staging: rtl8821ae: Fix halbtc8192e2ant.c 'should it be static?' sparse warnings

In halbtc8192e2ant.c, fix all instances of the sparse warning:

warning: symbol 'xxx' was not declared. Should it be static?

Signed-off-by: Mark Einon <mark@einon.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8821ae/btcoexist/halbtc8192e2ant.c b/drivers/staging/rtl8821ae/btcoexist/halbtc8192e2ant.c
index f1b8f4fca7987f9d812106182ce248d51ef6a067..dae372d74b1ce3a56ce3b7cd05f5bbacee6eb04e 100644 (file)
--- a/drivers/staging/rtl8821ae/btcoexist/halbtc8192e2ant.c
+++ b/drivers/staging/rtl8821ae/btcoexist/halbtc8192e2ant.c
@@ -21,14 +21,14 @@ static struct coex_dm_8192e_2ant *coex_dm = &glcoex_dm_8192e_2ant;
 static struct coex_sta_8192e_2ant glcoex_sta_8192e_2ant;
 static struct coex_sta_8192e_2ant *coex_sta = &glcoex_sta_8192e_2ant;
 
-const char *const GLBtInfoSrc8192e2Ant[]={
+static const char *const GLBtInfoSrc8192e2Ant[]={
        "BT Info[wifi fw]",
        "BT Info[bt rsp]",
        "BT Info[bt auto report]",
 };
 
-u32 glcoex_ver_date_8192e_2ant = 20130902;
-u32 glcoex_ver_8192e_2ant = 0x34;
+static u32 glcoex_ver_date_8192e_2ant = 20130902;
+static u32 glcoex_ver_8192e_2ant = 0x34;
 
 /**************************************************************
  *   local function proto type if needed
@@ -36,7 +36,8 @@ u32 glcoex_ver_8192e_2ant = 0x34;
 /**************************************************************
  *   local function start with halbtc8192e2ant_
  **************************************************************/
-u8 halbtc8192e2ant_btrssi_state(u8 level_num, u8 rssi_thresh, u8 rssi_thresh1)
+static u8 halbtc8192e2ant_btrssi_state(u8 level_num, u8 rssi_thresh,
+                                      u8 rssi_thresh1)
 {
        int btrssi=0;
        u8 btrssi_state = coex_sta->pre_bt_rssi_state;
@@ -132,8 +133,9 @@ u8 halbtc8192e2ant_btrssi_state(u8 level_num, u8 rssi_thresh, u8 rssi_thresh1)
        return btrssi_state;
 }
 
-u8 halbtc8192e2ant_wifirssi_state(struct btc_coexist * btcoexist, u8 index,
-                                 u8 level_num, u8 rssi_thresh, u8 rssi_thresh1)
+static u8 halbtc8192e2ant_wifirssi_state(struct btc_coexist * btcoexist,
+                                        u8 index, u8 level_num,
+                                        u8 rssi_thresh, u8 rssi_thresh1)
 {
        int wifirssi = 0;
        u8 wifirssi_state = coex_sta->pre_wifi_rssi_state[index];
@@ -234,7 +236,7 @@ u8 halbtc8192e2ant_wifirssi_state(struct btc_coexist * btcoexist, u8 index,
        return wifirssi_state;
 }
 
-void halbtc8192e2ant_monitor_bt_enable_disable(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_monitor_bt_enable_disable(struct btc_coexist *btcoexist)
 {
        static bool pre_bt_disabled = false;
        static u32 bt_disable_cnt = 0;
@@ -283,7 +285,7 @@ void halbtc8192e2ant_monitor_bt_enable_disable(struct btc_coexist *btcoexist)
        }
 }
 
-u32 halbtc8192e2ant_decidera_mask(struct btc_coexist *btcoexist,
+static u32 halbtc8192e2ant_decidera_mask(struct btc_coexist *btcoexist,
                                  u8 sstype, u32 ra_masktype)
 {
        u32 disra_mask = 0x0;
@@ -314,8 +316,8 @@ u32 halbtc8192e2ant_decidera_mask(struct btc_coexist *btcoexist,
        return disra_mask;
 }
 
