Perform channel calibration after each channel switch and not only after connection establishment since NetworkManager perform multiple frequency scanning if RSSI in lower a given threshold
Signed-off-by: Lorenzo Bianconi <[email protected]> --- .../wireless/mediatek/mt76/mt76x2/mt76x2u.h | 1 - .../wireless/mediatek/mt76/mt76x2/usb_main.c | 5 ----- .../wireless/mediatek/mt76/mt76x2/usb_phy.c | 18 +++++++++++++++--- 3 files changed, 15 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2u.h b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2u.h index 833974de5c80..0b0075411b34 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2u.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2u.h @@ -43,7 +43,6 @@ int mt76x2u_mac_stop(struct mt76x02_dev *dev); int mt76x2u_phy_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef); void mt76x2u_phy_calibrate(struct work_struct *work); -void mt76x2u_phy_channel_calibrate(struct mt76x02_dev *dev); void mt76x2u_mcu_complete_urb(struct urb *urb); int mt76x2u_mcu_init(struct mt76x02_dev *dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_main.c index c2e0a43082e5..cad99715997e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_main.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_main.c @@ -91,11 +91,6 @@ mt76x2u_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, mutex_lock(&dev->mt76.mutex); - if (changed & BSS_CHANGED_ASSOC) { - mt76x2u_phy_channel_calibrate(dev); - mt76x2_apply_gain_adj(dev); - } - if (changed & BSS_CHANGED_BSSID) { mt76_wr(dev, MT_MAC_BSSID_DW0, get_unaligned_le32(info->bssid)); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_phy.c index 24e292e895b6..a64268e8db42 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_phy.c @@ -18,15 +18,20 @@ #include "eeprom.h" #include "../mt76x02_phy.h" -void mt76x2u_phy_channel_calibrate(struct mt76x02_dev *dev) +static void +mt76x2u_phy_channel_calibrate(struct mt76x02_dev *dev, bool mac_stopped) { struct ieee80211_channel *chan = dev->mt76.chandef.chan; bool is_5ghz = chan->band == NL80211_BAND_5GHZ; + if (dev->cal.channel_cal_done) + return; + if (mt76x2_channel_silent(dev)) return; - mt76x2u_mac_stop(dev); + if (!mac_stopped) + mt76x2u_mac_stop(dev); if (is_5ghz) mt76x02_mcu_calibrate(dev, MCU_CAL_LC, 0, false); @@ -37,7 +42,11 @@ void mt76x2u_phy_channel_calibrate(struct mt76x02_dev *dev) mt76x02_mcu_calibrate(dev, MCU_CAL_TEMP_SENSOR, 0, false); mt76x02_mcu_calibrate(dev, MCU_CAL_TX_SHAPING, 0, false); - mt76x2u_mac_resume(dev); + if (!mac_stopped) + mt76x2u_mac_resume(dev); + mt76x2_apply_gain_adj(dev); + + dev->cal.channel_cal_done = true; } void mt76x2u_phy_calibrate(struct work_struct *work) @@ -45,6 +54,7 @@ void mt76x2u_phy_calibrate(struct work_struct *work) struct mt76x02_dev *dev; dev = container_of(work, struct mt76x02_dev, cal_work.work); + mt76x2u_phy_channel_calibrate(dev, false); mt76x2_phy_tssi_compensate(dev, false); mt76x2_phy_update_channel_gain(dev); @@ -165,7 +175,9 @@ int mt76x2u_phy_set_channel(struct mt76x02_dev *dev, if (scan) return 0; + mt76x2u_phy_channel_calibrate(dev, true); mt76x02_init_agc_gain(dev); + if (mt76x2_tssi_enabled(dev)) { /* init default values for temp compensation */ mt76_rmw_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP, -- 2.17.2
