linux-kernel - [PATCH] wifi: mt76: mt7921: add 160 MHz AP for mt7922 device

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Message-ID: <20250511005316.1118961-1-sam8641@gmail.com>
Date: Sat, 10 May 2025 19:53:09 -0500
From: Samuel Williams <sam8641@...il.com>
To: 
Cc: sam8641@...il.com,
	Felix Fietkau <nbd@....name>,
	Lorenzo Bianconi <lorenzo@...nel.org>,
	Ryder Lee <ryder.lee@...iatek.com>,
	Shayne Chen <shayne.chen@...iatek.com>,
	Sean Wang <sean.wang@...iatek.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Deren Wu <deren.wu@...iatek.com>,
	Ming Yen Hsieh <mingyen.hsieh@...iatek.com>,
	David Ruth <druth@...omium.org>,
	Allan Wang <allan.wang@...iatek.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Leon Yen <leon.yen@...iatek.com>,
	linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: [PATCH] wifi: mt76: mt7921: add 160 MHz AP for mt7922 device

This allows mt7922 in hostapd mode to transmit up to 1.4 Gbps.

Signed-off-by: Samuel Williams <sam8641@...il.com>
---
 drivers/net/wireless/mediatek/mt76/mt7921/main.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index 826c48a2ee69..1fffa43379b2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -83,6 +83,11 @@ mt7921_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band,
 			he_cap_elem->phy_cap_info[9] |=
 				IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
 				IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
+
+			if (is_mt7922(phy->mt76->dev)) {
+				he_cap_elem->phy_cap_info[0] |=
+					IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
+			}
 			break;
 		case NL80211_IFTYPE_STATION:
 			he_cap_elem->mac_cap_info[1] |=
-- 
2.47.2