-void halbtc8192e2ant_Updatera_mask(struct btc_coexist *btcoexist,
-                                  bool force_exec, u32 dis_ratemask)
+static void halbtc8192e2ant_Updatera_mask(struct btc_coexist *btcoexist,
+                                         bool force_exec, u32 dis_ratemask)
 {
        coex_dm->curra_mask = dis_ratemask;
 
@@ -325,8 +327,8 @@ void halbtc8192e2ant_Updatera_mask(struct btc_coexist *btcoexist,
        coex_dm->prera_mask = coex_dm->curra_mask;
 }
 
-void halbtc8192e2ant_autorate_fallback_retry(struct btc_coexist *btcoexist,
-                                            bool force_exec, u8 type)
+static void halbtc8192e2ant_autorate_fallback_retry(struct btc_coexist *btcoexist,
+                                                   bool force_exec, u8 type)
 {
        bool wifi_under_bmode = false;
 
@@ -364,8 +366,8 @@ void halbtc8192e2ant_autorate_fallback_retry(struct btc_coexist *btcoexist,
        coex_dm->pre_arfrtype = coex_dm->cur_arfrtype;
 }
 
-void halbtc8192e2ant_retrylimit(struct btc_coexist *btcoexist,
-                               bool force_exec, u8 type)
+static void halbtc8192e2ant_retrylimit(struct btc_coexist *btcoexist,
+                                      bool force_exec, u8 type)
 {
        coex_dm->cur_retrylimit_type = type;
 
@@ -388,8 +390,8 @@ void halbtc8192e2ant_retrylimit(struct btc_coexist *btcoexist,
        coex_dm->pre_retrylimit_type = coex_dm->cur_retrylimit_type;
 }
 
-void halbtc8192e2ant_ampdu_maxtime(struct btc_coexist *btcoexist,
-                                  bool force_exec, u8 type)
+static void halbtc8192e2ant_ampdu_maxtime(struct btc_coexist *btcoexist,
+                                         bool force_exec, u8 type)
 {
        coex_dm->cur_ampdutime_type = type;
 
@@ -411,9 +413,10 @@ void halbtc8192e2ant_ampdu_maxtime(struct btc_coexist *btcoexist,
        coex_dm->pre_ampdutime_type = coex_dm->cur_ampdutime_type;
 }
 
-void halbtc8192e2ant_limited_tx(struct btc_coexist *btcoexist,
-                               bool force_exec, u8 ra_masktype, u8 arfr_type,
-                               u8 retrylimit_type, u8 ampdutime_type)
+static void halbtc8192e2ant_limited_tx(struct btc_coexist *btcoexist,
+                                      bool force_exec, u8 ra_masktype,
+                                      u8 arfr_type, u8 retrylimit_type,
+                                      u8 ampdutime_type)
 {
        u32 disra_mask = 0x0;
 
@@ -429,10 +432,10 @@ void halbtc8192e2ant_limited_tx(struct btc_coexist *btcoexist,
        halbtc8192e2ant_ampdu_maxtime(btcoexist, force_exec, ampdutime_type);
 }
 
-void halbtc8192e2ant_limited_rx(struct btc_coexist *btcoexist,
-                               bool force_exec, bool rej_ap_agg_pkt,
-                               bool b_bt_ctrl_agg_buf_size,
-                               u8 agg_buf_size)
+static void halbtc8192e2ant_limited_rx(struct btc_coexist *btcoexist,
+                                      bool force_exec, bool rej_ap_agg_pkt,
+                                      bool b_bt_ctrl_agg_buf_size,
+                                      u8 agg_buf_size)
 {
        bool reject_rx_agg = rej_ap_agg_pkt;
        bool bt_ctrl_rx_agg_size = b_bt_ctrl_agg_buf_size;
@@ -455,7 +458,7 @@ void halbtc8192e2ant_limited_rx(struct btc_coexist *btcoexist,
 
 }
 
-void halbtc8192e2ant_monitor_bt_ctr(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_monitor_bt_ctr(struct btc_coexist *btcoexist)
 {
        u32 reg_hp_txrx, reg_lp_txrx, u32tmp;
        u32 reg_hp_tx = 0, reg_hp_rx = 0, reg_lp_tx = 0, reg_lp_rx = 0;
@@ -487,7 +490,7 @@ void halbtc8192e2ant_monitor_bt_ctr(struct btc_coexist *btcoexist)
        btcoexist->btc_write_1byte(btcoexist, 0x76e, 0xc);
 }
 
