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From:   Tamizh Chelvam Raja <quic_tamizhr@quicinc.com>
To:     <ath11k@lists.infradead.org>
CC:     <linux-wireless@vger.kernel.org>,
        Tamizh Chelvam Raja <quic_tamizhr@quicinc.com>
Subject: [PATCH] wifi: ath11k: Disable Spectral scan upon removing interface
Date:   Tue, 28 Mar 2023 12:41:50 +0530
Message-ID: <20230328071150.29645-1-quic_tamizhr@quicinc.com>
MIME-Version: 1.0
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Host might receive spectral events during interface
down sequence and this might create below errors.

failed to handle dma buf release event -22
failed to handle dma buf release event -22

Fix this by disabling spectral config during remove interface.

Tested-on: IPQ5018 hw1.0 AHB WLAN.HK.2.6.0.1-00861-QCAHKSWPL_SILICONZ-1

Signed-off-by: Tamizh Chelvam Raja <quic_tamizhr@quicinc.com>
---
 drivers/net/wireless/ath/ath11k/mac.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index cad832e0e6b8..3ce6075af5dd 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -6652,6 +6652,11 @@ static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw,
 	ath11k_dbg(ab, ATH11K_DBG_MAC, "mac remove interface (vdev %d)\n",
 		   arvif->vdev_id);
 
+	ret = ath11k_spectral_vif_stop(arvif);
+	if (ret)
+		ath11k_warn(ab, "failed to stop spectral for vdev %i: %d\n",
+			    arvif->vdev_id, ret);
+
 	if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
 		ath11k_mac_11d_scan_stop(ar);
 

base-commit: bea046575a2e6d7d1cf63cc7ab032647a3585de5
-- 
2.17.1