linux-kernel - Re: [PATCH V3 2/5] PM / QOS: Pass request type to dev_pm_qos_read

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Message-ID: <20190612000832.GJ137143@google.com>
Date:   Tue, 11 Jun 2019 17:08:32 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Rafael Wysocki <rjw@...ysocki.net>,
        Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
        Kevin Hilman <khilman@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Qais.Yousef@....com, juri.lelli@...il.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3 2/5] PM / QOS: Pass request type to
 dev_pm_qos_read_value()

On Mon, Jun 10, 2019 at 04:21:33PM +0530, Viresh Kumar wrote:
> In order to use dev_pm_qos_read_value(), and other internal routines to
> it, to read values for different QoS requests, pass request type as a
> parameter to these routines.

nit: I find that somewhat hard to parse, a possible improvement:

"In order to allow dev_pm_qos_read_value() and other {related,similar}
 internal routines to read values for different QoS requests, pass
 request type as a parameter to these routines."

(I'm not a native English speaker, so I don't claim this to be
correct ;-)

> For now, it only supports resume-latency request type.
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---
>  Documentation/power/pm_qos_interface.txt |  2 +-
>  drivers/base/power/domain_governor.c     |  4 +--
>  drivers/base/power/qos.c                 | 10 +++---
>  drivers/base/power/runtime.c             |  2 +-
>  drivers/cpuidle/governor.c               |  2 +-
>  include/linux/pm_qos.h                   | 41 +++++++++++++++++-------
>  6 files changed, 40 insertions(+), 21 deletions(-)

looks good to me, however I'm just a QoS n00b:

Reviewed-by: Matthias Kaehlcke <mka@...omium.org>