Thread (21 messages) 21 messages, 3 authors, 2015-07-28

[PATCH V2 10/11] opp: Add helpers for initializing CPU OPPs

From: Bartlomiej Zolnierkiewicz <hidden>
Date: 2015-07-27 16:37:48
Also in: linux-pm, lkml

Hi,

On Monday, July 27, 2015 10:32:40 AM Viresh Kumar wrote:
With "operating-points-v2" its possible to tell which devices share
OPPs. We already have infrastructure to decode that information.

This patch adds following APIs:
- of_get_cpus_sharing_opps: Returns cpumask of CPUs sharing OPPs (only
  valid with v2 bindings).
- of_cpumask_init_opp_table: Initializes OPPs for all CPUs present in
  cpumask.
- of_cpumask_free_opp_table: Frees OPPs for all CPUs present in cpumask.

- set_cpus_sharing_opps: Sets which CPUs share OPPs (only valid with old
  OPP bindings, as this information isn't present in DT).

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <redacted>

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
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