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Subject[PATCH 3/4] staging: r8188eu: remove constant phy_IQCalibrate_8188E parameter
Date
The only caller of phy_IQCalibrate_8188E sets the is2t parameter
to false.

Remove the parameter and resulting dead code. This includes the
phy_PathB_IQK_8188E and _PHY_PathAStandBy functions.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
drivers/staging/r8188eu/hal/HalPhyRf_8188e.c | 88 +------------------
.../staging/r8188eu/include/HalPhyRf_8188e.h | 2 -
2 files changed, 4 insertions(+), 86 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c b/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c
index 7c192b272a77..6b49acab0be8 100644
--- a/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c
+++ b/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c
@@ -502,43 +502,6 @@ phy_PathA_RxIQK(struct adapter *adapt)
return result;
}

-static u8 /* bit0 = 1 => Tx OK, bit1 = 1 => Rx OK */
-phy_PathB_IQK_8188E(struct adapter *adapt)
-{
- u32 regeac, regeb4, regebc, regec4, regecc;
- u8 result = 0x00;
- struct hal_data_8188e *pHalData = GET_HAL_DATA(adapt);
- struct odm_dm_struct *dm_odm = &pHalData->odmpriv;
-
- /* One shot, path B LOK & IQK */
- ODM_SetBBReg(dm_odm, rIQK_AGC_Cont, bMaskDWord, 0x00000002);
- ODM_SetBBReg(dm_odm, rIQK_AGC_Cont, bMaskDWord, 0x00000000);
-
- /* delay x ms */
- ODM_delay_ms(IQK_DELAY_TIME_88E);
-
- /* Check failed */
- regeac = ODM_GetBBReg(dm_odm, rRx_Power_After_IQK_A_2, bMaskDWord);
- regeb4 = ODM_GetBBReg(dm_odm, rTx_Power_Before_IQK_B, bMaskDWord);
- regebc = ODM_GetBBReg(dm_odm, rTx_Power_After_IQK_B, bMaskDWord);
- regec4 = ODM_GetBBReg(dm_odm, rRx_Power_Before_IQK_B_2, bMaskDWord);
- regecc = ODM_GetBBReg(dm_odm, rRx_Power_After_IQK_B_2, bMaskDWord);
-
- if (!(regeac & BIT(31)) &&
- (((regeb4 & 0x03FF0000) >> 16) != 0x142) &&
- (((regebc & 0x03FF0000) >> 16) != 0x42))
- result |= 0x01;
- else
- return result;
-
- if (!(regeac & BIT(30)) &&
- (((regec4 & 0x03FF0000) >> 16) != 0x132) &&
- (((regecc & 0x03FF0000) >> 16) != 0x36))
- result |= 0x02;
-
- return result;
-}
-
static void patha_fill_iqk(struct adapter *adapt, bool iqkok, s32 result[][8], u8 final_candidate, bool txonly)
{
u32 Oldval_0, X, TX0_A, reg;
@@ -675,19 +638,6 @@ _PHY_MACSettingCalibration(
rtw_write8(adapt, MACReg[i], (u8)(MACBackup[i] & (~BIT(5))));
}

-void
-_PHY_PathAStandBy(
- struct adapter *adapt
- )
-{
- struct hal_data_8188e *pHalData = GET_HAL_DATA(adapt);
- struct odm_dm_struct *dm_odm = &pHalData->odmpriv;
-
- ODM_SetBBReg(dm_odm, rFPGA0_IQK, bMaskDWord, 0x0);
- ODM_SetBBReg(dm_odm, 0x840, bMaskDWord, 0x00010000);
- ODM_SetBBReg(dm_odm, rFPGA0_IQK, bMaskDWord, 0x80800000);
-}
-
static void _PHY_PIModeSwitch(
struct adapter *adapt,
bool PIMode
@@ -781,12 +731,12 @@ static bool phy_SimularityCompare_8188E(
}
}

-static void phy_IQCalibrate_8188E(struct adapter *adapt, s32 result[][8], u8 t, bool is2t)
+static void phy_IQCalibrate_8188E(struct adapter *adapt, s32 result[][8], u8 t)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(adapt);
struct odm_dm_struct *dm_odm = &pHalData->odmpriv;
u32 i;
- u8 PathAOK, PathBOK;
+ u8 PathAOK;
u32 ADDA_REG[IQK_ADDA_REG_NUM] = {
rFPGA0_XCD_SwitchControl, rBlue_Tooth,
rRx_Wait_CCA, rTx_CCK_RFON,
@@ -818,7 +768,7 @@ static void phy_IQCalibrate_8188E(struct adapter *adapt, s32 result[][8], u8 t,
_PHY_SaveADDARegisters(adapt, IQK_BB_REG_92C, dm_odm->RFCalibrateInfo.IQK_BB_backup, IQK_BB_REG_NUM);
}

- _PHY_PathADDAOn(adapt, ADDA_REG, true, is2t);
+ _PHY_PathADDAOn(adapt, ADDA_REG, true, false);
if (t == 0)
dm_odm->RFCalibrateInfo.bRfPiEnable = (u8)ODM_GetBBReg(dm_odm, rFPGA0_XA_HSSIParameter1, BIT(8));

