linux-kernel - Re: [PATCH] firmware: smccc: Export both soc

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Date:   Wed, 30 Aug 2023 16:43:12 +0100
From:   Sudeep Holla <sudeep.holla@....com>
To:     Martin Botka <martin.botka@...ainline.org>
Cc:     Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Andre Przywara <andre.przywara@....com>,
        Alan Ma <tech@...u3d.com>,
        Luke Harrison <bttuniversity@...u3d.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Martin Botka <martin@...u3d.com>
Subject: Re: [PATCH] firmware: smccc: Export both soc_id functions

On Wed, Aug 30, 2023 at 04:19:23PM +0200, Martin Botka wrote:
> The patches using this are still WIP but the basic point is that H616 has 2
> die revisions (And those have
> couple of other versions themselves) that require different uV and some
> frequencies are blacklisted on those
> versions.
> 
> The driver is using these functions to read the revision (Not the version.
> It just looked like the logical
> thing to export both and Andre confirmed. We can ofc drop the version symbol
> export if need be) and reads
> trough the OPP table and selects the supported frequencies and uV for the
> chip its running on :)
> 
> I will try to get the cpufreq patches in order in the upcoming days and I
> will Cc you in those as well +
> post a link to them in this thread :)
> 

For simplicity, just make this patch part of the series that adds cpufreq
support on this platform/soc. Cross referencing won't give any more confidence
that the user is also getting merged at the same time as this patch.

-- 
Regards,
Sudeep