-void halbtc8192e2ant_querybt_info(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_querybt_info(struct btc_coexist *btcoexist)
 {
        u8 h2c_parameter[1] ={0};
 
@@ -502,7 +505,7 @@ void halbtc8192e2ant_querybt_info(struct btc_coexist *btcoexist)
        btcoexist->btc_fill_h2c(btcoexist, 0x61, 1, h2c_parameter);
 }
 
-bool halbtc8192e2ant_iswifi_status_changed(struct btc_coexist *btcoexist)
+static bool halbtc8192e2ant_iswifi_status_changed(struct btc_coexist *btcoexist)
 {
        static bool pre_wifi_busy = false;
        static bool pre_under_4way = false, pre_bt_hson = false;
@@ -534,7 +537,7 @@ bool halbtc8192e2ant_iswifi_status_changed(struct btc_coexist *btcoexist)
        return false;
 }
 
-void halbtc8192e2ant_update_btlink_info(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_update_btlink_info(struct btc_coexist *btcoexist)
 {
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;
        bool bt_hson = false;
@@ -590,7 +593,7 @@ void halbtc8192e2ant_update_btlink_info(struct btc_coexist *btcoexist)
                bt_link_info->hid_only = false;
 }
 
-u8 halbtc8192e2ant_action_algorithm(struct btc_coexist *btcoexist)
+static u8 halbtc8192e2ant_action_algorithm(struct btc_coexist *btcoexist)
 {
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;
        struct btc_stack_info *stack_info = &btcoexist->stack_info;
@@ -777,8 +780,8 @@ u8 halbtc8192e2ant_action_algorithm(struct btc_coexist *btcoexist)
        return algorithm;
 }
 
-void halbtc8192e2ant_setfw_dac_swinglevel(struct btc_coexist *btcoexist,
-                                         u8 dac_swinglvl)
+static void halbtc8192e2ant_setfw_dac_swinglevel(struct btc_coexist *btcoexist,
+                                                u8 dac_swinglvl)
 {
        u8 h2c_parameter[1] ={0};
 
@@ -794,8 +797,8 @@ void halbtc8192e2ant_setfw_dac_swinglevel(struct btc_coexist *btcoexist,
        btcoexist->btc_fill_h2c(btcoexist, 0x64, 1, h2c_parameter);
 }
 
-void halbtc8192e2ant_set_fwdec_btpwr(struct btc_coexist *btcoexist,
-                                    u8 dec_btpwr_lvl)
+static void halbtc8192e2ant_set_fwdec_btpwr(struct btc_coexist *btcoexist,
+                                           u8 dec_btpwr_lvl)
 {
        u8 h2c_parameter[1] ={0};
 
@@ -808,8 +811,8 @@ void halbtc8192e2ant_set_fwdec_btpwr(struct btc_coexist *btcoexist,
        btcoexist->btc_fill_h2c(btcoexist, 0x62, 1, h2c_parameter);
 }
 
-void halbtc8192e2ant_dec_btpwr(struct btc_coexist *btcoexist,
-                              bool force_exec, u8 dec_btpwr_lvl)
+static void halbtc8192e2ant_dec_btpwr(struct btc_coexist *btcoexist,
+                                     bool force_exec, u8 dec_btpwr_lvl)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_FW,
                  "[BTCoex], %s Dec BT power level = %d\n",
@@ -826,8 +829,8 @@ void halbtc8192e2ant_dec_btpwr(struct btc_coexist *btcoexist,
        coex_dm->pre_dec_bt_pwr = coex_dm->cur_dec_bt_pwr;
 }
 
-void halbtc8192e2ant_set_bt_autoreport(struct btc_coexist *btcoexist,
-                                      bool enable_autoreport)
+static void halbtc8192e2ant_set_bt_autoreport(struct btc_coexist *btcoexist,
+                                             bool enable_autoreport)
 {
        u8 h2c_parameter[1] ={0};
 
