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 0358028725A; Wed, 1 Apr 2026 15:19:45 +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=1775056786; cv=none; b=GlYJKnGrt647OOkIIrWAJYy7AyCkoc0DjQ0j/k78To5kEfuSRx95lecEq6PN7S62X6iA78CbAFm6R7pZm5eRCikWW/jES4GYbC42cO/AAm5eoAuw+d6ckZiw4dgeuMXPm64P5IUvBbBdzT598QvfxMY5THH9Y4wgxIZgdoTIzY4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775056786; c=relaxed/simple; bh=0n6QUhLSn4u6mJHrfZLnICw0951wBVsr/UfSncMxpKc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=bz6FfLUIYYIDcbwAOA7bRupIyTTkyEM1RSYtQUCXTn2Zey/OjWjZc30WsOD4RQNvY17cAvWq+UVzxIN6vE/0Ae5HpppUJ8fi1f7oe+FkmVYcW6JjaiY6Dn9F+lsmzEDqLbr9QdsyhOZuFMPOvz0Rn0GBJWWNYcAzaoj0R8ctjSA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WOSf+c8T; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WOSf+c8T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2981DC4CEF7; Wed, 1 Apr 2026 15:19:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775056785; bh=0n6QUhLSn4u6mJHrfZLnICw0951wBVsr/UfSncMxpKc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=WOSf+c8TzlKbkZRCaxSvWp3BySeo8yn8pugDmRsNTvlcrHkZA81VAJyjkdePm1g/4 uq0yK9BjapEXOUw5rUqGLO6PPJ7iMgAtJT5hFIaGFiZr3thTP74k16hZtQJCpBHmbO PbPKlHzM30c44vc+hzJ4oV4m3KewNcaCdc/zVrQbS7ugaU6JJC2Ycp/61LIkgL7C8z JXBzHfp9jOXjLwYyiaLO/bw/HwhI8kc3G5gPxxyyXn9mBwTTBO01nR0LAELW08+PZ1 BLs0AfX2jiBWgjjnnCut1pfEgH5472SARXhbaJZ03+4TuebuH0963WCf4oQizGInpw cCkfnPORF4Njg== Message-ID: Date: Wed, 1 Apr 2026 17:19:38 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v20 01/10] power: reset: reboot-mode: Remove devres based allocations To: Shivendra Pratap , Lorenzo Pieralisi , Arnd Bergmann , Bjorn Andersson , Sebastian Reichel , Rob Herring , Souvik Chakravarty , Krzysztof Kozlowski , Andy Yan , Matthias Brugger , Mark Rutland , Conor Dooley , Konrad Dybcio , John Stultz , Moritz Fischer , Bartosz Golaszewski , Sudeep Holla Cc: Florian Fainelli , Dmitry Baryshkov , Mukesh Ojha , Andre Draszik , Kathiravan Thirumoorthy , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Srinivas Kandagatla References: <20260304-arm-psci-system_reset2-vendor-reboots-v20-0-cf7d346b8372@oss.qualcomm.com> <20260304-arm-psci-system_reset2-vendor-reboots-v20-1-cf7d346b8372@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 04/03/2026 19:03, Shivendra Pratap wrote: > Devres APIs are intended for use in drivers, where the managed lifetime > of resources is tied directly to the driver attach/detach cycle. In > shared subsystem code, there is no guarantee that the subsystem > functions will only be called after a driver has been attached, nor that > they will not be referenced after the managed resources have been > released during driver detach. > > To ensure correct lifetime handling, avoid using devres-based > allocations in the reboot-mode and explicitly handle allocation and > cleanup of resources. > > Fixes: 4fcd504edbf7 ("power: reset: add reboot mode driver") I don't think this is correct tag. That commit added code which was a driver, not subsystem level things. Using devres, as you pointed out, in platform_driver is correct. Otherwise please specify what bug from that commit is being fixed. Best regards, Krzysztof