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rtl8xxxu: Remove unused 8723bu path B IQ calibration code

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The 8723bu is a combo WiFi/BT dongle, and path B is not used for WiFi,
so no point in calibrating it.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Jes Sorensen 2016-04-14 14:58:54 -04:00 committed by Kalle Valo
parent fe62171fb5
commit 15f9dc9923
1 changed files with 3 additions and 73 deletions
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76
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
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@ -4988,50 +4988,6 @@ out:
return result;
}
#ifdef RTL8723BU_PATH_B
static int rtl8723bu_iqk_path_b(struct rtl8xxxu_priv *priv)
{
u32 reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc, path_sel;
int result = 0;
path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
val32 &= 0x000000ff;
rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
/* One shot, path B LOK & IQK */
rtl8xxxu_write32(priv, REG_IQK_AGC_CONT, 0x00000002);
rtl8xxxu_write32(priv, REG_IQK_AGC_CONT, 0x00000000);
mdelay(1);
/* Check failed */
reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
reg_ec4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2);
reg_ecc = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2);
if (!(reg_eac & BIT(31)) &&
((reg_eb4 & 0x03ff0000) != 0x01420000) &&
((reg_ebc & 0x03ff0000) != 0x00420000))
result |= 0x01;
else
goto out;
if (!(reg_eac & BIT(30)) &&
(((reg_ec4 & 0x03ff0000) >> 16) != 0x132) &&
(((reg_ecc & 0x03ff0000) >> 16) != 0x36))
result |= 0x02;
else
dev_warn(&priv->udev->dev, "%s: Path B RX IQK failed!\n",
__func__);
out:
return result;
}
#endif
static int rtl8192eu_iqk_path_a(struct rtl8xxxu_priv *priv)
{
u32 reg_eac, reg_e94, reg_e9c;
@ -5619,20 +5575,6 @@ static void rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000);
#ifdef RTL8723BU_PATH_B
/* Set RF mode to standby Path B */
if (priv->tx_paths > 1)
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 0x10000);
#endif
#if 0
/* Page B init */
rtl8xxxu_write32(priv, REG_CONFIG_ANT_A, 0x0f600000);
if (priv->tx_paths > 1)
rtl8xxxu_write32(priv, REG_CONFIG_ANT_B, 0x0f600000);
#endif
/*
* RX IQ calibration setting for 8723B D cut large current issue
* when leaving IPS
@ -5662,12 +5604,6 @@ static void rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
val32 &= 0x000000ff;
rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
#if 0 /* Only needed in restore case, we may need this when going to suspend */
priv->RFCalibrateInfo.TxLOK[RF_A] =
rtl8xxxu_read_rfreg(priv, RF_A,
RF6052_REG_TXM_IDAC);
#endif
val32 = rtl8xxxu_read32(priv,
REG_TX_POWER_BEFORE_IQK_A);
result[t][0] = (val32 >> 16) & 0x3ff;
@ -6209,15 +6145,9 @@ static void rtl8723bu_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32);
rtl8xxxu_write_rfreg(priv, RF_A, 0x43, 0x300bd);
if (priv->rf_paths > 1) {
dev_dbg(dev, "%s: beware 2T not yet supported\n", __func__);
#ifdef RTL8723BU_PATH_B
if (RF_Path == 0x0) //S1
ODM_SetIQCbyRFpath(pDM_Odm, 0);
else //S0
ODM_SetIQCbyRFpath(pDM_Odm, 1);
#endif
}
if (priv->rf_paths > 1)
dev_dbg(dev, "%s: 8723BU 2T not supported\n", __func__);
rtl8xxxu_prepare_calibrate(priv, 0);
}