From patchwork Mon Sep 16 11:39:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Lu X-Patchwork-Id: 829280 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (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 067E54962E; Mon, 16 Sep 2024 11:54:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726487692; cv=none; b=mbQkluoFNehLXQD8BhzCShy8WGLQ8btu9Iktsw5hSACfTfQM6lI516EMOQtmJBoliUB+510rTLk4P2go8zHvivnB03TriZFOWW5dhbwgobQBH/skou+XMBtTJqlYZgBSA9kIfFOWJmozodH65eXCW05U2HHQa2RyLmNoxitrn1E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726487692; c=relaxed/simple; bh=Hjcj1TGJjgWgp9A03PePIin+64eYkNyZdQQE86sW2MI=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=bRQTXXVFGRD9CF9D9D7OzbT2Y2MAVxCWNeibAoUk5jp0rzZ7EKQT9h2itTcJdTSVthYjPR0NTzSSXbGU99njhjh5r1R1Z9h2UODJQjaJjLAezGlqOY5iepNls0ZApF/YnMPyT26XDqUcqnduB4YON6JDfhpfB/zJ+UqHm8e0g5M= 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=jhxDCcUQ; arc=none smtp.client-ip=60.244.123.138 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="jhxDCcUQ" X-UUID: 5d87228c742011efb66947d174671e26-20240916 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=38IMJE5WIH2ScTHkA+IUKdspIObV4usS2GG6oZTIqTY=; b=jhxDCcUQfj8x1AKi4hfzAODBlr8VP2hVuJ/6phat2W4ZkOQMQ5eYNpqQrTUULMLD3K8f55nmec3VfvdqAKHuRbhtl82MumcyCuOQag8bP966h52AMdMXNZoXyaSObwlv0AHBA2MkiedNQlzAG/hNpubbeqWga7anHYDOO//1h9g=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41, REQID:27932da2-6919-4645-9469-0f9583d5e65e, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:6dc6a47, CLOUDID:4e6317b7-8c4d-4743-b649-83c6f3b849d4, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL: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-UUID: 5d87228c742011efb66947d174671e26-20240916 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 715248476; Mon, 16 Sep 2024 19:39:42 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 16 Sep 2024 19:39:41 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 16 Sep 2024 19:39:41 +0800 From: Chris Lu To: Marcel Holtmann , Johan Hedberg , Luiz Von Dentz CC: Sean Wang , Aaron Hou , Steve Lee , linux-bluetooth , linux-kernel , linux-mediatek , Chris Lu Subject: [PATCH 0/4] Bluetooth: btusb: Mediatek ISO interface cliam/release adjustment Date: Mon, 16 Sep 2024 19:39:34 +0800 Message-ID: <20240916113938.30285-1-chris.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 MediaTek performs some test on the platform which can support LE audio and ISO data transmission with kernel driver. We found the additional interface claim and release flow issue need some adjustment. These patches mainly add a callback function within the usb_disconnect function to prevent a kernel panic caused by interfaces not being released when the BT USB dongle is physically removed. Additionally, the condition for claiming/releasing ISO usb interface have also been adjusted to make driver works as expected. Chris Lu (4): Bluetooth: btusb: mediatek: move Bluetooth power off in btusb_mtk_shutdown Bluetooth: btusb: add callback function in btusb_disconnect Bluetooth: btusb: mediatek: add intf release flow in usb disconnect Bluetooth: btusb: mediatek: change the conditions for claiming/releasing iso interface drivers/bluetooth/btusb.c | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-)