@@ -844,8 +847,9 @@ void halbtc8192e2ant_set_bt_autoreport(struct btc_coexist *btcoexist,
        btcoexist->btc_fill_h2c(btcoexist, 0x68, 1, h2c_parameter);
 }
 
-void halbtc8192e2ant_bt_autoreport(struct btc_coexist *btcoexist,
-                                  bool force_exec, bool enable_autoreport)
+static void halbtc8192e2ant_bt_autoreport(struct btc_coexist *btcoexist,
+                                         bool force_exec,
+                                         bool enable_autoreport)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_FW,
                  "[BTCoex], %s BT Auto report = %s\n",
@@ -868,8 +872,8 @@ void halbtc8192e2ant_bt_autoreport(struct btc_coexist *btcoexist,
        coex_dm->pre_bt_auto_report = coex_dm->cur_bt_auto_report;
 }
 
-void halbtc8192e2ant_fw_dac_swinglvl(struct btc_coexist *btcoexist,
-                                    bool force_exec, u8 fw_dac_swinglvl)
+static void halbtc8192e2ant_fw_dac_swinglvl(struct btc_coexist *btcoexist,
+                                           bool force_exec, u8 fw_dac_swinglvl)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_FW,
                  "[BTCoex], %s set FW Dac Swing level = %d\n",
@@ -893,8 +897,8 @@ void halbtc8192e2ant_fw_dac_swinglvl(struct btc_coexist *btcoexist,
        coex_dm->pre_fw_dac_swing_lvl = coex_dm->cur_fw_dac_swing_lvl;
 }
 
-void halbtc8192e2ant_set_sw_rf_rx_lpf_corner(struct btc_coexist *btcoexist,
-                                            bool rx_rf_shrink_on)
+static void halbtc8192e2ant_set_sw_rf_rx_lpf_corner(struct btc_coexist *btcoexist,
+                                                   bool rx_rf_shrink_on)
 {
        if (rx_rf_shrink_on) {
                /* Shrink RF Rx LPF corner */
@@ -915,8 +919,8 @@ void halbtc8192e2ant_set_sw_rf_rx_lpf_corner(struct btc_coexist *btcoexist,
        }
 }
 
-void halbtc8192e2ant_rf_shrink(struct btc_coexist *btcoexist,
-                              bool force_exec, bool rx_rf_shrink_on)
+static void halbtc8192e2ant_rf_shrink(struct btc_coexist *btcoexist,
+                                     bool force_exec, bool rx_rf_shrink_on)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_SW,
                  "[BTCoex], %s turn Rx RF Shrink = %s\n",
@@ -939,7 +943,7 @@ void halbtc8192e2ant_rf_shrink(struct btc_coexist *btcoexist,
        coex_dm->pre_rf_rx_lpf_shrink = coex_dm->cur_rf_rx_lpf_shrink;
 }
 
-void halbtc8192e2ant_set_sw_penalty_tx_rateadaptive(
+static void halbtc8192e2ant_set_sw_penalty_tx_rateadaptive(
                                                struct btc_coexist *btcoexist,
                                                bool low_penalty_ra)
 {
@@ -963,8 +967,8 @@ void halbtc8192e2ant_set_sw_penalty_tx_rateadaptive(
        btcoexist->btc_fill_h2c(btcoexist, 0x69, 6, h2c_parameter);
 }
 
-void halbtc8192e2ant_low_penalty_ra(struct btc_coexist *btcoexist,
-                                   bool force_exec, bool low_penalty_ra)
+static void halbtc8192e2ant_low_penalty_ra(struct btc_coexist *btcoexist,
+                                          bool force_exec, bool low_penalty_ra)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_SW,
                  "[BTCoex], %s turn LowPenaltyRA = %s\n",
@@ -987,8 +991,8 @@ void halbtc8192e2ant_low_penalty_ra(struct btc_coexist *btcoexist,
        coex_dm->pre_low_penalty_ra = coex_dm->cur_low_penalty_ra;
 }
 
-void halbtc8192e2ant_set_dac_swingreg(struct btc_coexist *btcoexist,
-                                     u32 level)
+static void halbtc8192e2ant_set_dac_swingreg(struct btc_coexist *btcoexist,
+                                            u32 level)
 {
        u8 val = (u8)level;
 
@@ -997,9 +1001,9 @@ void halbtc8192e2ant_set_dac_swingreg(struct btc_coexist *btcoexist,
        btcoexist->btc_write_1byte_bitmask(btcoexist, 0x883, 0x3e, val);
 }
 
-void halbtc8192e2ant_setsw_fulltime_dacswing(struct btc_coexist *btcoexist,
-                                            bool sw_dac_swingon,
-                                            u32 sw_dac_swinglvl)
+static void halbtc8192e2ant_setsw_fulltime_dacswing(struct btc_coexist *btcoexist,
+                                                   bool sw_dac_swingon,
+                                                   u32 sw_dac_swinglvl)
 {
        if (sw_dac_swingon)
                halbtc8192e2ant_set_dac_swingreg(btcoexist, sw_dac_swinglvl);
@@ -1007,10 +1011,9 @@ void halbtc8192e2ant_setsw_fulltime_dacswing(struct btc_coexist *btcoexist,
                halbtc8192e2ant_set_dac_swingreg(btcoexist, 0x18);
 }
 
-
-void halbtc8192e2ant_DacSwing(struct btc_coexist *btcoexist,
-                             bool force_exec, bool dac_swingon,
-                             u32 dac_swinglvl)
+static void halbtc8192e2ant_DacSwing(struct btc_coexist *btcoexist,
+                                    bool force_exec, bool dac_swingon,
+                                    u32 dac_swinglvl)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_SW,
                  "[BTCoex], %s turn DacSwing=%s, dac_swinglvl=0x%x\n",
@@ -1041,8 +1044,8 @@ void halbtc8192e2ant_DacSwing(struct btc_coexist *btcoexist,
        coex_dm->pre_dac_swing_lvl = coex_dm->cur_dac_swing_lvl;
 }
 
-void halbtc8192e2ant_set_agc_table(struct btc_coexist *btcoexist,
-                                  bool agc_table_en)
+static void halbtc8192e2ant_set_agc_table(struct btc_coexist *btcoexist,
+                                         bool agc_table_en)
 {
 
        /* BB AGC Gain Table */
@@ -1067,8 +1070,8 @@ void halbtc8192e2ant_set_agc_table(struct btc_coexist *btcoexist,
        }
 }
 
-void halbtc8192e2ant_AgcTable(struct btc_coexist *btcoexist,
-                             bool force_exec, bool agc_table_en)
+static void halbtc8192e2ant_AgcTable(struct btc_coexist *btcoexist,
+                                    bool force_exec, bool agc_table_en)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_SW,
                  "[BTCoex], %s %s Agc Table\n",
@@ -1089,9 +1092,9 @@ void halbtc8192e2ant_AgcTable(struct btc_coexist *btcoexist,
        coex_dm->pre_agc_table_en = coex_dm->cur_agc_table_en;
 }
 
-void halbtc8192e2ant_set_coex_table(struct btc_coexist *btcoexist,
-                                   u32 val0x6c0, u32 val0x6c4,
-                                   u32 val0x6c8, u8 val0x6cc)
+static void halbtc8192e2ant_set_coex_table(struct btc_coexist *btcoexist,
+                                          u32 val0x6c0, u32 val0x6c4,
+                                          u32 val0x6c8, u8 val0x6cc)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_SW_EXEC,
                  "[BTCoex], set coex table, set 0x6c0=0x%x\n", val0x6c0);
@@ -1110,9 +1113,10 @@ void halbtc8192e2ant_set_coex_table(struct btc_coexist *btcoexist,
        btcoexist->btc_write_1byte(btcoexist, 0x6cc, val0x6cc);
 }
 
-void halbtc8192e2ant_coex_table(struct btc_coexist *btcoexist, bool force_exec,
-                               u32 val0x6c0, u32 val0x6c4,
-                               u32 val0x6c8, u8 val0x6cc)
+static void halbtc8192e2ant_coex_table(struct btc_coexist *btcoexist,
+                                      bool force_exec,
+                                      u32 val0x6c0, u32 val0x6c4,
+                                      u32 val0x6c8, u8 val0x6cc)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_SW,
                  "[BTCoex], %s write Coex Table 0x6c0=0x%x, ",
@@ -1154,8 +1158,8 @@ void halbtc8192e2ant_coex_table(struct btc_coexist *btcoexist, bool force_exec,
        coex_dm->pre_val0x6cc = coex_dm->cur_val0x6cc;
 }
 
