Re: [PATCH v2] cpufreq: powernv: Replacing pstate_id with frequency table index

From: Viresh Kumar
Date: Mon Jul 11 2016 - 14:47:59 EST


On 30-06-16, 11:53, Akshay Adiga wrote:
> Refactoring code to use frequency table index instead of pstate_id.
> This abstraction will make the code independent of the pstate values.
>
> - No functional changes
> - The highest frequency is at frequency table index 0 and the frequency
> decreases as the index increases.
> - Macros pstates_to_idx() and idx_to_pstate() can be used for conversion
> between pstate_id and index.
> - powernv_pstate_info now contains frequency table index to min, max and
> nominal frequency (instead of pstate_ids)
> - global_pstate_info new stores index values instead pstate ids.
> - variables renamed as *_idx which now store index instead of pstate
>
> Signed-off-by: Akshay Adiga <akshay.adiga@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: Gautham R. Shenoy <ego@xxxxxxxxxxxxxxxxxx>
> ---
> Changes from v1:
> - changed macro names from get_pstate()/ get_index() to
> idx_to_pstate()/ pstate_to_idx()
> - Renamed variables that store index instead of pstate_id to *_idx
> - Retained previous printk's
>
> v1 : http://marc.info/?l=linux-pm&m=146677701501225&w=1
>
> drivers/cpufreq/powernv-cpufreq.c | 177 ++++++++++++++++++++++----------------
> 1 file changed, 102 insertions(+), 75 deletions(-)

Haven't done in-depth review, but I trust that Gautham has done it :)

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

--
viresh