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Commit ca7bdd95 authored by Taehee Yoo's avatar Taehee Yoo Committed by Kalle Valo
Browse files

rtlwifi: rtl8192cu: Fix performance issue. 



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: default avatarTaehee Yoo <ap420073@gmail.com>
Acked-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent ec264a43

drivers/net/wireless/rtlwifi/rtl8192cu/hw.c

+5 −3
Original line number Diff line number Diff line
@@ -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)