linux-kernel - [PATCH 06/37] staging:r8188eu: refactor rtl88eu_phy_iq

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Date:   Wed, 19 Oct 2016 22:07:34 +0700
From:   Ivan Safonov <insafonov@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bhaktipriya Shridhar <bhaktipriya96@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Geliang Tang <geliangtang@....com>, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Cc:     insafonov@...il.com
Subject: [PATCH 06/37] staging:r8188eu: refactor rtl88eu_phy_iq_calibrate function

is2t local variable always is false.

Signed-off-by: Ivan Safonov <insafonov@...il.com>
---
 drivers/staging/rtl8188eu/hal/phy.c | 57 +------------------------------------
 1 file changed, 1 insertion(+), 56 deletions(-)

diff --git a/drivers/staging/rtl8188eu/hal/phy.c b/drivers/staging/rtl8188eu/hal/phy.c
index 8462a91..c344882 100644
--- a/drivers/staging/rtl8188eu/hal/phy.c
+++ b/drivers/staging/rtl8188eu/hal/phy.c
@@ -768,53 +768,6 @@ static void patha_fill_iqk(struct adapter *adapt, bool iqkok, s32 result[][8],
 	}
 }
 
-static void pathb_fill_iqk(struct adapter *adapt, bool iqkok, s32 result[][8],
-			   u8 final_candidate, bool txonly)
-{
-	u32 oldval_1, x, tx1_a, reg;
-	s32 y, tx1_c;
-
-	if (final_candidate == 0xFF) {
-		return;
-	} else if (iqkok) {
-		oldval_1 = (phy_query_bb_reg(adapt, rOFDM0_XBTxIQImbalance, bMaskDWord) >> 22) & 0x3FF;
-
-		x = result[final_candidate][4];
-		if ((x & 0x00000200) != 0)
-			x = x | 0xFFFFFC00;
-		tx1_a = (x * oldval_1) >> 8;
-		phy_set_bb_reg(adapt, rOFDM0_XBTxIQImbalance, 0x3FF, tx1_a);
-
-		phy_set_bb_reg(adapt, rOFDM0_ECCAThreshold, BIT(27),
-			       ((x * oldval_1>>7) & 0x1));
-
-		y = result[final_candidate][5];
-		if ((y & 0x00000200) != 0)
-			y = y | 0xFFFFFC00;
-
-		tx1_c = (y * oldval_1) >> 8;
-
-		phy_set_bb_reg(adapt, rOFDM0_XDTxAFE, 0xF0000000,
-			       ((tx1_c&0x3C0)>>6));
-		phy_set_bb_reg(adapt, rOFDM0_XBTxIQImbalance, 0x003F0000,
-			       (tx1_c&0x3F));
-		phy_set_bb_reg(adapt, rOFDM0_ECCAThreshold, BIT(25),
-			       ((y * oldval_1>>7) & 0x1));
-
-		if (txonly)
-			return;
-
-		reg = result[final_candidate][6];
-		phy_set_bb_reg(adapt, rOFDM0_XBRxIQImbalance, 0x3FF, reg);
-
-		reg = result[final_candidate][7] & 0x3F;
-		phy_set_bb_reg(adapt, rOFDM0_XBRxIQImbalance, 0xFC00, reg);
-
-		reg = (result[final_candidate][7] >> 6) & 0xF;
-		phy_set_bb_reg(adapt, rOFDM0_AGCRSSITable, 0x0000F000, reg);
-	}
-}
-
 static void save_adda_registers(struct adapter *adapt, u32 *addareg,
 				u32 *backup, u32 register_num)
 {
@@ -1232,9 +1185,6 @@ void rtl88eu_phy_iq_calibrate(struct adapter *adapt, bool recovery)
 		rOFDM0_XATxIQImbalance, rOFDM0_XBTxIQImbalance,
 		rOFDM0_XCTxAFE, rOFDM0_XDTxAFE,
 		rOFDM0_RxIQExtAnta};
-	bool is2t;
-
-	is2t = false;
 
 	if (!(dm_odm->SupportAbility & ODM_RF_CALIBRATION))
 		return;
@@ -1267,7 +1217,7 @@ void rtl88eu_phy_iq_calibrate(struct adapter *adapt, bool recovery)
 	is13simular = false;
 
 	for (i = 0; i < 3; i++) {
-		phy_iq_calibrate(adapt, result, i, is2t);
+		phy_iq_calibrate(adapt, result, i, 0);
 
 		if (i == 1) {
 			is12simular = simularity_compare(adapt, result, 0, 1);
@@ -1324,11 +1274,6 @@ void rtl88eu_phy_iq_calibrate(struct adapter *adapt, bool recovery)
 	if (reg_e94 != 0)
 		patha_fill_iqk(adapt, pathaok, result, final,
 			       (reg_ea4 == 0));
-	if (is2t) {
-		if (reg_eb4 != 0)
-			pathb_fill_iqk(adapt, pathbok, result, final,
-				       (reg_ec4 == 0));
-	}
 
 	chn_index = get_right_chnl_for_iqk(adapt->HalData->CurrentChannel);
 
-- 
2.7.3