[trusty] [PATCH 2/3] cpufreq: powernv: Use cpufreq_frequency_table.driver_data to store pstate ids

[Seth Forshee]

On Thu, Apr 17, 2014 at 12:37:00PM -0300, Mauricio Faria de Oliveira wrote:
> From: "Gautham R. Shenoy" <ego at linux.vnet.ibm.com>
> 
> The .driver_data field in the cpufreq_frequency_table was supposed to
> be private to the drivers. However at some later point, it was being
> used to indicate if the particular frequency in the table is the
> BOOST_FREQUENCY. After patches [1] and [2], the .driver_data is once
> again private to the driver. Thus we can safely use
> cpufreq_frequency_table.driver_data to store pstate_ids instead of
> having to maintain a separate array powernv_pstate_ids[] for this
> purpose.
> 
> [1]:
>   Subject: cpufreq: don't print value of .driver_data from core
>   From   : Viresh Kumar <viresh.kumar@ linaro.org>
>   url    : http://marc.info/?l=linux-pm&m=139601421504709&w=2
> 
> [2]:
>   Subject: cpufreq: create another field .flags in cpufreq_frequency_table
>   From   : Viresh Kumar <viresh.kumar at linaro.org>
>   url    : http://marc.info/?l=linux-pm&m=139601416804702&w=2

These two commits were merged by Linus in 3.15-rc1, and we don't have
them in trusty. Aren't we going to need these too?