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rtlwifi: rtl8192c: Convert driver to use private dm structs

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Convert rtl8192c to use the dm_digtable struct in the common header file
instead of the global variable. Without this change, every instance of
rtl8192ce and rtl8192cu will be using the same global arrays.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger 2012-04-19 16:32:41 -05:00 committed by John W. Linville
parent 0985dfbc51
commit 40332e5fd3
4 changed files with 123 additions and 112 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

232
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
View File

@ -33,7 +33,6 @@
#include "../pci.h"
#include "../base.h"
struct dig_t dm_digtable;
static struct ps_t dm_pstable;
#define BT_RSSI_STATE_NORMAL_POWER BIT_OFFSET_LEN_MASK_32(0, 1)
@ -163,33 +162,37 @@ static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
static void rtl92c_dm_diginit(struct ieee80211_hw *hw)
{
dm_digtable.dig_enable_flag = true;
dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
dm_digtable.cur_igvalue = 0x20;
dm_digtable.pre_igvalue = 0x0;
dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;
dm_digtable.presta_connectstate = DIG_STA_DISCONNECT;
dm_digtable.curmultista_connectstate = DIG_MULTISTA_DISCONNECT;
dm_digtable.rssi_lowthresh = DM_DIG_THRESH_LOW;
dm_digtable.rssi_highthresh = DM_DIG_THRESH_HIGH;
dm_digtable.fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
dm_digtable.fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
dm_digtable.rx_gain_range_max = DM_DIG_MAX;
dm_digtable.rx_gain_range_min = DM_DIG_MIN;
dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
dm_digtable.backoff_val_range_max = DM_DIG_BACKOFF_MAX;
dm_digtable.backoff_val_range_min = DM_DIG_BACKOFF_MIN;
dm_digtable.pre_cck_pd_state = CCK_PD_STAGE_MAX;
dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
dm_digtable->dig_enable_flag = true;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
dm_digtable->cur_igvalue = 0x20;
dm_digtable->pre_igvalue = 0x0;
dm_digtable->cursta_connectctate = DIG_STA_DISCONNECT;
dm_digtable->presta_connectstate = DIG_STA_DISCONNECT;
dm_digtable->curmultista_connectstate = DIG_MULTISTA_DISCONNECT;
dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
dm_digtable->rx_gain_range_max = DM_DIG_MAX;
dm_digtable->rx_gain_range_min = DM_DIG_MIN;
dm_digtable->backoff_val = DM_DIG_BACKOFF_DEFAULT;
dm_digtable->backoff_val_range_max = DM_DIG_BACKOFF_MAX;
dm_digtable->backoff_val_range_min = DM_DIG_BACKOFF_MIN;
dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
}
static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
long rssi_val_min = 0;
if ((dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) &&
(dm_digtable.cursta_connectctate == DIG_STA_CONNECT)) {
if ((dm_digtable->curmultista_connectstate == DIG_MULTISTA_CONNECT) &&
(dm_digtable->cursta_connectctate == DIG_STA_CONNECT)) {
if (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb != 0)
rssi_val_min =
(rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb >
@ -198,10 +201,10 @@ static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
else
rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb;
} else if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT ||
dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT) {
} else if (dm_digtable->cursta_connectctate == DIG_STA_CONNECT ||
dm_digtable->cursta_connectctate == DIG_STA_BEFORE_CONNECT) {
rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb;
} else if (dm_digtable.curmultista_connectstate ==
} else if (dm_digtable->curmultista_connectstate ==
DIG_MULTISTA_CONNECT) {
rssi_val_min = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
