linux-kernel - Re: [PATCH v2 06/11] dt-bindings: timer: Add Sophgo sg2042 clint

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]

Date:   Wed, 20 Sep 2023 14:30:42 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Inochi Amaoto <inochiama@...look.com>
Cc:     aou@...s.berkeley.edu, chao.wei@...hgo.com, conor@...nel.org,
        evicetree@...r.kernel.org, emil.renner.berthing@...onical.com,
        guoren@...nel.org, jszhang@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org, palmer@...belt.com,
        paul.walmsley@...ive.com, robh+dt@...nel.org,
        xiaoguang.xing@...hgo.com, Chen Wang <wangchen20@...as.ac.cn>
Subject: Re: [PATCH v2 06/11] dt-bindings: timer: Add Sophgo sg2042 clint

On 20/09/2023 14:15, Inochi Amaoto wrote:
>> On 20/09/2023 08:39, Chen Wang wrote:
>>> From: Inochi Amaoto <inochiama@...look.com>
>>>
>>> Add two new compatible string formatted like `C9xx-clint-xxx` to identify
>>> the timer and ipi device separately, and do not allow c900-clint as the
>>
>> Why?
>>
> 
> If use the same compatible, SBI will process this twice in both ipi and
> timer, use different compatible will allow SBI to treat these as different.
> AFAIK, the aclint in SBI use the same concepts, which make hard to use the
> second register range. I have explained in another response.

What is a SBI? Linux driver? If so, why some intermediate Linux driver
choice should affect bindings?
Best regards,
Krzysztof