From nobody Mon Oct 6 06:40:55 2025 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A7E732750EA; Thu, 24 Jul 2025 08:51:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753347091; cv=none; b=LhdChJqu+m3EB0/Ma8NDy6l3WilIHGPi9Toyfg4sGVxXnW/3hoaMTqXFpUQ5ORvtOMV0wFI4sE3URUAe7dsCtRV3sH+Qpe58tHXKI68bo8m47Tk5fXyc7/hoKdO8gN1EauTtenfJH0mgbt9JG0OzE1bLhQ5xHLTLgiPr3D6qx2c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753347091; c=relaxed/simple; bh=0MF3y+rsrnzc2WPZ7ul+sUTsoHFEe6/Qvp6ikrIARSY=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=YoB2XDfuQVk4B3qAAbsxDLUYOBA8ifgM8gIrakdVGMTItHMbGdLPH1TuwdrrrplnwjO1cS0h6Wgdvn+ZNnNicToZ5UheHLYyhIhUZ+a6vZmKuNWk9mrx0wr+6p1ovMvwJHZcWVAnrVsXyNiyy8RvgGIuGb4X5J7iPvbiUrZNxfA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=PEa0PoFt; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="PEa0PoFt" X-UUID: 5efe3e80686b11f0b33aeb1e7f16c2b6-20250724 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=Hdj2jKHN4mlD4Wq/VqFtggztXanlgzjUHfeEONfy21c=; b=PEa0PoFtYAW3ew4h8DuiB3andL2iBWlnJvidyGJnTLHqJC0iLvSmWiqzdl5Ln4EmIit4OGF2t2Ir4f2VGQNDaW+BPsuVVcVWIyzv+ow1pr4JkJT9gv7HHO8/lWItgif1YBHgwLk7Fug2xxheyr3aDRgAERkeMQDe9V63HTpVSN8=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.2,REQID:913923d4-30ae-4216-83b7-2232315112e1,IP:0,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:9eb4ff7,CLOUDID:6d58399a-32fc-44a3-90ac-aa371853f23f,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0|50,EDM:-3,IP:ni l,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES :1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 5efe3e80686b11f0b33aeb1e7f16c2b6-20250724 Received: from mtkmbs09n1.mediatek.inc [(172.21.101.35)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 391881407; Thu, 24 Jul 2025 16:51:21 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.39; Thu, 24 Jul 2025 16:51:18 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1258.39 via Frontend Transport; Thu, 24 Jul 2025 16:51:18 +0800 From: Jiande Lu To: Marcel Holtmann , Johan Hedberg , Luiz Von Dentz CC: Sean Wang , Chris Lu , "Will Lee" , SS Wu , Steve Lee , linux-bluetooth , linux-kernel , linux-mediatek , Jiande Lu Subject: [PATCH] Bluetooth: btmtk: Fix wait_on_bit_timeout interruption during shutdown Date: Thu, 24 Jul 2025 16:51:17 +0800 Message-ID: <20250724085117.2678313-1-jiande.lu@mediatek.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-MTK: N Content-Type: text/plain; charset="utf-8" During the shutdown process, an interrupt occurs that prematurely terminates the wait for the expected event. This change replaces TASK_INTERRUPTIBLE with TASK_UNINTERRUPTIBLE in the wait_on_bit_timeout call to ensure the shutdown process completes as intended without being interrupted by signals. Fixes: d019930b0049 ("Bluetooth: btmtk: move btusb_mtk_hci_wmt_sync to btmt= k.c") Signed-off-by: Jiande Lu --- drivers/bluetooth/btmtk.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c index 4390fd571dbd..a8c520dc09e1 100644 --- a/drivers/bluetooth/btmtk.c +++ b/drivers/bluetooth/btmtk.c @@ -642,12 +642,7 @@ static int btmtk_usb_hci_wmt_sync(struct hci_dev *hdev, * WMT command. */ err =3D wait_on_bit_timeout(&data->flags, BTMTK_TX_WAIT_VND_EVT, - TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT); - if (err =3D=3D -EINTR) { - bt_dev_err(hdev, "Execution of wmt command interrupted"); - clear_bit(BTMTK_TX_WAIT_VND_EVT, &data->flags); - goto err_free_wc; - } + TASK_UNINTERRUPTIBLE, HCI_INIT_TIMEOUT); =20 if (err) { bt_dev_err(hdev, "Execution of wmt command timed out"); --=20 2.45.2