Staging: rtl8821ae: removed unused functions and variables

Clean up a bunch of build warnings by removing functions and variables that
aren't being used.

Cc: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

4 files changed, 3 insertions, 354 deletions

diff --git a/drivers/staging/rtl8821ae/rtl8821ae/dm.c b/drivers/staging/rtl8821ae/rtl8821ae/dm.c
index 881ea11df8a6..41bd21d0e8cd 100644
--- a/drivers/staging/rtl8821ae/rtl8821ae/dm.c
+++ b/drivers/staging/rtl8821ae/rtl8821ae/dm.c
@@ -556,11 +556,6 @@ void rtl8821ae_dm_initialize_txpower_tracking_thermalmeter(
 	}
 }
 
-static void rtl8821ae_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
-{
-	rtl8821ae_dm_initialize_txpower_tracking_thermalmeter(hw);
-}
-
 static void rtl8821ae_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
 {
 	dm_pstable.pre_ccastate = CCA_MAX;
@@ -775,7 +770,6 @@ void  rtl8812ae_dm_rssi_dump_to_register(
 static void rtl8821ae_dm_check_rssi_monitor(struct ieee80211_hw *hw)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 	struct rtl_sta_info *drv_priv;
 	u8 h2c_parameter[3] = { 0 };
 	long tmp_entry_max_pwdb = 0, tmp_entry_min_pwdb = 0xff;
@@ -1131,12 +1125,6 @@ void rtl8812ae_dm_check_txpower_tracking_thermalmeter(
 	}
 }
 
-static void rtl8821ae_dm_dynamic_txpower(struct ieee80211_hw *hw)
-{
-	/* 8723BE does not support ODM_BB_DYNAMIC_TXPWR*/
-	return;
-}
-
 static void rtl8821ae_dm_iq_calibrate(struct ieee80211_hw *hw)
 {
 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
@@ -1166,107 +1154,6 @@ static void rtl8821ae_dm_iq_calibrate(struct ieee80211_hw *hw)
 }
 
