From nobody Mon Sep 28 04:10:55 2026 Received: from sg-2-5.ptr.blmpb.com (sg-2-5.ptr.blmpb.com [71.18.227.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 00C9030B53F for ; Wed, 26 Aug 2026 21:22:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=71.18.227.5 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787779362; cv=none; b=ohb58QUHVMgID0C+LjEZFv/E26pboTOuO/aK6xWecrb7+/He7Lob2NeTi575PCFviSZH4bBjZNAF2h6I4UAdCX4uCJypQiTcokGNPeRtxcfauluy2+BlLpo2exQ7ad7PIwfsmeOdayFb8NWnS1ErpJ5/LmSPmu1q/SOef8dUvnY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787779362; c=relaxed/simple; bh=X7jtbksA3CZPJmBAGM4XuJ8n1h4BDQWRewnDoQ44Gas=; h=Content-Type:From:Date:To:Message-Id:Cc:Subject:Mime-Version; b=kojg4AE8D4Ox8LvVPQDndXy+CfYOgN7tqPWNpx5h9obRfWnfilZLV7rJiyv3JNnr38tsJyaXGBN4A6oY0l0dCc/OmWoozBLPPQY98grRgLBgzMh78ABQBmykLLavFrtmIws+bzsaUxCMPcZWLq8mxZ7Lt4moQVTE8/41ext1PpM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=cherr.cc; spf=pass smtp.mailfrom=cherr.cc; dkim=pass (2048-bit key) header.d=cherr.cc header.i=@cherr.cc header.b=zI+QHNNi; arc=none smtp.client-ip=71.18.227.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=cherr.cc Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=cherr.cc Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cherr.cc header.i=@cherr.cc header.b="zI+QHNNi" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=feishu2604220257; d=cherr.cc; t=1787779354; h=from:subject: mime-version:from:date:message-id:subject:to:cc:reply-to:content-type: mime-version:in-reply-to:message-id; bh=W9vZu2zKGaMGtvu0O3flOjnu9HCBU0WdS+0u+R/OMwA=; b=zI+QHNNi+QJTN2oAebXmuwvrU3YqPYW/1HdB2MH5s//UeTCJGTzZfqv8i6b+bly2XE0zsN uj6o9uId6fKLbsKujksDgO2xHHcUvyqPy7O4nr8P7yh1DECZeQbBvDmHHUquHWdkdg7rVN 2rl/i0jB/Tsc07wFuAf0J1OkHgKp1dLAvCzokyJguvnTaFM8837iMp/760SeWRTyfyIHsM n+HirKqV41LJDTcwjJLfd7YS0Q+kc7dD1iTVG6a3KxMKKiJ7LDVuVXYEqnmuOQHDYF3lTv h03PowKF15uLSf758i70VFI8W/N06vgqiTUzqcjxV9aV9acpvflRbQb/RxYpGQ== From: "Shengzhuo Wei" Date: Thu, 27 Aug 2026 05:22:29 +0800 Received: from [192.168.9.107] ([111.42.148.146]) by smtp.feishu.cn with ESMTPS; Thu, 27 Aug 2026 05:22:31 +0800 Content-Transfer-Encoding: quoted-printable X-Lms-Return-Path: X-Change-Id: 20260827-bq27xxx-suspend-cancel-sync-7c60fc384041 To: =?utf-8?q?Pali_Roh=C3=A1r?= , "Sebastian Reichel" , "Hans de Goede" , "Marek Vasut" Message-Id: <20260827-bq27xxx-suspend-cancel-sync-v1-1-77a67711cbc3@cherr.cc> X-Original-From: Shengzhuo Wei X-B4-Tracking: v=1; b=H4sIABRZj2oC/yXMwQ6CMAwA0F8hPdtkTMKIv2I8QClaQiquYmYI/ +6E47u8FYyjsMGlWCHyR0yemlGeCqBHq3dG6bPBO1+7xgfsXj6klNAWm1l7pFaJJ7SvEgaq3UD npnJVCXmYIw+S9v16O2xLNzK9/yVs2w/SGAcsfwAAAA== Cc: "Sebastian Reichel" , , , , "Shengzhuo Wei" Subject: [PATCH] power: supply: bq27xxx: synchronize work cancellation on suspend Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: b4 0.16.0 Content-Type: text/plain; charset="utf-8" The poll work requeues itself via mod_delayed_work() while the device is not removed. cancel_delayed_work() does not wait for a callback that is already running, so a poll racing with suspend can keep issuing I2C transfers after suspend returns and requeue itself into early resume. Use cancel_delayed_work_sync() to quiesce polling before suspend completes, as the teardown path already does. Fixes: dfcb264a01a9 ("power: supply: bq27xxx: Stop and start delayed work i= n suspend and resume") Cc: stable@vger.kernel.org Signed-off-by: Shengzhuo Wei --- Same class as 86a3a8a926aa ("power: supply: max17040: synchronize work cancellation on suspend"): suspend is the only remaining site using the non-synchronous cancel, the teardown path already uses cancel_delayed_work_sync(). --- drivers/power/supply/bq27xxx_battery.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/= bq27xxx_battery.c index 01c9ec1116fa..4d4809a70b62 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -2291,7 +2291,7 @@ static int bq27xxx_battery_suspend(struct device *dev) { struct bq27xxx_device_info *di =3D dev_get_drvdata(dev); =20 - cancel_delayed_work(&di->work); + cancel_delayed_work_sync(&di->work); return 0; } =20 --- base-commit: 45c13f3f9e3bb15fd89ff2864c6f627a3b4b4229 change-id: 20260827-bq27xxx-suspend-cancel-sync-7c60fc384041 Best regards, -- =20 Shengzhuo Wei