linux-kernel - Re: [PATCH v4 0/3] Broadcom STB AVS CPUfreq driver

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Message-ID: <CAJZ5v0hT-gJuOnODkBJPKYVzqyc=bj685RDw=hqgAiFaoEzCug@mail.gmail.com>
Date:   Thu, 13 Oct 2016 14:49:59 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Markus Mayer <mmayer@...adcom.com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Broadcom Kernel List <bcm-kernel-feedback-list@...adcom.com>,
        Device Tree List <devicetree@...r.kernel.org>,
        Power Management List <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 0/3] Broadcom STB AVS CPUfreq driver

On Thu, Oct 13, 2016 at 7:45 AM, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> On 12-10-16, 15:12, Markus Mayer wrote:
>> This series contains the CPUfreq driver for Broadcom SoCs that use "AVS
>> Firmware" for voltage and frequency scaling. All voltage and frequency
>> transitions are performed by the firmware and are therefore hidden from
>> Linux.
>>
>> The driver provides a standard CPUfreq interface to other kernel
>> components and to userland on the one hand and communicates with the
>> AVS co-processor on the other.
>>
>> Communication between the two processors is via shared mailbox
>> registers and interrupts (ARM -> AVS to tell the firmware that there is
>> a command to process and AVS -> ARM to tell the driver that a command
>> finished executing).
>>
>> Changes from v3:
>>     - moved code from brcm_avs_cpufreq_exit() into brcm_avs_cpufreq_remove()
>>     - removed brcm_avs_cpufreq_exit() altogether
>
> For the entire series:
>
> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

OK

I gess patch [1/3] needs some ACKs from the DT bindings maintainers?

Thanks,
Rafael