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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
Markus Mayer <code@mmayer.net>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Brian Norris <computersforpeace@gmail.com>,
Gregory Fong <gregory.0xf0@gmail.com>,
Jim Quinlan <jim2101024@gmail.com>,
Broadcom Kernel List <bcm-kernel-feedback-list@broadcom.com>,
Power Management List <linux-pm@vger.kernel.org>,
ARM Kernel List <linux-arm-kernel@lists.infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Markus Mayer <mmayer@broadcom.com>
Subject: Re: [PATCH 2/2] cpufreq: brcmstb-avs-cpufreq: prefer SCMI cpufreq if supported
Date: Mon, 23 Apr 2018 09:53:43 +0530 [thread overview]
Message-ID: <20180423042343.GB2989@vireshk-i7> (raw)
In-Reply-To: <52044000-513b-b5a1-27db-fb7fdb5ee04f@gmail.com>
On 20-04-18, 09:50, Florian Fainelli wrote:
> On 04/20/2018 02:35 AM, Viresh Kumar wrote:
> > On 20-04-18, 10:15, Sudeep Holla wrote:
> >> It still doesn't give the flexibility to switch between the two
> >> implementations boot time based on some firmware config(e.g. DT status
> >> property).
> >
> > I agree, but it didn't look like they need flexibility :)
> >
> > Lets see how the intend to use it. If they are *always* going to use SCPI if
> > that is available, then it should be solved at Kconfig level only. Else they
> > shouldn't put such code in the driver to quit early.
>
> We have both drivers (brcmstb-avs-cpufreq and scmi-cpufreq) enabled in
> our kernel configuration, however, depending on the firmware version, we
> may have a number of combinations:
>
> - arm,scmi DT node is present and enabled (status = okay) as well as
> brcmstb-avs-cpufreq being present and enabled
> - arm,scmi DT node is present but disabled (status = disabled) and
> brcmstb-avs-cpufreq is being present and enabled
In this case the Kconfig thing I have been talking about doesn't apply anymore.
--
viresh
next prev parent reply other threads:[~2018-04-23 4:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-18 15:56 [PATCH 0/2] brcmstb-avs-cpufreq changes Markus Mayer
2018-04-18 15:56 ` [PATCH 1/2] cpufreq: brcmstb-avs-cpufreq: remove development debug support Markus Mayer
2018-04-19 4:13 ` Viresh Kumar
2018-04-30 8:26 ` Rafael J. Wysocki
2018-04-18 15:56 ` [PATCH 2/2] cpufreq: brcmstb-avs-cpufreq: prefer SCMI cpufreq if supported Markus Mayer
2018-04-18 16:37 ` Florian Fainelli
2018-04-19 22:10 ` Markus Mayer
2018-04-19 4:16 ` Viresh Kumar
2018-04-19 10:37 ` Sudeep Holla
2018-04-20 4:42 ` Viresh Kumar
2018-04-20 9:15 ` Sudeep Holla
2018-04-20 9:35 ` Viresh Kumar
2018-04-20 16:50 ` Florian Fainelli
2018-04-23 4:23 ` Viresh Kumar [this message]
2018-04-19 10:35 ` Sudeep Holla
2018-04-19 16:21 ` Florian Fainelli
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