From: Viresh Kumar <viresh.kumar@linaro.org>
To: Saravana Kannan <saravanak@google.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Viresh Kumar <vireshk@kernel.org>, Nishanth Menon <nm@ti.com>,
Stephen Boyd <sboyd@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Georgi Djakov <georgi.djakov@linaro.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
"Sweeney, Sean" <seansw@qti.qualcomm.com>,
David Dai <daidavid1@codeaurora.org>,
adharmap@codeaurora.org, Rajendra Nayak <rnayak@codeaurora.org>,
Sibi Sankar <sibis@codeaurora.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Evan Green <evgreen@chromium.org>,
Android Kernel Team <kernel-team@android.com>,
Linux PM <linux-pm@vger.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v6 3/3] OPP: Add helper function for bandwidth OPP tables
Date: Thu, 9 Jan 2020 10:11:54 +0530 [thread overview]
Message-ID: <20200109044154.u3ypodoulygemaa6@vireshk-i7> (raw)
In-Reply-To: <CAGETcx8cro3FHqZhbia6ZUy41XGHwMMSTZgX7QN_2wToWa-Yww@mail.gmail.com>
On 08-01-20, 19:36, Saravana Kannan wrote:
> On Wed, Jan 8, 2020 at 4:58 PM Saravana Kannan <saravanak@google.com> wrote:
> >
> > On Wed, Jan 8, 2020 at 3:19 AM Viresh Kumar <viresh.kumar@linaro.org> wrote:
> > >
> > > On 06-12-19, 16:24, Saravana Kannan wrote:
> > > > The frequency OPP tables have helper functions to search for entries in the
> > > > table based on frequency and get the frequency values for a given (or
> > > > suspend) OPP entry.
> > > >
> > > > Add similar helper functions for bandwidth OPP tables to search for entries
> > > > in the table based on peak bandwidth and to get the peak and average
> > > > bandwidth for a given (or suspend) OPP entry.
> > > >
> > > > Signed-off-by: Saravana Kannan <saravanak@google.com>
> > > > ---
> > > > drivers/opp/core.c | 301 +++++++++++++++++++++++++++++++++++------
> > > > include/linux/pm_opp.h | 43 ++++++
> > > > 2 files changed, 305 insertions(+), 39 deletions(-)
> > > >
> > > > diff --git a/drivers/opp/core.c b/drivers/opp/core.c
> > > > index c79bbfac7289..3ff33a08198e 100644
> > > > --- a/drivers/opp/core.c
> > > > +++ b/drivers/opp/core.c
> > > > @@ -127,6 +127,29 @@ unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
> > > > }
> > > > EXPORT_SYMBOL_GPL(dev_pm_opp_get_freq);
> > > >
> > > > +/**
> > > > + * dev_pm_opp_get_bw() - Gets the bandwidth corresponding to an available opp
> > > > + * @opp: opp for which peak bandwidth has to be returned for
> > >
> > > s/peak //
> >
> > Ack
>
> Actually, isn't this correct as is? peak bandwidth is "returned".
> Average bandwidth is updated through the pointer.
I think we return two values here, peak and avg bw. Just that we can't
return two values from a routine, and so one is returned using a
pointer. And so I though writing just bw may be better.
--
viresh
next prev parent reply other threads:[~2020-01-09 4:41 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-07 0:24 [PATCH v6 0/3] Introduce Bandwidth OPPs for interconnects Saravana Kannan
2019-12-07 0:24 ` [PATCH v6 1/3] dt-bindings: opp: Introduce opp-peak-kBps and opp-avg-kBps bindings Saravana Kannan
2020-01-08 10:32 ` Viresh Kumar
2020-01-09 0:32 ` Saravana Kannan
2019-12-07 0:24 ` [PATCH v6 2/3] OPP: Add support for bandwidth OPP tables Saravana Kannan
2020-01-07 19:28 ` Sibi Sankar
2020-01-08 6:16 ` Saravana Kannan
2020-01-29 13:40 ` Sibi Sankar
2020-01-08 10:53 ` Viresh Kumar
2020-01-09 0:58 ` Saravana Kannan
2020-01-09 4:31 ` Viresh Kumar
2020-01-09 18:35 ` Saravana Kannan
2020-01-10 6:54 ` Viresh Kumar
2019-12-07 0:24 ` [PATCH v6 3/3] OPP: Add helper function " Saravana Kannan
2020-01-08 11:19 ` Viresh Kumar
2020-01-09 0:58 ` Saravana Kannan
2020-01-09 3:36 ` Saravana Kannan
2020-01-09 4:41 ` Viresh Kumar [this message]
2020-01-09 4:40 ` Viresh Kumar
2020-01-09 18:44 ` Saravana Kannan
2020-01-10 7:01 ` Viresh Kumar
2020-01-08 11:25 ` [PATCH v6 0/3] Introduce Bandwidth OPPs for interconnects Viresh Kumar
2020-01-14 10:34 ` Viresh Kumar
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