 
-static void rtl8821ae_set_iqk_matrix(struct ieee80211_hw *hw,
-	u8 ofdm_index,
-	u8 rfpath,
-	long iqk_result_x,
-	long iqk_result_y)
-{
-	long ele_a = 0, ele_d, ele_c = 0, value32;
-
-	if (ofdm_index >= OFDM_TABLE_SIZE)
-		ofdm_index = OFDM_TABLE_SIZE - 1;
-	else if (ofdm_index < 0)
-		ofdm_index = 0;
-
-	ele_d = (ofdmswing_table[ofdm_index] & 0xFFC00000)>>22;
-
-	if (iqk_result_x != 0){
-		if ((iqk_result_x & 0x00000200) != 0)
-			iqk_result_x = iqk_result_x | 0xFFFFFC00;
-		ele_a = ((iqk_result_x * ele_d)>>8)&0x000003FF;
-
-		if ((iqk_result_y & 0x00000200) != 0)
-			iqk_result_y = iqk_result_y | 0xFFFFFC00;
-		ele_c = ((iqk_result_y * ele_d)>>8)&0x000003FF;
-
-		switch (rfpath){
-			case RF90_PATH_A:
-				value32 = (ele_d << 22)|((ele_c & 0x3F)<<16) | ele_a;
-				rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, MASKDWORD, value32);
-				value32 = (ele_c & 0x000003C0) >> 6;
-				rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, value32);
-				value32 = ((iqk_result_x * ele_d) >> 7) & 0x01;
-				rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(24), value32);
-				break;
-			default:
-				break;
-		}
-	} else {
-		switch (rfpath){
-			case RF90_PATH_A:
-				rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, MASKDWORD, ofdmswing_table[ofdm_index]);
-				rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, 0x00);
-				rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(24), 0x00);
-				break;
-			default:
-				break;
-		}
-	}
-}
-
-
-static void rtl8821ae_dm_tx_power_track_set_power(struct ieee80211_hw *hw,
-	enum pwr_track_control_method method,
-	u8 rfpath,
-	u8 channel_mapped_index)
-{
-	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	struct rtl_phy *rtlphy = &(rtlpriv->phy);
-	struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
-
-	if (method == TXAGC) {
-			rtl8821ae_phy_set_txpower_level(hw,rtlphy->current_channel);
-	} else if (method == BBSWING) {
-		if (rtldm->bb_swing_idx_cck >= CCK_TABLE_SIZE)
-			rtldm->bb_swing_idx_cck = CCK_TABLE_SIZE-1;
-		else if (rtldm->bb_swing_idx_cck < 0)
-			rtldm->bb_swing_idx_cck = 0;
-
-		if (!rtldm->b_cck_inch14) {
-			rtl_write_byte(rtlpriv, 0xa22, cckswing_table_ch1ch13[rtldm->bb_swing_idx_cck][0]);
-			rtl_write_byte(rtlpriv, 0xa23, cckswing_table_ch1ch13[rtldm->bb_swing_idx_cck][1]);
-			rtl_write_byte(rtlpriv, 0xa24, cckswing_table_ch1ch13[rtldm->bb_swing_idx_cck][2]);
-			rtl_write_byte(rtlpriv, 0xa25, cckswing_table_ch1ch13[rtldm->bb_swing_idx_cck][3]);
-			rtl_write_byte(rtlpriv, 0xa26, cckswing_table_ch1ch13[rtldm->bb_swing_idx_cck][4]);
-			rtl_write_byte(rtlpriv, 0xa27, cckswing_table_ch1ch13[rtldm->bb_swing_idx_cck][5]);
-			rtl_write_byte(rtlpriv, 0xa28, cckswing_table_ch1ch13[rtldm->bb_swing_idx_cck][6]);
-			rtl_write_byte(rtlpriv, 0xa29, cckswing_table_ch1ch13[rtldm->bb_swing_idx_cck][7]);
-		} else{
-			rtl_write_byte(rtlpriv, 0xa22, cckswing_table_ch14[rtldm->bb_swing_idx_cck][0]);
-			rtl_write_byte(rtlpriv, 0xa23, cckswing_table_ch14[rtldm->bb_swing_idx_cck][1]);
-			rtl_write_byte(rtlpriv, 0xa24, cckswing_table_ch14[rtldm->bb_swing_idx_cck][2]);
-			rtl_write_byte(rtlpriv, 0xa25, cckswing_table_ch14[rtldm->bb_swing_idx_cck][3]);
-			rtl_write_byte(rtlpriv, 0xa26, cckswing_table_ch14[rtldm->bb_swing_idx_cck][4]);
-			rtl_write_byte(rtlpriv, 0xa27, cckswing_table_ch14[rtldm->bb_swing_idx_cck][5]);
-			rtl_write_byte(rtlpriv, 0xa28, cckswing_table_ch14[rtldm->bb_swing_idx_cck][6]);
-			rtl_write_byte(rtlpriv, 0xa29, cckswing_table_ch14[rtldm->bb_swing_idx_cck][7]);
-		}
-
-		if (rfpath == RF90_PATH_A){
-			rtl8821ae_set_iqk_matrix(hw, rtldm->bb_swing_idx_ofdm[rfpath], rfpath,
-				rtlphy->iqk_matrix_regsetting[channel_mapped_index].value[0][0],
-				rtlphy->iqk_matrix_regsetting[channel_mapped_index].value[0][1]);
-		} else if (rfpath == RF90_PATH_B) {
-			rtl8821ae_set_iqk_matrix(hw, rtldm->bb_swing_idx_ofdm[rfpath], rfpath,
-				rtlphy->iqk_matrix_regsetting[channel_mapped_index].value[0][4],
-				rtlphy->iqk_matrix_regsetting[channel_mapped_index].value[0][5]);
-		}
-	} else {
-		return;
-	}
-}
-
 void rtl8812ae_get_delta_swing_table(
 	struct ieee80211_hw *hw,
 	u8 **temperature_up_a,
@@ -1323,8 +1210,6 @@ void rtl8812ae_phy_lccalibrate(
 	struct ieee80211_hw *hw)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	bool b_start_cont_tx = false, b_single_tone = false, b_carrier_suppression = false;
-
 
