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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30c1bddfe34sm12025561eec.20.2026.06.22.07.52.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jun 2026 07:52:24 -0700 (PDT) From: Zijun Hu Date: Mon, 22 Jun 2026 07:52:23 -0700 Subject: [PATCH 10/13] 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: <20260622-bt_bugfix-v1-10-11f936d84e72@oss.qualcomm.com> References: <20260622-bt_bugfix-v1-0-11f936d84e72@oss.qualcomm.com> In-Reply-To: <20260622-bt_bugfix-v1-0-11f936d84e72@oss.qualcomm.com> To: Marcel Holtmann , Luiz Augusto von Dentz , Rocky Liao , Bartosz Golaszewski , Ben Young Tae Kim , Balakrishna Godavarthi , Matthias Kaehlcke 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-Proofpoint-ORIG-GUID: C4KBTuhfVpaURyBU6ys322yFlNcPwEgK X-Proofpoint-GUID: C4KBTuhfVpaURyBU6ys322yFlNcPwEgK X-Proofpoint-Spam-Info: AW1haW4tMjYwNjIyMDE0NyBTYWx0ZWRfX6rkpFJhgZG5q 8dv530iMsYHTVpMiCmN3s2FSiPA2ldhwo2Y3cRVrzmCe7hg0PyN947ZZrrmKrIAoLv9b1G9zGfQ uHWUFEvDPmMA1piW5dDfo/ZHSmuzpMU= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjIyMDE0NyBTYWx0ZWRfX7obT66s2YKjL d5cuEMcyNJfu29D/DS3Kxoot95VTo8cV6H7KBPnTy5dJQwGBH9wlzV2LwDvETYRAbYXzax+4c4+ L3y0G4XN+v9MkGOcGFTGhLj3Q+y0GvcA2ELGnBlN+4yyzf0SZWjmLDbzx8jEV/RmgitXkBjFuXi GIZRYPTJoThGVypgSacag4LRKHjhymbiiCOg2/g6EdeOVaQL7y9pWIo9i2vmz3b1tdB3UauxsKJ TErvfcY4zM3vfC2Y+QWGuzXchC7CuxKWQhWA0J0gY5Qvncc6XW/kHPXnfxnrvwCpCfuadL5X7YP Et2MsuGw7/iSaFg5yhog7edCynJ8nmQ2HHCEVXMW8s27gkmQqerFd1AkO9dD2+yB3PxWfiBD6cj Fvr3H04F8GHZfVEGNWPD2mxh6K2asMd4CCgU7mhTe26c3igFmI7iYlh/JqM+qvRzXPR5UoLVTb6 70tAHkBAyCPc+HsjIvQ== X-Authority-Analysis: v=2.4 cv=YLSvDxGx c=1 sm=1 tr=0 ts=6a394c29 cx=c_pps a=Uww141gWH0fZj/3QKPojxA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=v96isoq9qFqoqtIwOPsA:9 a=QEXdDO2ut3YA:10 a=PxkB5W3o20Ba91AHUih5:22 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=2026-06-22_02,2026-06-22_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 bulkscore=0 clxscore=1015 phishscore=0 adultscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606220147 Use the new __hci_reset_sync() API instead of open-coding the HCI reset. 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 e78277e24cd8..21e125db1b1f 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