From nobody Fri Nov 29 08:38:04 2024 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 6B7B519343E; Mon, 23 Sep 2024 08:47:14 +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=1727081237; cv=none; b=d37EvF42wOkXorJpjiJegKJ+jzO44v3rny93roKAH7XouYLZCXXILBYb49xDM7XphHcPf8aYOl4664Vw2nC6T878feKbjDdiXYonDSJOgFea6JMUPpfyK5lOUCn7e3taBhk+ZtQ/HmNdios8c9eRr5hMEaqJVtgy/S69envhDGE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727081237; c=relaxed/simple; bh=jR4pNNMrVF5eHW9z98Mx+XRPXtc83p/n+p1TIJ2o0P8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=um4w76hs2x7teev69+SBJhGi2aGKd2pAnJy4/FoDONkG58sTXxnbhm6ZrsKYW0dyqUKCkrGrW7VgYC7IVhbkgnFBCZfFlNKXJ/QE6bvpebSU+QlGqPOehKWzbTtLOUL3rcAumVydnHVm50EZShUE9w2zWDpbvSvxFwok9U9RzV4= 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=q5ZS8qjn; 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="q5ZS8qjn" X-UUID: 6be2eed4798811ef8b96093e013ec31c-20240923 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=R7PfRKskVGwT9r2F1Yqlbbe6a3JQ6+g4PrqqXljQYNI=; b=q5ZS8qjny04/H4bVbXjmYzgEygO8REWZqinpjb0HxlV2m24RUUGSUuAg4Y4m3zKOblghJLz+oGulupelvMfCUC3BgvmrmSC7XkcK36WoMTM7j/qplFcQwImKsVEzDcc91I9uZZNyCuHcJhmb/iaIhkI643juDr3b8wBrlpsF25M=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41,REQID:e1b7014e-8064-4b1f-a28f-e1f2e51e865b,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:d6276a9e-8e9a-4ac1-b510-390a86b53c0a,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,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,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: 6be2eed4798811ef8b96093e013ec31c-20240923 Received: from mtkmbs09n2.mediatek.inc [(172.21.101.94)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 934710522; Mon, 23 Sep 2024 16:47:10 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 23 Sep 2024 16:47:08 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 23 Sep 2024 16:47:08 +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 v3 1/4] Bluetooth: btusb: mediatek: move Bluetooth power off command position Date: Mon, 23 Sep 2024 16:47:02 +0800 Message-ID: <20240923084705.14123-2-chris.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240923084705.14123-1-chris.lu@mediatek.com> References: <20240923084705.14123-1-chris.lu@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--1.896600-8.000000 X-TMASE-MatchedRID: uBK5O+9wx1H9jxte3IFskCmjEOrcO6AyTJDl9FKHbrkKogmGusPLb1Rw 2bAU6/Xp4vM1YF6AJbZhyT3WNjppUtAtbEEX0MxBxEHRux+uk8ifEzJ5hPndGWE2zAPzjeJcFYG LjtbYxOuAcoXqsszlIOBwlKjaWOxqIhQQ1YNJEQ6Qevzt5Pblqb/4zoQq0vAalqQnhpXEWk7KW8 lyn96FsnmVKZusLp922v9OjYWA2uMMswg45VMfPadst5iAforfVlxr1FJij9s= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--1.896600-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 8494FE5B73917A51B060E8BCB5049AA4273515BDA073E1D14D47D35F19A8FAA52000:8 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Move MediaTek Bluetooth power off command before releasing usb ISO interface. Signed-off-by: Chris Lu --- drivers/bluetooth/btusb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 6c9c761d5b93..6cf1729a8225 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2704,11 +2704,14 @@ static int btusb_mtk_shutdown(struct hci_dev *hdev) { struct btusb_data *data =3D hci_get_drvdata(hdev); struct btmtk_data *btmtk_data =3D hci_get_priv(hdev); + int ret; + + ret =3D btmtk_usb_shutdown(hdev); =20 if (test_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags)) btusb_mtk_release_iso_intf(data); =20 - return btmtk_usb_shutdown(hdev); + return ret; } =20 #ifdef