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Fri, 19 Apr 2024 21:48:57 GMT Received: from zijuhu-gv.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 19 Apr 2024 14:48:55 -0700 From: Zijun Hu To: , , CC: , , , , Subject: [PATCH v2 1/2] Bluetooth: MGMT: Fix failing to MGMT_OP_ADD_UUID/MGMT_OP_REMOVE_UUID Date: Sat, 20 Apr 2024 05:48:46 +0800 Message-ID: <1713563327-19694-2-git-send-email-quic_zijuhu@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1713563327-19694-1-git-send-email-quic_zijuhu@quicinc.com> References: <1713449192-25926-1-git-send-email-quic_zijuhu@quicinc.com> <1713563327-19694-1-git-send-email-quic_zijuhu@quicinc.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: EMtjf2AVbpyYP6EAVFwjo4ouOxozFqun X-Proofpoint-GUID: EMtjf2AVbpyYP6EAVFwjo4ouOxozFqun X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-19_15,2024-04-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 bulkscore=0 adultscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 mlxlogscore=999 malwarescore=0 spamscore=0 suspectscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404190170 From: Luiz Augusto von Dentz These commands don't require the adapter to be up and running so don't use hci_cmd_sync_queue which would check that flag, instead use hci_cmd_sync_submit which would ensure mgmt_class_complete is set properly regardless if any command was actually run or not. Link: https://github.com/bluez/bluez/issues/809 Fixes: d883a4669a1d ("Bluetooth: hci_sync: Only allow hci_cmd_sync_queue if running") Signed-off-by: Luiz Augusto von Dentz --- net/bluetooth/mgmt.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 7129e70a0253..68deec968405 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2623,7 +2623,11 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) goto failed; } - err = hci_cmd_sync_queue(hdev, add_uuid_sync, cmd, mgmt_class_complete); + /* MGMT_OP_ADD_UUID don't require adapter the UP/Running so use + * hci_cmd_sync_submit instead of hci_cmd_sync_queue. + */ + err = hci_cmd_sync_submit(hdev, add_uuid_sync, cmd, + mgmt_class_complete); if (err < 0) { mgmt_pending_free(cmd); goto failed; @@ -2717,8 +2721,11 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, goto unlock; } - err = hci_cmd_sync_queue(hdev, remove_uuid_sync, cmd, - mgmt_class_complete); + /* MGMT_OP_REMOVE_UUID don't require adapter the UP/Running so use + * hci_cmd_sync_submit instead of hci_cmd_sync_queue. + */ + err = hci_cmd_sync_submit(hdev, remove_uuid_sync, cmd, + mgmt_class_complete); if (err < 0) mgmt_pending_free(cmd); @@ -2784,8 +2791,11 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, goto unlock; } - err = hci_cmd_sync_queue(hdev, set_class_sync, cmd, - mgmt_class_complete); + /* MGMT_OP_SET_DEV_CLASS don't require adapter the UP/Running so use + * hci_cmd_sync_submit instead of hci_cmd_sync_queue. + */ + err = hci_cmd_sync_submit(hdev, set_class_sync, cmd, + mgmt_class_complete); if (err < 0) mgmt_pending_free(cmd); From patchwork Fri Apr 19 21:48:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: quic_zijuhu X-Patchwork-Id: 790877 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 A7BE47FBDA for ; 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Fri, 19 Apr 2024 21:49:20 +0000 (GMT) Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 43JLmx0n031354 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 19 Apr 2024 21:48:59 GMT Received: from zijuhu-gv.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 19 Apr 2024 14:48:58 -0700 From: Zijun Hu To: , , CC: , , , , Subject: [PATCH v2 2/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 Date: Sat, 20 Apr 2024 05:48:47 +0800 Message-ID: <1713563327-19694-3-git-send-email-quic_zijuhu@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1713563327-19694-1-git-send-email-quic_zijuhu@quicinc.com> References: <1713449192-25926-1-git-send-email-quic_zijuhu@quicinc.com> <1713563327-19694-1-git-send-email-quic_zijuhu@quicinc.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Jg0BiRJfpf9hHcvbQH8yWnkvKNzsqozv X-Proofpoint-ORIG-GUID: Jg0BiRJfpf9hHcvbQH8yWnkvKNzsqozv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-19_15,2024-04-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 phishscore=0 mlxscore=0 adultscore=0 malwarescore=0 priorityscore=1501 spamscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404190170 Commit 56d074d26c58 ("Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() with gpiod_get_optional()") will cause below serious regression issue: BT can't be enabled any more after below steps: cold boot -> enable BT -> disable BT -> BT enable failure if BT reset pin is not configured within DT|ACPI for QCA_QCA6390. The mentioned commit wrongly set quirk HCI_QUIRK_NON_PERSISTENT_SETUP within qca_serdev_probe() for this case and cause this serious issue. Fixed by reverting the mentioned commit for QCA_QCA6390. Fixes: 56d074d26c58 ("Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() with gpiod_get_optional()") Reported-by: Wren Turkal Link: https://bugzilla.kernel.org/show_bug.cgi?id=218726 Link: https://lore.kernel.org/linux-bluetooth/ea20bb9b-6b60-47fc-ae42-5eed918ad7b4@quicinc.com/T/#m73d6a71d2f454bb03588c66f3ef7912274d37c6f Signed-off-by: Zijun Hu Tested-by: Wren Turkal --- drivers/bluetooth/hci_qca.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 92fa20f5ac7d..0934e74112a6 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -2357,7 +2357,8 @@ static int qca_serdev_probe(struct serdev_device *serdev) if (IS_ERR(qcadev->bt_en)) { dev_warn(&serdev->dev, "failed to acquire enable gpio\n"); power_ctrl_enabled = false; - } + } else if (!qcadev->bt_en && qcadev->btsoc_type == QCA_QCA6390) + power_ctrl_enabled = false; qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL); if (IS_ERR(qcadev->susclk)) {