Some mt7601 devices cannot establish a connection properly. This patch fixes the issue. We do not know why, but it just works. Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1716301/comments/52 Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1716301/comments/53 Link: https://github.com/kuba-moo/mt7601u/issues/64 Link: https://www.mediatek.com/products/broadband-wifi/mt7601u Signed-off-by: Wentao Guan <guanwentao@xxxxxxxxxxxxx> Signed-off-by: WangYuli <wangyuli@xxxxxxxxxxxxx> --- drivers/net/wireless/mediatek/mt7601u/mcu.c | 1 - drivers/net/wireless/mediatek/mt7601u/phy.c | 5 ----- 2 files changed, 6 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt7601u/mcu.c b/drivers/net/wireless/mediatek/mt7601u/mcu.c index 1b5cc271a9e1..15751d11b4dc 100644 --- a/drivers/net/wireless/mediatek/mt7601u/mcu.c +++ b/drivers/net/wireless/mediatek/mt7601u/mcu.c @@ -446,7 +446,6 @@ static int mt7601u_load_firmware(struct mt7601u_dev *dev) mt7601u_wr(dev, 0x94c, 0); mt7601u_wr(dev, MT_FCE_PSE_CTRL, 0); - mt7601u_vendor_reset(dev); msleep(5); mt7601u_wr(dev, 0xa44, 0); diff --git a/drivers/net/wireless/mediatek/mt7601u/phy.c b/drivers/net/wireless/mediatek/mt7601u/phy.c index d4cd2215aba9..f3c14a1552df 100644 --- a/drivers/net/wireless/mediatek/mt7601u/phy.c +++ b/drivers/net/wireless/mediatek/mt7601u/phy.c @@ -589,8 +589,6 @@ void mt7601u_phy_recalibrate_after_assoc(struct mt7601u_dev *dev) if (test_bit(MT7601U_STATE_REMOVED, &dev->state)) return; - mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->curr_temp); - mt7601u_rxdc_cal(dev); } @@ -1160,9 +1158,6 @@ static int mt7601u_init_cal(struct mt7601u_dev *dev) if (ret) return ret; ret = mt7601u_mcu_calibrate(dev, MCU_CAL_RXIQ, 0); - if (ret) - return ret; - ret = mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->dpd_temp); if (ret) return ret; -- 2.43.4