CONFIG_PM --=20 2.18.0 From nobody Fri Nov 29 08:38:04 2024 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 B9108194125; Mon, 23 Sep 2024 08:47:16 +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=1727081238; cv=none; b=hiHTQcFJVUlslekmB8+19Lw/bUDlNPQm6pTEMYfLefY3nD6rqi0JX2Hx4/05XsBywbc88mFcDMj51fAdVGTpqvyCae+kOzSLAEcP0kSXb8xEwS3aCMMX4GNVjR2gJaV+BSoql+PwMFyM8qFDdeZYA8ulRMVa2SDsDcWZgqP1mAk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727081238; c=relaxed/simple; bh=ErlmQATV3KUxZ0pNDbOp/Z8kjpZtkw+CDEdk+T4exgE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=S33lhFRqBzBRaEoUJe4aPYu0bfygKUokvjzrrQDAw00NZzvI+buED4xl9s21KlIdbVs7aJHjYAU27W9Tata54jeBhoqVmSWgo2ZAcd8AdiQ2PpdBazVNuyJ5/KQU/3BoJOWJXpSZL+JfIjLlXFD3VTGFxV1G770SLEpHjuYF3os= 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=nKXjdnv5; 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="nKXjdnv5" X-UUID: 6b64dd82798811efb66947d174671e26-20240923 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=XipE8K6FG5ApXm17jslcvcuiOVDMbsFWv6YXb7+IIOc=; b=nKXjdnv5vhaNCy9eH6KX8TZ8P7op6sGHMf7EQHbrEcJ9qqVr/usW6m4Iht3/CPkgNzxRhZKdI1ejN3hiTUP2vwI9uh8hDHDI/NsXQMR3LW4GOxTRkiNIM91Rn/CKxo6FqBg9bzu8d82pv8kbD7w53adDprIngI6dTi9PujWV3hU=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41,REQID:74d0ac6d-3bf8-4279-a8ce-d1eeca3c402a,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:fe276a9e-8e9a-4ac1-b510-390a86b53c0a,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,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,TF_CID_SPAM_ULN X-UUID: 6b64dd82798811efb66947d174671e26-20240923 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1562995415; Mon, 23 Sep 2024 16:47:09 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) 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, 23 Sep 2024 16:47:08 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 23 Sep 2024 16:47:08 +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 v3 2/4] Bluetooth: btusb: mediatek: add callback function in btusb_disconnect Date: Mon, 23 Sep 2024 16:47:03 +0800 Message-ID: <20240923084705.14123-3-chris.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240923084705.14123-1-chris.lu@mediatek.com> References: <20240923084705.14123-1-chris.lu@mediatek.com> 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 Content-Type: text/plain; charset="utf-8" Add disconnect callback function in btusb_disconnect which is reserved for vendor specific usage before deregister hci in btusb_disconnect. Signed-off-by: Chris Lu --- drivers/bluetooth/btusb.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 6cf1729a8225..dfc42bdc8aaf 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -846,6 +846,7 @@ struct btusb_data { =20 int (*suspend)(struct hci_dev *hdev); int (*resume)(struct hci_dev *hdev); + int (*disconnect)(struct hci_dev *hdev); =20 int oob_wake_irq; /* irq for out-of-band wake-on-bt */ unsigned cmd_timeout_cnt; @@ -4011,6 +4012,9 @@ static void btusb_disconnect(struct usb_interface *in= tf) if (data->diag) usb_set_intfdata(data->diag, NULL); =20 + if (data->disconnect) + data->disconnect(hdev); + hci_unregister_dev(hdev); =20 if (intf =3D=3D data->intf) { --=20 2.18.0 From nobody Fri Nov 29 08:38:04 2024 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 00F0D3032A; Mon, 23 Sep 2024 08:47:13 +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=1727081236; cv=none; b=JMnZdOsbf9gkD6mNaiIyf8f4Tb9vg26bIQ5mHuFC3znanKsMYVD0D8DGkd7F45RmjmqFFFDMUPz1pi9Q/z7i9A/6UjRD6XMZkYLOE50dOejWWfXsvyah23zZ7Y5PPp3OiJXRKO6Xmh5JHJ/Yj4TAvYg52Bwf3I1nIZkdwB82jIs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727081236; c=relaxed/simple; bh=3eBThKPx00BqamOCCs/0dhkLCI+140Bn9iiw/lSAbS0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ed8/wcdxI6TE3KeTnrXKReEgZDlHnFZNcaj2TQewQkmWi63qzjkj/FqKV50KJguELAXVzvl/DMsLlCul/qaKByZXPyGqCObaEpq+PzXkOrwnlz583G8lrVYPMT/X8luXegYUuC16WEsxpkHAEv4f3SDLEdAuAR7RYnep9sb57fA= 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=gB0nzu+R; 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="gB0nzu+R" X-UUID: 6aeaa026798811efb66947d174671e26-20240923 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=YrLQBkr+4O7imCtu0pzv5R4puxbMisvPpZU/zFZINAI=; b=gB0nzu+RJ9z7B9RMTB8UVzV5axbU5sPQMvt6kHSto4DP7JKLMJKZSj5X0+C77qmcsRLkUNZlyz4W+8KT/a6qsWPKz81T46DddCRDv4gAb3fvMvX8G2CH6QR1Xda8cB/V2gDt1m9NFKNrr9ncCpdT9QTFlwzjhkgaqV5Ix9vOTeE=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41,REQID:0b5f89bc-b52b-4a54-a86a-11cf3d3c6366,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:a9276a9e-8e9a-4ac1-b510-390a86b53c0a,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,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,TF_CID_SPAM_ULN X-UUID: 6aeaa026798811efb66947d174671e26-20240923 Received: from mtkmbs09n2.mediatek.inc [(172.21.101.94)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 394688150; Mon, 23 Sep 2024 16:47:08 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 23 Sep 2024 16:47:08 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 23 Sep 2024 16:47:08 +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 v3 3/4] Bluetooth: btusb: mediatek: add intf release flow when usb disconnect Date: Mon, 23 Sep 2024 16:47:04 +0800 Message-ID: <20240923084705.14123-4-chris.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240923084705.14123-1-chris.lu@mediatek.com> References: <20240923084705.14123-1-chris.lu@mediatek.com> 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 Content-Type: text/plain; charset="utf-8" MediaTek claim an special usb intr interface for ISO data transmission. The interface need to be released before unregistering hci device when usb disconnect. Removing BT usb dongle without properly releasing the interface may cause Kernel panic while unregister hci device. Signed-off-by: Chris Lu --- drivers/bluetooth/btusb.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index dfc42bdc8aaf..a434aefe68f2 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2614,9 +2614,9 @@ static void btusb_mtk_claim_iso_intf(struct btusb_dat= a *data) set_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); } =20 -static void btusb_mtk_release_iso_intf(struct btusb_data *data) +static void btusb_mtk_release_iso_intf(struct hci_dev *hdev) { - struct btmtk_data *btmtk_data =3D hci_get_priv(data->hdev); + struct btmtk_data *btmtk_data =3D hci_get_priv(hdev); =20 if (btmtk_data->isopkt_intf) { usb_kill_anchored_urbs(&btmtk_data->isopkt_anchor); @@ -2632,6 +2632,16 @@ static void btusb_mtk_release_iso_intf(struct btusb_= data *data) clear_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); } =20 +static int btusb_mtk_disconnect(struct hci_dev *hdev) +{ + /* This function describes the specific additional steps taken by MediaTek + * when Bluetooth usb driver's resume function is called. + */ + btusb_mtk_release_iso_intf(hdev); + + return 0; +} + static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) { struct btusb_data *data =3D hci_get_drvdata(hdev); @@ -2649,7 +2659,7 @@ static int btusb_mtk_reset(struct