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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Mikko Perttunen <mperttunen@nvidia.com>
Cc: rjw@rjwysocki.net, thierry.reding@gmail.com,
	jonathanh@nvidia.com, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: Re: [PATCH v2 1/3] cpufreq: Add Tegra186 cpufreq driver
Date: Tue, 11 Apr 2017 12:05:48 +0530	[thread overview]
Message-ID: <20170411063548.GD3670@vireshk-i7> (raw)
In-Reply-To: <1491313417-25085-1-git-send-email-mperttunen@nvidia.com>

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@nvidia.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@linaro.org>

-- 
viresh

  parent reply	other threads:[~2017-04-11  6:35 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-04 13:43 [PATCH v2 1/3] cpufreq: Add Tegra186 cpufreq driver Mikko Perttunen
2017-04-04 13:43 ` [PATCH v2 2/3] dt-bindings: Add bindings for nvidia,tegra186-ccplex-cluster Mikko Perttunen
2017-04-20  6:43   ` Mikko Perttunen
     [not found] ` <1491313417-25085-1-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2017-04-04 13:43   ` [PATCH v2 3/3] arm64: tegra: Add CCPLEX_CLUSTER area in Tegra186 Mikko Perttunen
     [not found]     ` <1491313417-25085-3-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2017-04-20  6:44       ` Mikko Perttunen
2017-04-11  6:35 ` Viresh Kumar [this message]
2017-04-11  6:37   ` [PATCH v2 1/3] cpufreq: Add Tegra186 cpufreq driver Mikko Perttunen
2017-04-20  0:46     ` Rafael J. Wysocki
2017-04-11  8:09 ` [PATCH v3 " Mikko Perttunen

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