From mboxrd@z Thu Jan  1 00:00:00 1970
From: Viresh Kumar <viresh.kumar@linaro.org>
Subject: Re: [PATCH 2/2] cpufreq: ppc-corenet: remove per-cpu variable 'cpu_mask'
Date: Fri, 5 Sep 2014 15:10:09 +0530
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To: Yuantian Tang <Yuantian.Tang@freescale.com>
Cc: Rafael Wysocki <rjw@rjwysocki.net>, "linaro-kernel@lists.linaro.org" <linaro-kernel@lists.linaro.org>, "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>, "LeoLi@freescale.com" <LeoLi@freescale.com>, Hongtao Jia <hongtao.jia@freescale.com>

On 5 September 2014 15:05, Yuantian Tang <Yuantian.Tang@freescale.com> wrote:
> What's the name of function on ARM arch which get the mask of all online and offline cpus?

You can have a look at arm_big_little.c for this, its topology_core_cpumask().

Also, this might not work for everybody and so we are trying to get this
information from DT, but it is taking some time to get the bindings correctly.

> We want this driver to be used on ARM as well. So how to write the Kconfig,
> as you know we already have a CONFIG_* item in Kconfig.powerpc.

Just duplicate them.