From: Quentin Perret <qperret@google•com>
To: Lukasz Luba <lukasz.luba@arm•com>
Cc: nm@ti•com, juri.lelli@redhat•com, daniel.lezcano@linaro•org,
peterz@infradead•org, viresh.kumar@linaro•org,
dri-devel@lists•freedesktop.org, bjorn.andersson@linaro•org,
bsegall@google•com, alyssa.rosenzweig@collabora•com,
festevam@gmail•com, Morten.Rasmussen@arm•com, robh@kernel•org,
amit.kucheria@verdurent•com, khilman@kernel•org,
agross@kernel•org, b.zolnierkie@samsung•com,
steven.price@arm•com, cw00.choi@samsung•com, mingo@redhat•com,
linux-imx@nxp•com, rui.zhang@intel•com, kernel-team@android•com,
mgorman@suse•de, daniel@ffwll•ch, linux-pm@vger•kernel.org,
linux-arm-msm@vger•kernel.org, s.hauer@pengutronix•de,
rostedt@goodmis•org, linux-mediatek@lists•infradead.org,
matthias.bgg@gmail•com, Chris.Redpath@arm•com,
linux-omap@vger•kernel.org,
Dietmar Eggemann <dietmar.eggemann@arm•com>,
linux-arm-kernel@lists•infradead.org, airlied@linux•ie,
javi.merino@arm•com, tomeu.vizoso@collabora•com,
sboyd@kernel•org, shawnguo@kernel•org, rjw@rjwysocki•net,
linux-kernel@vger•kernel.org, kernel@pengutronix•de,
sudeep.holla@arm•com, ionela.voinescu@arm•com
Subject: Re: [PATCH 1/4] PM / EM: and devices to Energy Model
Date: Tue, 21 Jan 2020 09:31:58 +0000 [thread overview]
Message-ID: <20200121093158.GA154455@google.com> (raw)
In-Reply-To: <b02da0ed-9e0b-36db-9813-daa334cbf2ba@arm.com>
On Monday 20 Jan 2020 at 18:38:41 (+0000), Lukasz Luba wrote:
> I think we could avoid this additional argument 'cpumask'. I have
> checked the cpufreq_cpu_get function, which should do be good for this:
>
> ---------->8-------------------------
> static int _get_sharing_cpus(struct device *cpu_dev, struct cpumask *span)
> {
> struct cpufreq_policy *policy;
>
> policy = cpufreq_cpu_get(cpu_dev->id);
> if (policy) {
> cpumask_copy(span, policy->cpus);
That should be with 'policy->related_cpus', but yes if the policy
cpumasks have been populated this approach is OK I think.
> cpufreq_cpu_put(policy);
> return 0;
> } else {
> return -EINVAL;
> }
> }
> --------------------------8<-------------------------------
Thanks,
Quentin
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next prev parent reply other threads:[~2020-01-21 9:32 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-16 15:20 [PATCH 0/4] Add support for devices in the Energy Model lukasz.luba
2020-01-16 15:20 ` [PATCH 1/4] PM / EM: and devices to " lukasz.luba
2020-01-17 10:54 ` Quentin Perret
2020-01-20 14:52 ` Lukasz Luba
2020-01-20 15:09 ` Quentin Perret
2020-01-20 18:27 ` Dietmar Eggemann
2020-01-20 18:38 ` Lukasz Luba
2020-01-21 9:10 ` Dietmar Eggemann
2020-01-21 9:37 ` Quentin Perret
2020-01-21 9:31 ` Quentin Perret [this message]
2020-01-20 14:53 ` Dietmar Eggemann
2020-01-20 15:11 ` Dietmar Eggemann
2020-01-20 15:36 ` Lukasz Luba
2020-01-20 15:27 ` Lukasz Luba
2020-01-20 15:28 ` Quentin Perret
2020-01-20 16:20 ` Lukasz Luba
2020-01-21 10:08 ` Quentin Perret
2020-01-21 10:49 ` Lukasz Luba
2020-01-16 15:20 ` [PATCH 2/4] OPP: change parameter to device pointer in dev_pm_opp_of_register_em() lukasz.luba
2020-01-16 15:20 ` [PATCH 3/4] thermal: devfreq_cooling: Refactor code and switch to use Energy Model lukasz.luba
2020-01-21 17:11 ` Steven Rostedt
2020-01-22 9:35 ` Lukasz Luba
2020-01-16 15:20 ` [PATCH 4/4] drm/panfrost: Register to the Energy Model with devfreq device lukasz.luba
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