[PATCH 140/379][SRU][OEM-5.6] ath11k: clear DCM max constellation tx value

[You-Sheng Yang]

From: Muna Sinada <msinada at codeaurora.org>

BugLink: https://bugs.launchpad.net/bugs/1879633

According to 11ax spec. draft 4.0. DCM Max Constellation Tx data
field should be set to "Reserved" for an AP, therefore bit is
cleared.

Signed-off-by: Muna Sinada <msinada at codeaurora.org>
Signed-off-by: Kalle Valo <kvalo at codeaurora.org>
Link: https://lore.kernel.org/r/1590707417-29672-1-git-send-email-msinada@codeaurora.org
(cherry picked from commit 37b76986ebd72aae2c613b94b805e67eaea558b6)
Signed-off-by: You-Sheng Yang <vicamo.yang at canonical.com>
---
 drivers/net/wireless/ath/ath11k/mac.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index 00e5aac3deea..2836a0f197ab 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -3578,6 +3578,8 @@ static int ath11k_mac_copy_he_cap(struct ath11k *ar,
 
 		switch (i) {
 		case NL80211_IFTYPE_AP:
+			he_cap_elem->phy_cap_info[3] &=
+				~IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK;
 			he_cap_elem->phy_cap_info[9] |=
 				IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
 			break;
-- 
2.29.2