linux-kernel - Re: [PATCH 2/2] clk: qcom: gcc-msm8996: Use read-only RCG ops for RPM bus clocks

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: <0ca1922a-5d21-2c00-7514-6f90a9d2cb03@linaro.org>
Date:   Mon, 31 Jul 2023 13:01:41 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bjorn Andersson <andersson@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, Stephan Gerhold <stephan@...hold.net>
Subject: Re: [PATCH 2/2] clk: qcom: gcc-msm8996: Use read-only RCG ops for RPM
 bus clocks

On 13.06.2023 19:54, Konrad Dybcio wrote:
> 
> 
> On 13.06.2023 19:56, Bjorn Andersson wrote:
>> On Mon, Jun 12, 2023 at 11:22:48AM +0200, Konrad Dybcio wrote:
>>> The config/periph/system NoC clocks are wholly controlled by the
>>> RPM firmware and Linux should never ever alter their configuration.
>>>
>>
>> Does Linux need to know about them?
> Not really, but it allows us to get rates of their children.
> 
> We can get rid of them if one can argue debugcc is enough. Unless
> we need clk_get_rate for some reason.
> 
Any opinions?

Konrad