 	RT_TRACE(COMP_POWER_TRACKING, DBG_LOUD, ("===> rtl8812ae_phy_lccalibrate\n"));
 
@@ -1455,8 +1340,6 @@ void rtl8812ae_dm_txpwr_track_set_pwr(struct ieee80211_hw *hw,
 	u8 pwr_tracking_limit = 26; /*+1.0dB*/
 	u8 tx_rate = 0xFF;
 	char final_ofdm_swing_index = 0;
-	char final_cck_swing_index = 0;
-	u8 i = 0;
 
 	if(rtldm->tx_rate != 0xFF)
 		tx_rate = rtl8812ae_hw_rate_to_mrate(hw, rtldm->tx_rate);
@@ -2083,8 +1966,6 @@ void rtl8821ae_phy_lccalibrate(
 	struct ieee80211_hw *hw)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	bool b_start_cont_tx = false, b_single_tone = false, b_carrier_suppression = false;
-
 
 	RT_TRACE(COMP_POWER_TRACKING, DBG_LOUD, ("===> rtl8812ae_phy_lccalibrate\n"));
 
@@ -2119,8 +2000,6 @@ void rtl8821ae_dm_txpwr_track_set_pwr(struct ieee80211_hw *hw,
 	u8 pwr_tracking_limit = 26; /*+1.0dB*/
 	u8 tx_rate = 0xFF;
 	char final_ofdm_swing_index = 0;
-	char final_cck_swing_index = 0;
-	u8 i = 0;
 
 	if(rtldm->tx_rate != 0xFF)
 		tx_rate = rtl8812ae_hw_rate_to_mrate(hw, rtldm->tx_rate);
@@ -2806,7 +2685,7 @@ static void rtl8821ae_dm_check_edca_turbo(struct ieee80211_hw *hw)
 		rtlpriv->dm.bcurrent_turbo_edca = false;
 	}
 
-dm_CheckEdcaTurbo_EXIT:
+/* dm_CheckEdcaTurbo_EXIT: */
 	rtlpriv->dm.bis_any_nonbepkts = false;
 	rtldm->last_tx_ok_cnt = rtlpriv->stats.txbytesunicast;
 	rtldm->last_rx_ok_cnt = rtlpriv->stats.rxbytesunicast;
diff --git a/drivers/staging/rtl8821ae/rtl8821ae/fw.c b/drivers/staging/rtl8821ae/rtl8821ae/fw.c
index 89ce456c7ab9..4083cab926a3 100644
--- a/drivers/staging/rtl8821ae/rtl8821ae/fw.c
+++ b/drivers/staging/rtl8821ae/rtl8821ae/fw.c
@@ -1289,13 +1289,8 @@ void rtl8812ae_c2h_ra_report_handler(
 	u8 cmd_len
 )
 {
-	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
-
 	u8 rate = cmd_buf[0] & 0x3F;
-	u8 mac_id = cmd_buf[1];
-	bool b_ldpc = cmd_buf[2] & BIT(0);
-	bool b_tx_bf = (cmd_buf[2] & BIT(1)) >> 1;
 
 	rtlhal->current_ra_rate= rtl8812ae_hw_rate_to_mrate(hw, rate);
 
diff --git a/drivers/staging/rtl8821ae/rtl8821ae/phy.c b/drivers/staging/rtl8821ae/rtl8821ae/phy.c
index 2532b89e5764..09ffdc2e63a3 100644
--- a/drivers/staging/rtl8821ae/rtl8821ae/phy.c
+++ b/drivers/staging/rtl8821ae/rtl8821ae/phy.c
@@ -3088,40 +3088,6 @@ u8 rtl8821ae_phy_sw_chnl(struct ieee80211_hw *hw)
 	return 1;
 }
 
