From: Mikko Perttunen <cyndis@kapsi.fi>
To: Viresh Kumar <viresh.kumar@linaro.org>,
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 09:37:28 +0300 [thread overview]
Message-ID: <ce29c6b7-2942-0054-d014-7b262da6fb6d@kapsi.fi> (raw)
In-Reply-To: <20170411063548.GD3670@vireshk-i7>
On 04/11/2017 09:35 AM, Viresh Kumar wrote:
> 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>
>
Thanks!
Mikko
next prev parent reply other threads:[~2017-04-11 6:37 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
2017-04-04 13:43 ` [PATCH v2 3/3] arm64: tegra: Add CCPLEX_CLUSTER area in Tegra186 Mikko Perttunen
2017-04-20 6:44 ` Mikko Perttunen
2017-04-11 6:35 ` [PATCH v2 1/3] cpufreq: Add Tegra186 cpufreq driver Viresh Kumar
2017-04-11 6:37 ` Mikko Perttunen [this message]
2017-04-20 0:46 ` Rafael J. Wysocki
2017-04-11 8:09 ` [PATCH v3 " Mikko Perttunen
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