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Message-Id: <20211115165316.296991601@linuxfoundation.org>
Date:   Mon, 15 Nov 2021 18:00:01 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Loic Poulain <loic.poulain@...aro.org>,
        Kalle Valo <kvalo@...eaurora.org>
Subject: [PATCH 5.4 077/355] wcn36xx: Fix HT40 capability for 2Ghz band

From: Loic Poulain <loic.poulain@...aro.org>

commit 960ae77f25631bbe4e3aafefe209b52e044baf31 upstream.

All wcn36xx controllers are supposed to support HT40 (and SGI40),
This doubles the maximum bitrate/throughput with compatible APs.

Tested with wcn3620 & wcn3680B.

Cc: stable@...r.kernel.org
Fixes: 8e84c2582169 ("wcn36xx: mac80211 driver for Qualcomm WCN3660/WCN3680 hardware")
Signed-off-by: Loic Poulain <loic.poulain@...aro.org>
Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
Link: https://lore.kernel.org/r/1634737133-22336-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/wireless/ath/wcn36xx/main.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -134,7 +134,9 @@ static struct ieee80211_supported_band w
 		.cap =	IEEE80211_HT_CAP_GRN_FLD |
 			IEEE80211_HT_CAP_SGI_20 |
 			IEEE80211_HT_CAP_DSSSCCK40 |
-			IEEE80211_HT_CAP_LSIG_TXOP_PROT,
+			IEEE80211_HT_CAP_LSIG_TXOP_PROT |
+			IEEE80211_HT_CAP_SGI_40 |
+			IEEE80211_HT_CAP_SUP_WIDTH_20_40,
 		.ht_supported = true,
 		.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
 		.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,


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