-static u8 _rtl8821ae_phy_path_a_iqk(struct ieee80211_hw *hw, bool config_pathb)
-{
-	u32 reg_eac, reg_e94, reg_e9c, reg_ea4;
-	u8 result = 0x00;
-
-	rtl_set_bbreg(hw, 0xe30, MASKDWORD, 0x10008c1c);
-	rtl_set_bbreg(hw, 0xe34, MASKDWORD, 0x30008c1c);
-	rtl_set_bbreg(hw, 0xe38, MASKDWORD, 0x8214032a);
-	rtl_set_bbreg(hw, 0xe3c, MASKDWORD, 0x28160000);
-
-	rtl_set_bbreg(hw, 0xe4c, MASKDWORD, 0x00462911);
-	rtl_set_bbreg(hw, 0xe48, MASKDWORD, 0xf9000000);
-	rtl_set_bbreg(hw, 0xe48, MASKDWORD, 0xf8000000);
-
-	mdelay(IQK_DELAY_TIME);
-
-	reg_eac = rtl_get_bbreg(hw, 0xeac, MASKDWORD);
-	reg_e94 = rtl_get_bbreg(hw, 0xe94, MASKDWORD);
-	reg_e9c = rtl_get_bbreg(hw, 0xe9c, MASKDWORD);
-	reg_ea4 = rtl_get_bbreg(hw, 0xea4, MASKDWORD);
-
-	if (!(reg_eac & BIT(28)) &&
-	    (((reg_e94 & 0x03FF0000) >> 16) != 0x142) &&
-	    (((reg_e9c & 0x03FF0000) >> 16) != 0x42))
-		result |= 0x01;
-	else
-		return result;
-/*
-	if (!(reg_eac & BIT(27)) &&
-	    (((reg_ea4 & 0x03FF0000) >> 16) != 0x132) &&
-	    (((reg_eac & 0x03FF0000) >> 16) != 0x36))
-		result |= 0x02;*/
-	return result;
-}
 #if 0
 static u8 _rtl8821ae_phy_path_b_iqk(struct ieee80211_hw *hw)
 {
@@ -3234,196 +3200,6 @@ static u8 _rtl8821ae_phy_path_a_rx_iqk(struct ieee80211_hw *hw, bool config_path
 	return result;
 }
 #endif
-static void _rtl8821ae_phy_path_a_fill_iqk_matrix(struct ieee80211_hw *hw,
-					       bool b_iqk_ok, long result[][8],
-					       u8 final_candidate, bool btxonly)
-{
-	u32 oldval_0, x, tx0_a, reg;
-	long y, tx0_c;
-
-	if (final_candidate == 0xFF) {
-		return;
-	} else if (b_iqk_ok) {
-		oldval_0 = (rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
-					  MASKDWORD) >> 22) & 0x3FF;
-		x = result[final_candidate][0];
-		if ((x & 0x00000200) != 0)
-			x = x | 0xFFFFFC00;
-		tx0_a = (x * oldval_0) >> 8;
-		rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 0x3FF, tx0_a);
-		rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(31),
-			      ((x * oldval_0 >> 7) & 0x1));
-		y = result[final_candidate][1];
-		if ((y & 0x00000200) != 0)
-			y = y | 0xFFFFFC00;
-		tx0_c = (y * oldval_0) >> 8;
-		rtl_set_bbreg(hw, ROFDM0_XCTXAFE, 0xF0000000,
-			      ((tx0_c & 0x3C0) >> 6));
-		rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 0x003F0000,
-			      (tx0_c & 0x3F));
-		rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(29),
-			      ((y * oldval_0 >> 7) & 0x1));
-		if (btxonly)
-			return;
-		reg = result[final_candidate][2];
-		rtl_set_bbreg(hw, ROFDM0_XARXIQIMBALANCE, 0x3FF, reg);
-		reg = result[final_candidate][3] & 0x3F;
-		rtl_set_bbreg(hw, ROFDM0_XARXIQIMBALANCE, 0xFC00, reg);
-		reg = (result[final_candidate][3] >> 6) & 0xF;
-		rtl_set_bbreg(hw, 0xca0, 0xF0000000, reg);
-	}
-}
-
-
-static void _rtl8821ae_phy_save_adda_registers(struct ieee80211_hw *hw,
-					    u32 *addareg, u32 *addabackup,
-					    u32 registernum)
-{
-	u32 i;
-
-	for (i = 0; i < registernum; i++)
-		addabackup[i] = rtl_get_bbreg(hw, addareg[i], MASKDWORD);
-}
-
-static void _rtl8821ae_phy_save_mac_registers(struct ieee80211_hw *hw,
-					   u32 *macreg, u32 *macbackup)
-{
-	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	u32 i;
-
-	for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++)
-		macbackup[i] = rtl_read_byte(rtlpriv, macreg[i]);
-	macbackup[i] = rtl_read_dword(rtlpriv, macreg[i]);
-}
-
-static void _rtl8821ae_phy_reload_adda_registers(struct ieee80211_hw *hw,
-					      u32 *addareg, u32 *addabackup,
