From: Viresh Kumar <viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: Rafael Wysocki <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linaro-kernel-cunTk1MwBs8s++Sfvej+rw@public.gmane.org,
linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
pawel.moll-5wv7dgnIgG8@public.gmane.org,
ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org,
galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
nm-l0cyMroinI0@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
open list <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"Rafael J. Wysocki"
<rafael.j.wysocki-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 1/3] PM / OPP: Add "opp-supported-hw" binding
Date: Sat, 31 Oct 2015 07:50:03 +0530 [thread overview]
Message-ID: <20151031022003.GV3716@ubuntu> (raw)
In-Reply-To: <20151030221826.GM19782-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
On 30-10-15, 15:18, Stephen Boyd wrote:
> A side-note. I wonder if it would be better style to have the
> node name be:
>
> opp@600000000 {
I thought the @... had a special meaning and we might end up creating
some device for the node then? Perhaps I am mistaken.
But then, yeah it will make it more readable as you mentioned.
> At least it seems that the assumption is we can store all the
> possible combinations of OPP values for a particular frequency in
> the same node. Following this style would make dt compilation
> fail if two nodes have the same frequency.
Right.
> Also, this makes it sound like opp-supported-hw is really just
> telling us if this is a supported frequency or not for the
> particular device we're running on.
That's right.
> The current wording makes it
Of the commit log ? Or the way the nodes are written?
> sound like we could have two OPP nodes with the same frequency
> but different voltages inside them, which we're trying to
> discourage by compressing the tables into less nodes.
No no, we can't have two nodes with same frequency.
--
viresh
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next prev parent reply other threads:[~2015-10-31 2:20 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-30 1:25 [PATCH 0/3] PM / OPP: opp-supported-hw and <prop>-name bindings Viresh Kumar
[not found] ` <cover.1446167359.git.viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-10-30 1:25 ` [PATCH 1/3] PM / OPP: Add "opp-supported-hw" binding Viresh Kumar
2015-10-30 21:49 ` Stephen Boyd
2015-10-31 2:16 ` Viresh Kumar
2015-11-02 19:21 ` Stephen Boyd
2015-11-03 2:12 ` Viresh Kumar
2015-11-04 22:10 ` Stephen Boyd
2015-11-02 16:07 ` Viresh Kumar
2015-10-30 22:18 ` Stephen Boyd
[not found] ` <20151030221826.GM19782-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2015-10-31 2:20 ` Viresh Kumar [this message]
2015-11-02 15:13 ` Rob Herring
2015-11-02 16:08 ` Viresh Kumar
2015-11-02 19:20 ` Stephen Boyd
2015-11-03 2:29 ` Viresh Kumar
2015-11-04 22:08 ` Stephen Boyd
2015-10-30 1:25 ` [PATCH 2/3] PM / OPP: Add {opp-microvolt|opp-microamp|turbo-mode|opp-suspend}-<name> binding Viresh Kumar
2015-10-30 21:54 ` Stephen Boyd
2015-10-30 1:25 ` [PATCH 3/3] PM / OPP: Remove 'operating-points-names' binding Viresh Kumar
2015-10-30 21:54 ` Stephen Boyd
2015-10-30 17:26 ` [PATCH 0/3] PM / OPP: opp-supported-hw and <prop>-name bindings Rob Herring
2015-10-31 2:41 ` Viresh Kumar
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