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Subject: Re: [PATCH v1 00/30] Introduce core voltage scaling for NVIDIA
 Tegra20/30 SoCs
To:     =?UTF-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= <mirq-linux@rere.qmqm.pl>
Cc:     Thierry Reding <thierry.reding@gmail.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        Alan Stern <stern@rowland.harvard.edu>,
        Peter Chen <Peter.Chen@nxp.com>,
        Mark Brown <broonie@kernel.org>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Lee Jones <lee.jones@linaro.org>,
        =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= <u.kleine-koenig@pengutronix.de>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Peter Geis <pgwipeout@gmail.com>,
        Nicolas Chauvet <kwizart@gmail.com>,
        linux-samsung-soc@vger.kernel.org, devel@driverdev.osuosl.org,
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        linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linux-media@vger.kernel.org, linux-tegra@vger.kernel.org
References: <20201104234427.26477-1-digetx@gmail.com>
 <20201105014502.GB17266@qmqm.qmqm.pl>
From:   Dmitry Osipenko <digetx@gmail.com>
Message-ID: <60e6ea6b-3a02-30a1-f0c9-d33ef7906ed6@gmail.com>
Date:   Thu, 5 Nov 2020 16:57:26 +0300
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05.11.2020 04:45, Michał Mirosław пишет:
> On Thu, Nov 05, 2020 at 02:43:57AM +0300, Dmitry Osipenko wrote:
>> Introduce core voltage scaling for NVIDIA Tegra20/30 SoCs, which reduces
>> power consumption and heating of the Tegra chips. Tegra SoC has multiple
>> hardware units which belong to a core power domain of the SoC and share
>> the core voltage. The voltage must be selected in accordance to a minimum
>> requirement of every core hardware unit.
> [...]
> 
> Just looked briefly through the series - it looks like there is a lot of
> code duplication in *_init_opp_table() functions. Could this be made
> more generic / data-driven?

Indeed, it should be possible to add a common helper. I had a quick
thought about doing it too, but then decided to defer for the starter
since there were some differences among the needs of the drivers. I'll
take a closer look for the v2, thanks!