@@ -838,11 +788,6 @@ static void phy_IQCalibrate_8188E(struct adapter *adapt, s32 result[][8], u8 t,
ODM_SetBBReg(dm_odm, rFPGA0_XA_RFInterfaceOE, BIT(10), 0x00);
ODM_SetBBReg(dm_odm, rFPGA0_XB_RFInterfaceOE, BIT(10), 0x00);

- if (is2t) {
- ODM_SetBBReg(dm_odm, rFPGA0_XA_LSSIParameter, bMaskDWord, 0x00010000);
- ODM_SetBBReg(dm_odm, rFPGA0_XB_LSSIParameter, bMaskDWord, 0x00010000);
- }
-
/* MAC settings */
_PHY_MACSettingCalibration(adapt, IQK_MAC_REG, dm_odm->RFCalibrateInfo.IQK_MAC_backup);

@@ -850,8 +795,6 @@ static void phy_IQCalibrate_8188E(struct adapter *adapt, s32 result[][8], u8 t,
/* AP or IQK */
ODM_SetBBReg(dm_odm, rConfig_AntA, bMaskDWord, 0x0f600000);

- if (is2t)
- ODM_SetBBReg(dm_odm, rConfig_AntB, bMaskDWord, 0x0f600000);

/* IQ calibration setting */
ODM_SetBBReg(dm_odm, rFPGA0_IQK, bMaskDWord, 0x80800000);
@@ -876,27 +819,6 @@ static void phy_IQCalibrate_8188E(struct adapter *adapt, s32 result[][8], u8 t,
}
}

- if (is2t) {
- _PHY_PathAStandBy(adapt);
-
- /* Turn Path B ADDA on */
- _PHY_PathADDAOn(adapt, ADDA_REG, false, is2t);
-
- for (i = 0; i < retryCount; i++) {
- PathBOK = phy_PathB_IQK_8188E(adapt);
- if (PathBOK == 0x03) {
- result[t][4] = (ODM_GetBBReg(dm_odm, rTx_Power_Before_IQK_B, bMaskDWord) & 0x3FF0000) >> 16;
- result[t][5] = (ODM_GetBBReg(dm_odm, rTx_Power_After_IQK_B, bMaskDWord) & 0x3FF0000) >> 16;
- result[t][6] = (ODM_GetBBReg(dm_odm, rRx_Power_Before_IQK_B_2, bMaskDWord) & 0x3FF0000) >> 16;
- result[t][7] = (ODM_GetBBReg(dm_odm, rRx_Power_After_IQK_B_2, bMaskDWord) & 0x3FF0000) >> 16;
- break;
- } else if (i == (retryCount - 1) && PathBOK == 0x01) { /* Tx IQK OK */
- result[t][4] = (ODM_GetBBReg(dm_odm, rTx_Power_Before_IQK_B, bMaskDWord) & 0x3FF0000) >> 16;
- result[t][5] = (ODM_GetBBReg(dm_odm, rTx_Power_After_IQK_B, bMaskDWord) & 0x3FF0000) >> 16;
- }
- }
- }
-
/* Back to BB mode, load original value */
ODM_SetBBReg(dm_odm, rFPGA0_IQK, bMaskDWord, 0);

@@ -916,8 +838,6 @@ static void phy_IQCalibrate_8188E(struct adapter *adapt, s32 result[][8], u8 t,

/* Restore RX initial gain */
ODM_SetBBReg(dm_odm, rFPGA0_XA_LSSIParameter, bMaskDWord, 0x00032ed3);
- if (is2t)
- ODM_SetBBReg(dm_odm, rFPGA0_XB_LSSIParameter, bMaskDWord, 0x00032ed3);

/* load 0xe30 IQC default value */
ODM_SetBBReg(dm_odm, rTx_IQK_Tone_A, bMaskDWord, 0x01008c00);
@@ -1027,7 +947,7 @@ void PHY_IQCalibrate_8188E(struct adapter *adapt, bool recovery)
is13simular = false;

for (i = 0; i < 3; i++) {
- phy_IQCalibrate_8188E(adapt, result, i, false);
+ phy_IQCalibrate_8188E(adapt, result, i);

if (i == 1) {
is12simular = phy_SimularityCompare_8188E(adapt, result, 0, 1);
diff --git a/drivers/staging/r8188eu/include/HalPhyRf_8188e.h b/drivers/staging/r8188eu/include/HalPhyRf_8188e.h
index d4a27662309f..60909ea2874e 100644
--- a/drivers/staging/r8188eu/include/HalPhyRf_8188e.h
+++ b/drivers/staging/r8188eu/include/HalPhyRf_8188e.h
@@ -36,6 +36,4 @@ void _PHY_PathADDAOn(struct adapter *pAdapter, u32 *ADDAReg,
void _PHY_MACSettingCalibration(struct adapter *pAdapter, u32 *MACReg,
u32 *MACBackup);

-void _PHY_PathAStandBy(struct adapter *pAdapter);
-
#endif /* #ifndef __HAL_PHY_RF_8188E_H__ */
--
2.20.1
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