From: Mingyen Hsieh <mingyen.hsieh@mediatek.com>
To: <nbd@nbd.name>, <lorenzo@kernel.org>
Cc: <deren.wu@mediatek.com>, <Sean.Wang@mediatek.com>,
<Soul.Huang@mediatek.com>, <Leon.Yen@mediatek.com>,
<Eric-SY.Chang@mediatek.com>, <km.lin@mediatek.com>,
<robin.chiu@mediatek.com>, <ch.yeh@mediatek.com>,
<posh.sun@mediatek.com>, <Quan.Zhou@mediatek.com>,
<Ryder.Lee@mediatek.com>, <Shayne.Chen@mediatek.com>,
<linux-wireless@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
Leon Yen <leon.yen@mediatek.com>,
Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Subject: [PATCH] wifi: mt76: mt7921: avoid undesired changes of the preset regulatory domain
Date: Fri, 12 Apr 2024 16:53:57 +0800 [thread overview]
Message-ID: <20240412085357.13756-1-mingyen.hsieh@mediatek.com> (raw)
From: Leon Yen <leon.yen@mediatek.com>
Some countries have strict RF restrictions where changing the regulatory
domain dynamically based on the connected AP is not acceptable.
This patch disables Beacon country IE hinting when a valid country code
is set from usersland (e.g., by system using iw or CRDA).
Signed-off-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
---
drivers/net/wireless/mediatek/mt76/mt7921/init.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index ef0c721d26e3..3c9a5fcd6924 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -135,6 +135,13 @@ mt7921_regd_notifier(struct wiphy *wiphy,
dev->mt76.region = request->dfs_region;
dev->country_ie_env = request->country_ie_env;
+ if (request->initiator == NL80211_REGDOM_SET_BY_USER) {
+ if (dev->mt76.alpha2[0] == '0' && dev->mt76.alpha2[1] == '0')
+ wiphy->regulatory_flags &= ~REGULATORY_COUNTRY_IE_IGNORE;
+ else
+ wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;
+ }
+
if (pm->suspended)
return;
--
2.18.0
next reply other threads:[~2024-04-12 8:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-12 8:53 Mingyen Hsieh [this message]
2024-04-12 9:27 ` [PATCH] wifi: mt76: mt7921: avoid undesired changes of the preset regulatory domain Nicolas Escande
2024-04-15 5:53 ` Mingyen Hsieh (謝明諺)
2024-04-15 10:26 ` Nicolas Escande
2024-04-22 6:32 ` Mingyen Hsieh (謝明諺)
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