hci_dev *hdev, void= *rst_data) return err; =20 if (test_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags)) - btusb_mtk_release_iso_intf(data); + btusb_mtk_release_iso_intf(hdev); =20 btusb_stop_traffic(data); usb_kill_anchored_urbs(&data->tx_anchor); @@ -2703,14 +2713,13 @@ static int btusb_mtk_setup(struct hci_dev *hdev) =20 static int btusb_mtk_shutdown(struct hci_dev *hdev) { - struct btusb_data *data =3D hci_get_drvdata(hdev); struct btmtk_data *btmtk_data =3D hci_get_priv(hdev); int ret; =20 ret =3D btmtk_usb_shutdown(hdev); =20 if (test_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags)) - btusb_mtk_release_iso_intf(data); + btusb_mtk_release_iso_intf(hdev); =20 return ret; } @@ -3824,6 +3833,7 @@ static int btusb_probe(struct usb_interface *intf, data->recv_acl =3D btmtk_usb_recv_acl; data->suspend =3D btmtk_usb_suspend; 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Mon, 23 Sep 2024 16:47:10 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 23 Sep 2024 16:47:08 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 23 Sep 2024 16:47:08 +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 v3 4/4] Bluetooth: btusb: mediatek: change the conditions for ISO interface Date: Mon, 23 Sep 2024 16:47:05 +0800 Message-ID: <20240923084705.14123-5-chris.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240923084705.14123-1-chris.lu@mediatek.com> References: <20240923084705.14123-1-chris.lu@mediatek.com> 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 Content-Type: text/plain; charset="utf-8" Change conditions for Bluetooth driver claiming and releasing usb ISO interface for MediaTek ISO data transmission. Signed-off-by: Chris Lu --- drivers/bluetooth/btusb.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index a434aefe68f2..9affe4f81294 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2618,7 +2618,7 @@ static void btusb_mtk_release_iso_intf(struct hci_dev= *hdev) { struct btmtk_data *btmtk_data =3D hci_get_priv(hdev); =20 - if (btmtk_data->isopkt_intf) { + if (test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { usb_kill_anchored_urbs(&btmtk_data->isopkt_anchor); clear_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags); =20 @@ -2658,8 +2658,8 @@ static int btusb_mtk_reset(struct hci_dev *hdev, void= *rst_data) if (err < 0) return err; =20 - if (test_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags)) - btusb_mtk_release_iso_intf(hdev); + /* Release MediaTek ISO data interface */ + btusb_mtk_release_iso_intf(hdev); =20 btusb_stop_traffic(data); usb_kill_anchored_urbs(&data->tx_anchor); @@ -2704,22 +2704,22 @@ static int btusb_mtk_setup(struct hci_dev *hdev) btmtk_data->reset_sync =3D btusb_mtk_reset; =20 /* Claim ISO data interface and endpoint */ - btmtk_data->isopkt_intf =3D usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM); - if (btmtk_data->isopkt_intf) + if (!test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { + btmtk_data->isopkt_intf =3D usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM); btusb_mtk_claim_iso_intf(data); + } =20 return btmtk_usb_setup(hdev); } =20 static int btusb_mtk_shutdown(struct hci_dev *hdev) { - struct btmtk_data *btmtk_data =3D hci_get_priv(hdev); int ret; =20 ret =3D btmtk_usb_shutdown(hdev); =20 - if (test_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags)) - btusb_mtk_release_iso_intf(hdev); + /* Release MediaTek iso interface after shutdown */ + btusb_mtk_release_iso_intf(hdev); =20 return ret; } --=20 2.18.0