linux-kernel - Re: [PATCH v8 03/26] PM / Domains: Add generic data pointer to genpd_power

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Date:   Mon, 25 Jun 2018 10:34:38 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Sudeep Holla <sudeep.holla@....com>,
        Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
        Mark Rutland <mark.rutland@....com>,
        Linux PM <linux-pm@...r.kernel.org>,
        Kevin Hilman <khilman@...nel.org>,
        Lina Iyer <ilina@...eaurora.org>,
        Lina Iyer <lina.iyer@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Juri Lelli <juri.lelli@....com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 03/26] PM / Domains: Add generic data pointer to
 genpd_power_state struct

On 24 June 2018 at 23:09, Rafael J. Wysocki <rafael@...nel.org> wrote:
> On Wed, Jun 20, 2018 at 7:22 PM, Ulf Hansson <ulf.hansson@...aro.org> wrote:
>> From: Lina Iyer <lina.iyer@...aro.org>
>>
>> Let's add a data pointer to the genpd_power_state struct, to allow
>> platforms to store per state specific data.
>
> Can you please fold it into a patch actually using this pointer?

Yep, no problem.

Anyway, the change that uses the pointer is "[PATCH v8 21/26] drivers:
firmware: psci: Add support for PM domains using genpd".

Let's see if there is further comments, if not - perhaps you can
squash $subject patch into that change?

>
>> Cc: Lina Iyer <ilina@...eaurora.org>
>> Signed-off-by: Lina Iyer <lina.iyer@...aro.org>
>> Co-developed-by: Ulf Hansson <ulf.hansson@...aro.org>
>> Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
>> ---
>>  include/linux/pm_domain.h | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
>> index 9206a4fef9ac..27fca748344a 100644
>> --- a/include/linux/pm_domain.h
>> +++ b/include/linux/pm_domain.h
>> @@ -44,6 +44,7 @@ struct genpd_power_state {
>>         s64 residency_ns;
>>         struct fwnode_handle *fwnode;
>>         ktime_t idle_time;
>> +       void *data;
>>  };
>>
>>  struct genpd_lock_ops;
>> --
>> 2.17.1
>>

Kind regards
Uffe