-void halbtc8192e2ant_coex_table_with_type(struct btc_coexist *btcoexist,
-                                         bool force_exec, u8 type)
+static void halbtc8192e2ant_coex_table_with_type(struct btc_coexist *btcoexist,
+                                                bool force_exec, u8 type)
 {
        switch (type) {
        case 0:
@@ -1183,8 +1187,8 @@ void halbtc8192e2ant_coex_table_with_type(struct btc_coexist *btcoexist,
        }
 }
 
-void halbtc8192e2ant_set_fw_ignore_wlanact(struct btc_coexist *btcoexist,
-                                          bool enable)
+static void halbtc8192e2ant_set_fw_ignore_wlanact(struct btc_coexist *btcoexist,
+                                                 bool enable)
 {
        u8 h2c_parameter[1] ={0};
 
@@ -1198,8 +1202,8 @@ void halbtc8192e2ant_set_fw_ignore_wlanact(struct btc_coexist *btcoexist,
        btcoexist->btc_fill_h2c(btcoexist, 0x63, 1, h2c_parameter);
 }
 
-void halbtc8192e2ant_IgnoreWlanAct(struct btc_coexist *btcoexist,
-                                  bool force_exec, bool enable)
+static void halbtc8192e2ant_IgnoreWlanAct(struct btc_coexist *btcoexist,
+                                         bool force_exec, bool enable)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_FW,
                  "[BTCoex], %s turn Ignore WlanAct %s\n",
@@ -1223,8 +1227,8 @@ void halbtc8192e2ant_IgnoreWlanAct(struct btc_coexist *btcoexist,
        coex_dm->pre_ignore_wlan_act = coex_dm->cur_ignore_wlan_act;
 }
 
-void halbtc8192e2ant_SetFwPstdma(struct btc_coexist *btcoexist, u8 byte1,
-                                u8 byte2, u8 byte3, u8 byte4, u8 byte5)
+static void halbtc8192e2ant_SetFwPstdma(struct btc_coexist *btcoexist, u8 byte1,
+                                       u8 byte2, u8 byte3, u8 byte4, u8 byte5)
 {
        u8 h2c_parameter[5] ={0};
 
@@ -1249,24 +1253,28 @@ void halbtc8192e2ant_SetFwPstdma(struct btc_coexist *btcoexist, u8 byte1,
        btcoexist->btc_fill_h2c(btcoexist, 0x60, 5, h2c_parameter);
 }
 
-void halbtc8192e2ant_sw_mechanism1(struct btc_coexist *btcoexist,
-                                  bool shrink_rx_lpf, bool low_penalty_ra,
-                                  bool limited_dig, bool btlan_constrain)
+static void halbtc8192e2ant_sw_mechanism1(struct btc_coexist *btcoexist,
+                                         bool shrink_rx_lpf,
+                                         bool low_penalty_ra,
+                                         bool limited_dig,
+                                         bool btlan_constrain)
 {
        halbtc8192e2ant_rf_shrink(btcoexist, NORMAL_EXEC, shrink_rx_lpf);
 }
 
-void halbtc8192e2ant_sw_mechanism2(struct btc_coexist *btcoexist,
-                                  bool agc_table_shift, bool adc_backoff,
-                                  bool sw_dac_swing, u32 dac_swinglvl)
+static void halbtc8192e2ant_sw_mechanism2(struct btc_coexist *btcoexist,
+                                         bool agc_table_shift,
+                                         bool adc_backoff,
+                                         bool sw_dac_swing,
+                                         u32 dac_swinglvl)
 {
        halbtc8192e2ant_AgcTable(btcoexist, NORMAL_EXEC, agc_table_shift);
        halbtc8192e2ant_DacSwing(btcoexist, NORMAL_EXEC, sw_dac_swing,
                                 dac_swinglvl);
 }
 
-void halbtc8192e2ant_ps_tdma(struct btc_coexist *btcoexist,
-                            bool force_exec, bool turn_on, u8 type)
+static void halbtc8192e2ant_ps_tdma(struct btc_coexist *btcoexist,
+                                   bool force_exec, bool turn_on, u8 type)
 {
 
