From: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Date: Fri, 31 Oct 2025 09:03:50 +0000 (+0800)
Subject: wifi: mt76: mt7925: improve EHT capability control in regulatory flow
X-Git-Tag: v6.19-rc1~170^2~33^2~5^2~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6338709a4f8636911b4eacfdd75cc12e28702285;p=thirdparty%2Fkernel%2Flinux.git

wifi: mt76: mt7925: improve EHT capability control in regulatory flow

Move EHT flag handling into mt7925_regd_channel_update() to ensure
correct channel capability reporting.

Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Link: https://patch.msgid.link/20251031090352.1400079-5-mingyen.hsieh@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/main.c b/drivers/net/wireless/mediatek/mt76/mt7925/main.c
index 687f58f115b05..641be23011b1c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7925/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/main.c
@@ -1369,8 +1369,6 @@ void mt7925_scan_work(struct work_struct *work)
 				if (!is_valid_alpha2(evt->alpha2))
 					break;
 
-				mt7925_regd_be_ctrl(phy->dev, evt->alpha2);
-
 				if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')
 					break;
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/regd.c b/drivers/net/wireless/mediatek/mt76/mt7925/regd.c
index b36c6a6f5da60..12d8aac16e34a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7925/regd.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/regd.c
@@ -83,6 +83,17 @@ mt7925_regd_channel_update(struct wiphy *wiphy, struct mt792x_dev *dev)
 			dev->phy.clc_chan_conf &= ~MT7925_UNII_6G_IS_VALID;
 	}
 
+	sband = wiphy->bands[NL80211_BAND_2GHZ];
+	if (!sband)
+		return;
+
+	for (i = 0; i < sband->n_channels; i++) {
+		ch = &sband->channels[i];
+
+		if (!dev->has_eht)
+			ch->flags |= IEEE80211_CHAN_NO_EHT;
+	}
+
 	sband = wiphy->bands[NL80211_BAND_5GHZ];
 	if (!sband)
 		return;
@@ -93,6 +104,9 @@ mt7925_regd_channel_update(struct wiphy *wiphy, struct mt792x_dev *dev)
 		/* UNII-4 */
 		if (IS_UNII_INVALID(0, 5845, 5925, ch->center_freq))
 			ch->flags |= IEEE80211_CHAN_DISABLED;
+
+		if (!dev->has_eht)
+			ch->flags |= IEEE80211_CHAN_NO_EHT;
 	}
 
 	sband = wiphy->bands[NL80211_BAND_6GHZ];
@@ -108,6 +122,9 @@ mt7925_regd_channel_update(struct wiphy *wiphy, struct mt792x_dev *dev)
 		    IS_UNII_INVALID(3, 6525, 6875, ch->center_freq) ||
 		    IS_UNII_INVALID(4, 6875, 7125, ch->center_freq))
 			ch->flags |= IEEE80211_CHAN_DISABLED;
+
+		if (!dev->has_eht)
+			ch->flags |= IEEE80211_CHAN_NO_EHT;
 	}
 }
 
@@ -128,6 +145,7 @@ int mt7925_mcu_regd_update(struct mt792x_dev *dev, u8 *alpha2,
 	if (ret < 0)
 		goto err;
 
+	mt7925_regd_be_ctrl(dev, alpha2);
 	mt7925_regd_channel_update(wiphy, dev);
 
 	ret = mt7925_mcu_set_channel_domain(hw->priv);