-					      u32 regiesternum)
-{
-	u32 i;
-
-	for (i = 0; i < regiesternum; i++)
-		rtl_set_bbreg(hw, addareg[i], MASKDWORD, addabackup[i]);
-}
-
-static void _rtl8821ae_phy_reload_mac_registers(struct ieee80211_hw *hw,
-					     u32 *macreg, u32 *macbackup)
-{
-	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	u32 i;
-
-	for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++)
-		rtl_write_byte(rtlpriv, macreg[i], (u8) macbackup[i]);
-	rtl_write_dword(rtlpriv, macreg[i], macbackup[i]);
-}
-
-static void _rtl8821ae_phy_path_adda_on(struct ieee80211_hw *hw,
-				     u32 *addareg, bool is_patha_on, bool is2t)
-{
-	u32 pathOn;
-	u32 i;
-
-	pathOn = is_patha_on ? 0x04db25a4 : 0x0b1b25a4;
-	if (false == is2t) {
-		pathOn = 0x0bdb25a0;
-		rtl_set_bbreg(hw, addareg[0], MASKDWORD, 0x0b1b25a0);
-	} else {
-		rtl_set_bbreg(hw, addareg[0], MASKDWORD, pathOn);
-	}
-
-	for (i = 1; i < IQK_ADDA_REG_NUM; i++)
-		rtl_set_bbreg(hw, addareg[i], MASKDWORD, pathOn);
-}
-
-static void _rtl8821ae_phy_mac_setting_calibration(struct ieee80211_hw *hw,
-						u32 *macreg, u32 *macbackup)
-{
-	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	u32 i = 0;
-
-	rtl_write_byte(rtlpriv, macreg[i], 0x3F);
-
-	for (i = 1; i < (IQK_MAC_REG_NUM - 1); i++)
-		rtl_write_byte(rtlpriv, macreg[i],
-			       (u8) (macbackup[i] & (~BIT(3))));
-	rtl_write_byte(rtlpriv, macreg[i], (u8) (macbackup[i] & (~BIT(5))));
-}
-
-static void _rtl8821ae_phy_path_a_standby(struct ieee80211_hw *hw)
-{
-	rtl_set_bbreg(hw, 0xe28, MASKDWORD, 0x0);
-	rtl_set_bbreg(hw, 0x840, MASKDWORD, 0x00010000);
-	rtl_set_bbreg(hw, 0xe28, MASKDWORD, 0x80800000);
-}
-
-static void _rtl8821ae_phy_pi_mode_switch(struct ieee80211_hw *hw, bool pi_mode)
-{
-	u32 mode;
-
-	mode = pi_mode ? 0x01000100 : 0x01000000;
-	rtl_set_bbreg(hw, 0x820, MASKDWORD, mode);
-	rtl_set_bbreg(hw, 0x828, MASKDWORD, mode);
-}
-
-static bool _rtl8821ae_phy_simularity_compare(struct ieee80211_hw *hw,
-					   long result[][8], u8 c1, u8 c2)
-{
-	u32 i, j, diff, simularity_bitmap, bound;
-	//struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
-
-	u8 final_candidate[2] = { 0xFF, 0xFF };
-	bool bresult = true, is2t = true;//= IS_92C_SERIAL(rtlhal->version);
-
-	if (is2t)
-		bound = 8;
-	else
-		bound = 4;
-
-	simularity_bitmap = 0;
-
-	for (i = 0; i < bound; i++) {
-		diff = (result[c1][i] > result[c2][i]) ?
-		    (result[c1][i] - result[c2][i]) :
-		    (result[c2][i] - result[c1][i]);
-
-		if (diff > MAX_TOLERANCE) {
-			if ((i == 2 || i == 6) && !simularity_bitmap) {
-				if (result[c1][i] + result[c1][i + 1] == 0)
-					final_candidate[(i / 4)] = c2;
-				else if (result[c2][i] + result[c2][i + 1] == 0)
-					final_candidate[(i / 4)] = c1;
-				else
-					simularity_bitmap = simularity_bitmap |
-					    (1 << i);
-			} else
-				simularity_bitmap =
-				    simularity_bitmap | (1 << i);
-		}
-	}
-
-	if (simularity_bitmap == 0) {
-		for (i = 0; i < (bound / 4); i++) {
-			if (final_candidate[i] != 0xFF) {
-				for (j = i * 4; j < (i + 1) * 4 - 2; j++)
-					result[3][j] =
-					    result[final_candidate[i]][j];
-				bresult = false;
-			}
-		}
-		return bresult;
-	} else if (!(simularity_bitmap & 0x0F)) {
-		for (i = 0; i < 4; i++)
-			result[3][i] = result[c1][i];
-		return false;
-	} else if (!(simularity_bitmap & 0xF0) && is2t) {
-		for (i = 4; i < 8; i++)
-			result[3][i] = result[c1][i];
-		return false;
-	} else {
-		return false;
-	}
-
-}
 