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE_FW,
@@ -1402,7 +1410,8 @@ void halbtc8192e2ant_ps_tdma(struct btc_coexist *btcoexist,
        coex_dm->pre_ps_tdma = coex_dm->cur_ps_tdma;
 }
 
-void halbtc8192e2ant_set_switch_sstype(struct btc_coexist *btcoexist, u8 sstype)
+static void halbtc8192e2ant_set_switch_sstype(struct btc_coexist *btcoexist,
+                                             u8 sstype)
 {
        u8 mimops = BTC_MIMO_PS_DYNAMIC;
        u32 disra_mask = 0x0;
@@ -1437,7 +1446,7 @@ void halbtc8192e2ant_set_switch_sstype(struct btc_coexist *btcoexist, u8 sstype)
        btcoexist->btc_set(btcoexist, BTC_SET_ACT_SEND_MIMO_PS, &mimops);
 }
 
-void halbtc8192e2ant_switch_sstype(struct btc_coexist *btcoexist,
+static void halbtc8192e2ant_switch_sstype(struct btc_coexist *btcoexist,
                                   bool force_exec, u8 new_sstype)
 {
        BTC_PRINT(BTC_MSG_ALGORITHM, ALGO_TRACE,
@@ -1454,7 +1463,7 @@ void halbtc8192e2ant_switch_sstype(struct btc_coexist *btcoexist,
        coex_dm->pre_sstype = coex_dm->cur_sstype;
 }
 
-void halbtc8192e2ant_coex_alloff(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_coex_alloff(struct btc_coexist *btcoexist)
 {
        /* fw all off */
        halbtc8192e2ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 1);
@@ -1469,7 +1478,7 @@ void halbtc8192e2ant_coex_alloff(struct btc_coexist *btcoexist)
        halbtc8192e2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 0);
 }
 
-void halbtc8192e2ant_init_coex_dm(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_init_coex_dm(struct btc_coexist *btcoexist)
 {
        /* force to reset coex mechanism */
 
@@ -1484,7 +1493,7 @@ void halbtc8192e2ant_init_coex_dm(struct btc_coexist *btcoexist)
        halbtc8192e2ant_sw_mechanism2(btcoexist, false, false, false, 0x18);
 }
 
-void halbtc8192e2ant_action_bt_inquiry(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_bt_inquiry(struct btc_coexist *btcoexist)
 {
        bool low_pwr_disable = true;
 
@@ -1502,7 +1511,7 @@ void halbtc8192e2ant_action_bt_inquiry(struct btc_coexist *btcoexist)
        halbtc8192e2ant_sw_mechanism2(btcoexist, false, false, false, 0x18);
 }
 
-bool halbtc8192e2ant_is_common_action(struct btc_coexist *btcoexist)
+static bool halbtc8192e2ant_is_common_action(struct btc_coexist *btcoexist)
 {
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;
        bool common = false, wifi_connected = false, wifi_busy = false;
@@ -1647,9 +1656,9 @@ bool halbtc8192e2ant_is_common_action(struct btc_coexist *btcoexist)
        return common;
 }
 
-void halbtc8192e2ant_tdma_duration_adjust(struct btc_coexist *btcoexist,
-                                         bool sco_hid, bool tx_pause,
-                                         u8 max_interval)
+static void halbtc8192e2ant_tdma_duration_adjust(struct btc_coexist *btcoexist,
+                                                bool sco_hid, bool tx_pause,
+                                                u8 max_interval)
 {
        static int up, dn, m, n, wait_cnt;
        /* 0: no change, +1: increase WiFi duration,
@@ -2704,7 +2713,7 @@ void halbtc8192e2ant_tdma_duration_adjust(struct btc_coexist *btcoexist,
 }
 
 /* SCO only or SCO+PAN(HS) */
-void halbtc8192e2ant_action_sco(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_sco(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state = BTC_RSSI_STATE_STAY_LOW;
        u32 wifi_bw;
@@ -2766,7 +2775,7 @@ void halbtc8192e2ant_action_sco(struct btc_coexist *btcoexist)
        }
 }
 