}
@ -260,7 +263,8 @@ static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 value_igi = dm_digtable.cur_igvalue;
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
u8 value_igi = dm_digtable->cur_igvalue;
if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
value_igi--;
@ -277,43 +281,44 @@ static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
if (rtlpriv->falsealm_cnt.cnt_all > 10000)
value_igi = 0x32;
dm_digtable.cur_igvalue = value_igi;
dm_digtable->cur_igvalue = value_igi;
rtl92c_dm_write_dig(hw);
}
static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
if (rtlpriv->falsealm_cnt.cnt_all > dm_digtable.fa_highthresh) {
if ((dm_digtable.backoff_val - 2) <
dm_digtable.backoff_val_range_min)
dm_digtable.backoff_val =
dm_digtable.backoff_val_range_min;
if (rtlpriv->falsealm_cnt.cnt_all > dm_digtable->fa_highthresh) {
if ((dm_digtable->backoff_val - 2) <
dm_digtable->backoff_val_range_min)
dm_digtable->backoff_val =
dm_digtable->backoff_val_range_min;
else
dm_digtable.backoff_val -= 2;
} else if (rtlpriv->falsealm_cnt.cnt_all < dm_digtable.fa_lowthresh) {
if ((dm_digtable.backoff_val + 2) >
dm_digtable.backoff_val_range_max)
dm_digtable.backoff_val =
dm_digtable.backoff_val_range_max;
dm_digtable->backoff_val -= 2;
} else if (rtlpriv->falsealm_cnt.cnt_all < dm_digtable->fa_lowthresh) {
if ((dm_digtable->backoff_val + 2) >
dm_digtable->backoff_val_range_max)
dm_digtable->backoff_val =
dm_digtable->backoff_val_range_max;
else
dm_digtable.backoff_val += 2;
dm_digtable->backoff_val += 2;
}
if ((dm_digtable.rssi_val_min + 10 - dm_digtable.backoff_val) >
dm_digtable.rx_gain_range_max)
dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_max;
else if ((dm_digtable.rssi_val_min + 10 -
dm_digtable.backoff_val) < dm_digtable.rx_gain_range_min)
dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_min;
if ((dm_digtable->rssi_val_min + 10 - dm_digtable->backoff_val) >
dm_digtable->rx_gain_range_max)
dm_digtable->cur_igvalue = dm_digtable->rx_gain_range_max;
else if ((dm_digtable->rssi_val_min + 10 -
dm_digtable->backoff_val) < dm_digtable->rx_gain_range_min)
dm_digtable->cur_igvalue = dm_digtable->rx_gain_range_min;
else
dm_digtable.cur_igvalue = dm_digtable.rssi_val_min + 10 -
dm_digtable.backoff_val;
dm_digtable->cur_igvalue = dm_digtable->rssi_val_min + 10 -
dm_digtable->backoff_val;
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
"rssi_val_min = %x backoff_val %x\n",
dm_digtable.rssi_val_min, dm_digtable.backoff_val);
dm_digtable->rssi_val_min, dm_digtable->backoff_val);
rtl92c_dm_write_dig(hw);
}
@ -322,6 +327,7 @@ static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
{
static u8 initialized; /* initialized to false */
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
long rssi_strength = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
bool multi_sta = false;
@ -330,68 +336,69 @@ static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
multi_sta = true;
if (!multi_sta ||
dm_digtable.cursta_connectctate != DIG_STA_DISCONNECT) {
dm_digtable->cursta_connectctate != DIG_STA_DISCONNECT) {
initialized = false;
dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
return;
} else if (initialized == false) {
initialized = true;
dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
dm_digtable.cur_igvalue = 0x20;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
dm_digtable->cur_igvalue = 0x20;
rtl92c_dm_write_dig(hw);
}
if (dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) {
if ((rssi_strength < dm_digtable.rssi_lowthresh) &&
(dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
if (dm_digtable->curmultista_connectstate == DIG_MULTISTA_CONNECT) {
if ((rssi_strength < dm_digtable->rssi_lowthresh) &&
(dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
if (dm_digtable.dig_ext_port_stage ==
if (dm_digtable->dig_ext_port_stage ==
DIG_EXT_PORT_STAGE_2) {
dm_digtable.cur_igvalue = 0x20;
dm_digtable->cur_igvalue = 0x20;
rtl92c_dm_write_dig(hw);
}
dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
} else if (rssi_strength > dm_digtable.rssi_highthresh) {
dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
} else if (rssi_strength > dm_digtable->rssi_highthresh) {
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
rtl92c_dm_ctrl_initgain_by_fa(hw);
}
} else if (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
dm_digtable.cur_igvalue = 0x20;
} else if (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
dm_digtable->cur_igvalue = 0x20;
rtl92c_dm_write_dig(hw);
}
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
"curmultista_connectstate = %x dig_ext_port_stage %x\n",
dm_digtable.curmultista_connectstate,
dm_digtable.dig_ext_port_stage);
dm_digtable->curmultista_connectstate,
dm_digtable->dig_ext_port_stage);
}
static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
"presta_connectstate = %x, cursta_connectctate = %x\n",
dm_digtable.presta_connectstate,
dm_digtable.cursta_connectctate);
dm_digtable->presta_connectstate,
dm_digtable->cursta_connectctate);
if (dm_digtable.presta_connectstate == dm_digtable.cursta_connectctate
|| dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT
|| dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
if (dm_digtable->presta_connectstate == dm_digtable->cursta_connectctate
|| dm_digtable->cursta_connectctate == DIG_STA_BEFORE_CONNECT
|| dm_digtable->cursta_connectctate == DIG_STA_CONNECT) {
if (dm_digtable.cursta_connectctate != DIG_STA_DISCONNECT) {
dm_digtable.rssi_val_min =
if (dm_digtable->cursta_connectctate != DIG_STA_DISCONNECT) {
dm_digtable->rssi_val_min =
rtl92c_dm_initial_gain_min_pwdb(hw);
rtl92c_dm_ctrl_initgain_by_rssi(hw);
}
} else {
dm_digtable.rssi_val_min = 0;
dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
dm_digtable.cur_igvalue = 0x20;
dm_digtable.pre_igvalue = 0;
dm_digtable->rssi_val_min = 0;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
dm_digtable->backoff_val = DM_DIG_BACKOFF_DEFAULT;
dm_digtable->cur_igvalue = 0x20;
dm_digtable->pre_igvalue = 0;
rtl92c_dm_write_dig(hw);
}
}
@ -400,40 +407,41 @@ static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
dm_digtable.rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
if (dm_digtable->cursta_connectctate == DIG_STA_CONNECT) {
dm_digtable->rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
if (dm_digtable.pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
if (dm_digtable.rssi_val_min <= 25)
dm_digtable.cur_cck_pd_state =
if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
if (dm_digtable->rssi_val_min <= 25)
dm_digtable->cur_cck_pd_state =
CCK_PD_STAGE_LowRssi;
else
dm_digtable.cur_cck_pd_state =
dm_digtable->cur_cck_pd_state =
CCK_PD_STAGE_HighRssi;
} else {
if (dm_digtable.rssi_val_min <= 20)
dm_digtable.cur_cck_pd_state =
if (dm_digtable->rssi_val_min <= 20)
dm_digtable->cur_cck_pd_state =
CCK_PD_STAGE_LowRssi;
else
dm_digtable.cur_cck_pd_state =
dm_digtable->cur_cck_pd_state =
CCK_PD_STAGE_HighRssi;
}
} else {
dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
}
if (dm_digtable.pre_cck_pd_state != dm_digtable.cur_cck_pd_state) {
if (dm_digtable.cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) {
if (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
dm_digtable.cur_cck_fa_state =
dm_digtable->cur_cck_fa_state =
CCK_FA_STAGE_High;
else
dm_digtable.cur_cck_fa_state = CCK_FA_STAGE_Low;
dm_digtable->cur_cck_fa_state = CCK_FA_STAGE_Low;
if (dm_digtable.pre_cck_fa_state !=
dm_digtable.cur_cck_fa_state) {
