From: Shayne Chen shayne.chen@mediatek.com
[ Upstream commit eb1fdb9f5a2280de6820624cd02e0863babab683 ]
Fix per-band chainmask when restoring from the dev chainmask.
Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: Shayne Chen shayne.chen@mediatek.com Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7996/main.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c index 4421cd54311b1..c423b052e4f4c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c @@ -880,7 +880,10 @@ mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) phy->mt76->antenna_mask = tx_ant;
/* restore to the origin chainmask which might have auxiliary path */ - if (hweight8(tx_ant) == max_nss) + if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2) + phy->mt76->chainmask = ((dev->chainmask >> shift) & + (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift; + else if (hweight8(tx_ant) == max_nss) phy->mt76->chainmask = (dev->chainmask >> shift) << shift; else phy->mt76->chainmask = tx_ant << shift;