-void halbtc8192e2ant_action_sco_pan(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_sco_pan(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state = BTC_RSSI_STATE_STAY_LOW;
        u32 wifi_bw;
@@ -2828,7 +2837,7 @@ void halbtc8192e2ant_action_sco_pan(struct btc_coexist *btcoexist)
        }
 }
 
-void halbtc8192e2ant_action_hid(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_hid(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state=BTC_RSSI_STATE_HIGH;
        u32 wifi_bw;
@@ -2890,7 +2899,7 @@ void halbtc8192e2ant_action_hid(struct btc_coexist *btcoexist)
 }
 
 /* A2DP only / PAN(EDR) only/ A2DP+PAN(HS) */
-void halbtc8192e2ant_action_a2dp(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_a2dp(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state = BTC_RSSI_STATE_HIGH;
        u32 wifi_bw;
@@ -2979,7 +2988,7 @@ void halbtc8192e2ant_action_a2dp(struct btc_coexist *btcoexist)
        }
 }
 
-void halbtc8192e2ant_action_a2dp_pan_hs(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_a2dp_pan_hs(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state = BTC_RSSI_STATE_HIGH;
        u32 wifi_bw;
@@ -3040,7 +3049,7 @@ void halbtc8192e2ant_action_a2dp_pan_hs(struct btc_coexist *btcoexist)
        }
 }
 
-void halbtc8192e2ant_action_pan_edr(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_pan_edr(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state = BTC_RSSI_STATE_HIGH;
        u32 wifi_bw;
@@ -3101,7 +3110,7 @@ void halbtc8192e2ant_action_pan_edr(struct btc_coexist *btcoexist)
 }
 
 /* PAN(HS) only */
-void halbtc8192e2ant_action_pan_hs(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_pan_hs(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state = BTC_RSSI_STATE_HIGH;
        u32 wifi_bw;
@@ -3159,7 +3168,7 @@ void halbtc8192e2ant_action_pan_hs(struct btc_coexist *btcoexist)
 }
 
 /* PAN(EDR)+A2DP */
-void halbtc8192e2ant_action_pan_edr_a2dp(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_pan_edr_a2dp(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state=BTC_RSSI_STATE_HIGH;
        u32 wifi_bw;
@@ -3222,7 +3231,7 @@ void halbtc8192e2ant_action_pan_edr_a2dp(struct btc_coexist *btcoexist)
        }
 }
 
-void halbtc8192e2ant_action_pan_edr_hid(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_pan_edr_hid(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state = BTC_RSSI_STATE_HIGH;
        u32 wifi_bw;
@@ -3284,7 +3293,7 @@ void halbtc8192e2ant_action_pan_edr_hid(struct btc_coexist *btcoexist)
 }
 
 /* HID+A2DP+PAN(EDR) */
-void halbtc8192e2ant_action_hid_a2dp_pan_edr(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_hid_a2dp_pan_edr(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state = BTC_RSSI_STATE_HIGH;
        u32 wifi_bw;
@@ -3345,7 +3354,7 @@ void halbtc8192e2ant_action_hid_a2dp_pan_edr(struct btc_coexist *btcoexist)
        }
 }
 
-void halbtc8192e2ant_action_hid_a2dp(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_action_hid_a2dp(struct btc_coexist *btcoexist)
 {
        u8 wifirssi_state, btrssi_state = BTC_RSSI_STATE_HIGH;
        u32 wifi_bw;
@@ -3404,7 +3413,7 @@ void halbtc8192e2ant_action_hid_a2dp(struct btc_coexist *btcoexist)
        }
 }
 
-void halbtc8192e2ant_run_coexist_mechanism(struct btc_coexist *btcoexist)
+static void halbtc8192e2ant_run_coexist_mechanism(struct btc_coexist *btcoexist)
 {
        u8 algorithm = 0;
 
@@ -3514,7 +3523,8 @@ void halbtc8192e2ant_run_coexist_mechanism(struct btc_coexist *btcoexist)
        }
 }
 
-void halbtc8192e2ant_init_hwconfig(struct btc_coexist *btcoexist, bool backup)
+static void halbtc8192e2ant_init_hwconfig(struct btc_coexist *btcoexist,
+                                         bool backup)
 {
        u16 u16tmp = 0;
        u8 u8tmp = 0;