linux-kernel - Re: [PATCH v10 02/10] dt-bindings: power: reset: Document reboot-mode cookie

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <42a98c8d-7287-8aa1-ad39-4d5b79e177b7@oss.qualcomm.com>
Date: Fri, 11 Jul 2025 23:19:51 +0530
From: Shivendra Pratap <shivendra.pratap@....qualcomm.com>
To: Arnd Bergmann <arnd@...db.de>, Rob Herring <robh@...nel.org>
Cc: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Sebastian Reichel <sre@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Souvik Chakravarty <Souvik.Chakravarty@....com>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Andy Yan <andy.yan@...k-chips.com>,
        Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Olof Johansson <olof@...om.net>,
        Konrad Dybcio <konradybcio@...nel.org>,
        cros-qcom-dts-watchers@...omium.org, Vinod Koul <vkoul@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Florian Fainelli <florian.fainelli@...adcom.com>,
        Elliot Berman <elliotb317@...il.com>,
        Stephen Boyd <swboyd@...omium.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
        André Draszik
 <andre.draszik@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        linux-samsung-soc@...r.kernel.org, Wei Xu <xuwei5@...ilicon.com>,
        linux-rockchip@...ts.infradead.org,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Sen Chu <sen.chu@...iatek.com>, Sean Wang <sean.wang@...iatek.com>,
        Macpaul Lin <macpaul.lin@...iatek.com>,
        AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
        Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Elliot Berman <quic_eberman@...cinc.com>,
        Srinivas Kandagatla <srini@...nel.org>
Subject: Re: [PATCH v10 02/10] dt-bindings: power: reset: Document reboot-mode
 cookie



On 7/11/2025 11:09 PM, Arnd Bergmann wrote:
> On Fri, Jul 11, 2025, at 19:00, Shivendra Pratap wrote:
>> On 7/11/2025 8:14 PM, Arnd Bergmann wrote:
>>> On Fri, Jul 11, 2025, at 14:32, Shivendra Pratap wrote:
>>>
>>> The distinction between cookie and magic value may be relevant in the
>>> context of the psci specification, but for the Linux driver, this is
>>> really just a 64-bit magic number.
>> ok. then if i understand, this binding change for reboot-mode be dropped
>> and driver can internally handle the two 32 bit numbers?
> 
> Yes, if you can easily keep it internal to the psci driver, that
> would work, or you could just change the callback type to take a
> 64-bit number and leave the interpretation up to the driver.
ok. thanks. Will try it out. 
> 
>      Arnd