linux-kernel - Re: [PATCH 4/4] dt-bindings: soc: samsung: exynos-sysreg: add clocks for Exynos850

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: <ff33d45c-f4ad-49f3-24b6-b15b4af5aa83@linaro.org>
Date:   Fri, 25 Nov 2022 15:49:11 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sam Protsenko <semen.protsenko@...aro.org>
Cc:     Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org,
        Sriranjani P <sriranjani.p@...sung.com>,
        Chanho Park <chanho61.park@...sung.com>
Subject: Re: [PATCH 4/4] dt-bindings: soc: samsung: exynos-sysreg: add clocks
 for Exynos850

On 25/11/2022 15:38, Sam Protsenko wrote:
> On Fri, 25 Nov 2022 at 05:22, Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> wrote:
>>
>> Exynos850 has dedicated clock for accessing SYSREGs.  Allow it, even
>> though Linux currently does not enable them and relies on bootloader.
>>
> 
> Not sure if this description is correct. Of course, there is no driver
> for "samsung,exynos850-sysreg" compatible at the moment, so the next
> compatible from the list ("syscon") is used for Exynos850. And
> "syscon" driver (drivers/mfd/syscon.c) actually does control the
> clocks. I remember adding "clocks" property to Exynos850 dts to fix
> actual problem. Also, the "clocks" property is not described in
> Documentation/devicetree/bindings/mfd/syscon.yaml, didn't really check
> if it's ok or it's just missing.
> 
> Other than that comment:
> 
> Reviewed-by: Sam Protsenko <semen.protsenko@...aro.org>
> 
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Ah, then commit msg is not good. I'll update it and maybe the clocks
should be required for Exynos850?

Best regards,
Krzysztof