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rtlwifi: rtl8192cu: Fix performance issue.

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After physical reconnect, the rtl8192cu chipset shows low
transmission rates.It cause is that variable "iqk_initialized"
do not de-initialized. So I add this code.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Taehee Yoo 2015-06-04 09:47:42 +09:00 committed by Kalle Valo
parent ec264a4302
commit ca7bdd95b2
1 changed files with 5 additions and 3 deletions
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8
drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
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@ -987,7 +987,6 @@ int rtl92cu_hw_init(struct ieee80211_hw *hw)
struct rtl_phy *rtlphy = &(rtlpriv->phy);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
int err = 0;
static bool iqk_initialized;
unsigned long flags;
/* As this function can take a very long time (up to 350 ms)
@ -1038,11 +1037,11 @@ int rtl92cu_hw_init(struct ieee80211_hw *hw)
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
if (ppsc->rfpwr_state == ERFON) {
rtl92c_phy_set_rfpath_switch(hw, 1);
if (iqk_initialized) {
if (rtlphy->iqk_initialized) {
rtl92c_phy_iq_calibrate(hw, true);
} else {
rtl92c_phy_iq_calibrate(hw, false);
iqk_initialized = true;
rtlphy->iqk_initialized = true;
}
rtl92c_dm_check_txpower_tracking(hw);
rtl92c_phy_lc_calibrate(hw);
@ -1391,6 +1390,9 @@ void rtl92cu_card_disable(struct ieee80211_hw *hw)
_CardDisableHWSM(hw);
else
_CardDisableWithoutHWSM(hw);
/* after power off we should do iqk again */
rtlpriv->phy.iqk_initialized = false;
}
void rtl92cu_set_check_bssid(struct ieee80211_hw *hw, bool check_bssid)