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wifi: mt76: mt7921: disable auto regd changes after user set

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Add regd_user flag to block automatic regulatory domain updates
if set by user.

Co-developed-by: Sean Wang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: JB Tsai <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
JB Tsai
2026-06-09 12:28:21 +02:00
committed by Felix Fietkau
parent 06d1ccbecd
commit 4fb4a07625
2 changed files with 7 additions and 1 deletions
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mt7921/regd.c
+6 -1
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@@ -117,6 +117,10 @@ void mt7921_regd_notifier(struct wiphy *wiphy,
struct mt76_connac_pm *pm = &dev->pm;
struct mt76_dev *mdev = &dev->mt76;
if (req->initiator == NL80211_REGDOM_SET_BY_USER &&
!dev->regd_user)
dev->regd_user = true;
/* do not need to update the same country twice */
if (!memcmp(req->alpha2, mdev->alpha2, 2) &&
dev->country_ie_env == req->country_ie_env)
@@ -168,7 +172,8 @@ int mt7921_regd_change(struct mt792x_phy *phy, char *alpha2)
return 0;
if (!mt7921_regd_is_valid_alpha2(alpha2) ||
!mt7921_regd_clc_supported(dev))
!mt7921_regd_clc_supported(dev) ||
dev->regd_user)
return -EINVAL;
if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')