From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D81E5356769 for ; Tue, 12 May 2026 14:27:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778596055; cv=none; b=XKfpX4KTIVU4q/IbFTR0aGSZgSA9NxEx8lm/Hrue3nPRNOkMkaASX+u/f+XeFi+8+gDxHekTZZ2vm1+nJa9O3r3H4DL5AFbnp0KkEyUcO49ihwNK8sOgtD9MKIbiZn0CFT+ztUx0N4SzjI+H6vtRgXfSsGlwGjOb/t2L0KqIFqM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778596055; c=relaxed/simple; bh=1lZZ3NiqWIsQ4a4NwN80jxA/5jP5UNNv3WtfalNwWLY=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=bc5FiuIfwDzRy/O8SdP2VTqDIVLF9+EPSL0z3UXmukCllgIJOUh2igAJCeNAeanCTcrrvEOBmAbKRfnC4lNGxRCOsKPhDZWldQy/Bstkrx9Os66dRXp/ooNlJwatK/g68NuQWzaqajGSFAFXYv/rjmCVcctJY+jMShQL4h/opwk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=l78gnwV+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="l78gnwV+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D9A3C2BCB0; Tue, 12 May 2026 14:27:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1778596055; bh=1lZZ3NiqWIsQ4a4NwN80jxA/5jP5UNNv3WtfalNwWLY=; h=Subject:To:Cc:From:Date:From; b=l78gnwV+LPkWhXfKEGVImYwP1LOyiy9G0OkpvzAINgBUaF0QYWwWXOCvkNzfivkvt tKP7lUUv4ZYzVvAcEwcfKp8IbUSVYe7cwzVe5MC7i7nVB2VuVr+UTI6w6qG89+bDgv ROilcNgIh+wVekmEgLKyCaQDEg5eoY/9jtlF+YT8= Subject: FAILED: patch "[PATCH] power: supply: cw2015: Free allocated workqueue" failed to apply to 6.6-stable tree To: krzysztof.kozlowski@oss.qualcomm.com,andriy.shevchenko@linux.intel.com,sebastian.reichel@collabora.com Cc: From: Date: Tue, 12 May 2026 16:27:25 +0200 Message-ID: <2026051225-upstream-deserve-a683@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x db254b0b232358ab1aeadebe8d147c99a3569559 # git commit -s git send-email --to '' --in-reply-to '2026051225-upstream-deserve-a683@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From db254b0b232358ab1aeadebe8d147c99a3569559 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Thu, 5 Mar 2026 22:45:41 +0100 Subject: [PATCH] power: supply: cw2015: Free allocated workqueue Use devm interface so allocated workqueue will be freed during device removal and error paths, thus fixing a memory leak. Change is not equivalent in the workqueue itself: use non-legacy API which does not set (__WQ_LEGACY | WQ_MEM_RECLAIM). The workqueue is used to read updated data from the battery, thus there is no point to run it for memory reclaim. Cc: stable@vger.kernel.org Fixes: b4c7715c10c1 ("power: supply: add CellWise cw2015 fuel gauge driver") Signed-off-by: Krzysztof Kozlowski Reviewed-by: Andy Shevchenko Link: https://patch.msgid.link/20260305-workqueue-devm-v2-2-66a38741c652@oss.qualcomm.com Signed-off-by: Sebastian Reichel diff --git a/drivers/power/supply/cw2015_battery.c b/drivers/power/supply/cw2015_battery.c index a05dcc4a48f2..286524d2318c 100644 --- a/drivers/power/supply/cw2015_battery.c +++ b/drivers/power/supply/cw2015_battery.c @@ -694,7 +694,8 @@ static int cw_bat_probe(struct i2c_client *client) "No monitored battery, some properties will be missing\n"); } - cw_bat->battery_workqueue = create_singlethread_workqueue("rk_battery"); + cw_bat->battery_workqueue = devm_alloc_ordered_workqueue(&client->dev, + "rk_battery", 0); if (!cw_bat->battery_workqueue) return -ENOMEM;