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wifi: mt76: mt7925: fix tx power setting failure after chip reset

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After the chip reset, the procedure to set the tx power will not be
successful because the previous region setting is still remains.
Clear the region setting during MAC initialization and allow it to be
reset to finalize the TX power setting.

Fixes: 3bc62aa448 ("wifi: mt76: mt7925: add auto regdomain switch support")
Signed-off-by: Leon Yen <leon.yen@mediatek.com>
Link: https://patch.msgid.link/20260120163152.3694116-1-leon.yen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Leon Yen 2026-01-21 00:31:52 +08:00 committed by Felix Fietkau
parent c41075ce8c
commit aae89dc4a1
2 changed files with 4 additions and 1 deletions
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2
drivers/net/wireless/mediatek/mt76/mt7925/init.c
View File

@ -91,6 +91,8 @@ int mt7925_mac_init(struct mt792x_dev *dev)
mt7925_mac_init_basic_rates(dev);
memzero_explicit(&dev->mt76.alpha2, sizeof(dev->mt76.alpha2));
return 0;
}
EXPORT_SYMBOL_GPL(mt7925_mac_init);

3
drivers/net/wireless/mediatek/mt76/mt7925/regd.c
View File

@ -232,7 +232,8 @@ int mt7925_regd_change(struct mt792x_phy *phy, char *alpha2)
dev->regd_user)
return -EINVAL;
if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')
if ((mdev->alpha2[0] && mdev->alpha2[0] != '0') &&
(mdev->alpha2[1] && mdev->alpha2[1] != '0'))
return 0;
/* do not need to update the same country twice */