if (dm_digtable.cur_cck_fa_state ==
if (dm_digtable->pre_cck_fa_state !=
dm_digtable->cur_cck_fa_state) {
if (dm_digtable->cur_cck_fa_state ==
CCK_FA_STAGE_Low)
rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
0x83);
@ -441,8 +449,8 @@ static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
0xcd);
dm_digtable.pre_cck_fa_state =
dm_digtable.cur_cck_fa_state;
dm_digtable->pre_cck_fa_state =
dm_digtable->cur_cck_fa_state;
}
rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);
@ -458,11 +466,11 @@ static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
MASKBYTE2, 0xd3);
}
dm_digtable.pre_cck_pd_state = dm_digtable.cur_cck_pd_state;
dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state;
}
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, "CCKPDStage=%x\n",
dm_digtable.cur_cck_pd_state);
dm_digtable->cur_cck_pd_state);
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, "is92C=%x\n",
IS_92C_SERIAL(rtlhal->version));
@ -470,31 +478,34 @@ static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
if (mac->act_scanning)
return;
if (mac->link_state >= MAC80211_LINKED)
dm_digtable.cursta_connectctate = DIG_STA_CONNECT;
dm_digtable->cursta_connectctate = DIG_STA_CONNECT;
else
dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;
dm_digtable->cursta_connectctate = DIG_STA_DISCONNECT;
rtl92c_dm_initial_gain_sta(hw);
rtl92c_dm_initial_gain_multi_sta(hw);
rtl92c_dm_cck_packet_detection_thresh(hw);
dm_digtable.presta_connectstate = dm_digtable.cursta_connectctate;
dm_digtable->presta_connectstate = dm_digtable->cursta_connectctate;
}
static void rtl92c_dm_dig(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
if (rtlpriv->dm.dm_initialgain_enable == false)
return;
if (dm_digtable.dig_enable_flag == false)
if (dm_digtable->dig_enable_flag == false)
return;
rtl92c_dm_ctrl_initgain_by_twoport(hw);
@ -514,23 +525,24 @@ static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
"cur_igvalue = 0x%x, pre_igvalue = 0x%x, backoff_val = %d\n",
dm_digtable.cur_igvalue, dm_digtable.pre_igvalue,
dm_digtable.backoff_val);
dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
dm_digtable->backoff_val);
dm_digtable.cur_igvalue += 2;
if (dm_digtable.cur_igvalue > 0x3f)
dm_digtable.cur_igvalue = 0x3f;
dm_digtable->cur_igvalue += 2;
if (dm_digtable->cur_igvalue > 0x3f)
dm_digtable->cur_igvalue = 0x3f;
if (dm_digtable.pre_igvalue != dm_digtable.cur_igvalue) {
if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) {
rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
dm_digtable.cur_igvalue);
dm_digtable->cur_igvalue);
rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
dm_digtable.cur_igvalue);
dm_digtable->cur_igvalue);
dm_digtable.pre_igvalue = dm_digtable.cur_igvalue;
dm_digtable->pre_igvalue = dm_digtable->cur_igvalue;
}
}
EXPORT_SYMBOL(rtl92c_dm_write_dig);

1
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h
View File

@ -155,7 +155,6 @@ enum dm_dig_connect_e {
DIG_CONNECT_MAX
};
extern struct dig_t dm_digtable;
void rtl92c_dm_init(struct ieee80211_hw *hw);
void rtl92c_dm_watchdog(struct ieee80211_hw *hw);
void rtl92c_dm_write_dig(struct ieee80211_hw *hw);

1
drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c
View File

@ -1881,6 +1881,7 @@ void rtl92c_phy_set_io(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &(rtlpriv->phy);
struct dig_t dm_digtable = rtlpriv->dm_digtable;
RT_TRACE(rtlpriv, COMP_CMD, DBG_TRACE,
"--->Cmd(%#x), set_io_inprogress(%d)\n",

1
drivers/net/wireless/rtlwifi/rtl8192ce/dm.h
View File

@ -150,7 +150,6 @@ enum dm_dig_connect_e {
DIG_CONNECT_MAX
};
extern struct dig_t dm_digtable;
void rtl92c_dm_init(struct ieee80211_hw *hw);
void rtl92c_dm_watchdog(struct ieee80211_hw *hw);
void rtl92c_dm_write_dig(struct ieee80211_hw *hw);