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authorTaehee Yoo <ap420073@gmail.com>2015-06-04 09:47:42 +0900
committerKalle Valo <kvalo@codeaurora.org>2015-06-08 11:48:27 +0300
commitca7bdd95b26d1424e925f17eb546a491d93afd49 (patch)
tree4c9ce7c7ec19aad0bf8728b759e9d5709a815f69 /drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
parentec264a43029ff0754270864e5a93dcdaeea276d7 (diff)
downloadlwn-ca7bdd95b26d1424e925f17eb546a491d93afd49.tar.gz
lwn-ca7bdd95b26d1424e925f17eb546a491d93afd49.zip
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: Taehee Yoo <ap420073@gmail.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192cu/hw.c')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192cu/hw.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
index 189859617db8..6a4ef051d618 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
@@ -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)