linux-kernel - Re: [PATCH v2 1/3] cpufreq: Add Tegra186 cpufreq driver

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Message-ID: <20170411063548.GD3670@vireshk-i7>
Date:   Tue, 11 Apr 2017 12:05:48 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Mikko Perttunen <mperttunen@...dia.com>
Cc:     rjw@...ysocki.net, thierry.reding@...il.com, jonathanh@...dia.com,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-tegra@...r.kernel.org
Subject: Re: [PATCH v2 1/3] cpufreq: Add Tegra186 cpufreq driver

On 04-04-17, 16:43, Mikko Perttunen wrote:
> Add a new cpufreq driver for Tegra186 (and likely later).
> The CPUs are organized into two clusters, Denver and A57,
> with two and four cores respectively. CPU frequency can be
> adjusted by writing the desired rate divisor and a voltage
> hint to a special per-core register.
> 
> The frequency of each core can be set individually; however,
> this is just a hint as all CPUs in a cluster will run at
> the maximum rate of non-idle CPUs in the cluster.
> 
> Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
> ---
> v2:
> - Many cosmetic / restructuring changes
> - Only one aperture read from DT now, with a new
>   structure containing the offset among other details
>   per cluster.
> - Don't enable the driver by default.
> 
>  drivers/cpufreq/Kconfig.arm        |   6 +
>  drivers/cpufreq/Makefile           |   1 +
>  drivers/cpufreq/tegra186-cpufreq.c | 275 +++++++++++++++++++++++++++++++++++++
>  3 files changed, 282 insertions(+)
>  create mode 100644 drivers/cpufreq/tegra186-cpufreq.c

For all three patches.

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh