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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30c7c4ca240sm14345291eec.4.2026.06.25.22.19.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jun 2026 22:19:57 -0700 (PDT) From: Zijun Hu Date: Thu, 25 Jun 2026 22:19:53 -0700 Subject: [PATCH v2 08/12] Bluetooth: btusb: Simplify btusb_shutdown_qca() by using __hci_reset_sync() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260625-bt_bugfix-v2-8-93396a6f7d5e@oss.qualcomm.com> References: <20260625-bt_bugfix-v2-0-93396a6f7d5e@oss.qualcomm.com> In-Reply-To: <20260625-bt_bugfix-v2-0-93396a6f7d5e@oss.qualcomm.com> To: Marcel Holtmann , Luiz Augusto von Dentz , Rocky Liao , Bartosz Golaszewski , Ben Young Tae Kim , Balakrishna Godavarthi , Matthias Kaehlcke , Tim Jiang Cc: Zijun Hu , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, Luiz Augusto von Dentz , linux-arm-msm@vger.kernel.org, Zijun Hu X-Mailer: b4 0.14.3 X-Authority-Analysis: v=2.4 cv=TO11jVla c=1 sm=1 tr=0 ts=6a3e0c00 cx=c_pps a=SvEPeNj+VMjHSW//kvnxuw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=twxtTYS7d_BC4swYIWIA:9 a=QEXdDO2ut3YA:10 a=Kq8ClHjjuc5pcCNDwlU0:22 X-Proofpoint-ORIG-GUID: g435yrKLJGMtCaAhtmVmP4eJ_YlkUOFv X-Proofpoint-Spam-Info: AW1haW4tMjYwNjI2MDA0MCBTYWx0ZWRfXw3I5j8GApgIi 2jtZd/H6/HxTqcnrmMFB9L0ZdTAmTGpVOS/Rz0GTS3YkcNYMY7cFsTVLybpmiD9ez2W0djacn+d 1PthBBIaxXPkU+F1M/FbeOHF8ahYgCo= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI2MDA0MCBTYWx0ZWRfX3WYfd7ehUb4S jHd+9sMmuS3BN9q7/vaVY3G56mTTmxB4A+/xJQLBpA22uf7zMXkx9Ai9h9C3h8/PImWqAF7CCdA zyf2HpKxDFdi3mnGnJWaehUzf22FgzUFuCKVcIkTX07GiPT2KldUwK3w2ubPkxnpSQJ/amgMZ+s Dq1ndaRpmbtpXIaxkx9S2WftjxVCWRxChHMlmZzlTn/2kNKySExj0eIdT7x01hKPlYIz4igjx/J tQPYE7dm+/ggwG9zG3c71vS9S5Z1Mh+6G72jPzixnZEnQmi2fZqKwAKRx/rpzNQ+xpnxQ5nusrL IB2lhn0SUIwxGScFdxPwulsBqti5QABttolL5+3oJAGWyoi8t9cayObw3O+NzawM8d5ozSByRnK fCI8wZLDExdrhAN94M9NFxy9rIQSYlPGpkZHVoapEVjPzttLAGFJNRxCG0fL/Ajka2/SucTP8jY NntDH4NdpBG2s6wvV4g== X-Proofpoint-GUID: g435yrKLJGMtCaAhtmVmP4eJ_YlkUOFv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-26_01,2026-06-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 phishscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606260040 btusb_shutdown_qca() open-codes a synchronous raw HCI reset that is functionally equivalent to the newly added __hci_reset_sync(). Replace it with __hci_reset_sync() and return its result directly. Signed-off-by: Zijun Hu --- drivers/bluetooth/btusb.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index a5ff4af90675..25bbee8f5d93 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3900,16 +3900,13 @@ static bool btusb_wakeup(struct hci_dev *hdev) static int btusb_shutdown_qca(struct hci_dev *hdev) { - struct sk_buff *skb; + int err; - skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); - if (IS_ERR(skb)) { + err = __hci_reset_sync(hdev); + if (err) bt_dev_err(hdev, "HCI reset during shutdown failed"); - return PTR_ERR(skb); - } - kfree_skb(skb); - return 0; + return err; } static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf, -- 2.34.1