[PATCH AUTOSEL 4.19 017/237] mt76x0: phy: fix restore phase in mt76x0_phy_recalibrate_after_assoc

Sasha Levin
2019-11-16T15:41:40Z

From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>

[ Upstream commit 4df942733fd26d9378a4a00619be348c771e0190 ]

Fix restore value configured in MT_BBP(IBI, 9) register in
mt76x0_phy_recalibrate_after_assoc routine.

Fixes: 10de7a8b4ab9 ("mt76x0: phy files")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt76x0/phy.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
index 14e8c575f6c3e..924c761f34fd9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
@@ -793,9 +793,8 @@ void mt76x0_phy_recalibrate_after_assoc(struct mt76x0_dev *dev)
mt76_wr(dev, MT_TX_ALC_CFG_0, 0);
usleep_range(500, 700);

- reg_val = mt76_rr(dev, 0x2124);
- reg_val &= 0xffffff7e;
- mt76_wr(dev, 0x2124, reg_val);
+ reg_val = mt76_rr(dev, MT_BBP(IBI, 9));
+ mt76_wr(dev, MT_BBP(IBI, 9), 0xffffff7e);

mt76x0_mcu_calibrate(dev, MCU_CAL_RXDCOC, 0);

@@ -806,7 +805,7 @@ void mt76x0_phy_recalibrate_after_assoc(struct mt76x0_dev *dev)
mt76x0_mcu_calibrate(dev, MCU_CAL_RXIQ, is_5ghz);
mt76x0_mcu_calibrate(dev, MCU_CAL_RX_GROUP_DELAY, is_5ghz);

- mt76_wr(dev, 0x2124, reg_val);
+ mt76_wr(dev, MT_BBP(IBI, 9), reg_val);
mt76_wr(dev, MT_TX_ALC_CFG_0, tx_alc);
msleep(100);

--
2.20.1