 u8 _rtl8812ae_get_right_chnl_place_for_iqk(u8 chnl)
 {
@@ -3640,7 +3416,7 @@ void _rtl8812ae_iqk_tx(
 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 
-	u8 delay_count, cal = 0;
+	u8 delay_count;
 	u8 cal0_retry, cal1_retry;
 	u8 tx0_average = 0, tx1_average = 0, rx0_average = 0, rx1_average = 0;
     	int tx0_x = 0, tx0_y = 0, rx0_x = 0, rx0_y = 0;
@@ -3651,7 +3427,7 @@ void _rtl8812ae_iqk_tx(
 	bool iqk0_ready = false, tx0_finish = false, rx0_finish = false;
 	bool tx1iqkok = false, rx1iqkok = false, tx1_fail = true, rx1_fail;
 	bool iqk1_ready = false, tx1_finish = false, rx1_finish = false, vdf_enable = false;
-	int i, k, vdf_y[3], vdf_x[3], tx_dt[3], rx_dt[3], ii, dx = 0, dy = 0, dt = 0;
+	int i, tx_dt[3], rx_dt[3], ii, dx = 0, dy = 0;
 
 	RT_TRACE(COMP_IQK, DBG_LOUD,
 			("BandWidth = %d.\n",
diff --git a/drivers/staging/rtl8821ae/rtl8821ae/trx.c b/drivers/staging/rtl8821ae/rtl8821ae/trx.c
index 6a172c93f40d..2c797878567d 100644
--- a/drivers/staging/rtl8821ae/rtl8821ae/trx.c
+++ b/drivers/staging/rtl8821ae/rtl8821ae/trx.c
@@ -538,7 +538,6 @@ bool rtl8821ae_rx_query_desc(struct ieee80211_hw *hw,
 			   u8 *pdesc, struct sk_buff *skb)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
 	struct rx_fwinfo_8821ae *p_drvinfo;
 	struct ieee80211_hdr *hdr;