLevelHT40_2S[rf_path][idx] = OfdmTxPwrIdx;
-               }
-       }
-       return true;
-}
-
 /*-----------------------------------------------------------------------------
  * Function:    PHY_SetBWModeCallback8192C()
  *

diff --git a/drivers/staging/r8188eu/include/Hal8188EPhyCfg.h b/drivers/staging/r8188eu/include/Hal8188EPhyCfg.h
index 1799d9a..e5662fa 100644 (file)
--- a/drivers/staging/r8188eu/include/Hal8188EPhyCfg.h
+++ b/drivers/staging/r8188eu/include/Hal8188EPhyCfg.h
@@ -190,7 +190,6 @@ void rtl8192c_PHY_GetHWRegOriginalValue(struct adapter *adapter);
 
 /*  BB TX Power R/W */
 void PHY_SetTxPowerLevel8188E(struct adapter *adapter, u8 channel);
-bool PHY_UpdateTxPowerDbm8188E(struct adapter *adapter, int power);
 
 /*  Switch bandwidth for 8192S */
 void PHY_SetBWMode8188E(struct adapter *adapter,