From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Subject: Re: [PATCH v5 1/8] Documentation: arm: define DT idle states bindings
Date: Thu, 26 Jun 2014 11:17:07 +0100
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To: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, Mark Rutland <Mark.Rutland@arm.com>, Sudeep Holla <Sudeep.Holla@arm.com>, Catalin Marinas <Catalin.Marinas@arm.com>, Charles Garcia-Tobin <Charles.Garcia-Tobin@arm.com>, Rob Herring <robh+dt@kernel.org>, "grant.likely@linaro.org" <grant.likely@linaro.org>, Peter De Schrijver <pdeschrijver@nvidia.com>, Santosh Shilimkar <santosh.shilimkar@ti.com>, Daniel Lezcano <daniel.lezcano@linaro.org>, Amit Kucheria <amit.kucheria@linaro.org>, Vincent Guittot <vincent.guittot@linaro.org>, Antti Miettinen <ananaza@iki.fi>, Stephen Boyd <sboyd@codeaurora.org>, Kevin Hilman <khilman@linaro.org>, Sebastian Capella <sebcape@gmail.com>, Tomasz Figa <t.figa@samsung.com>, Mark Brown <broonie@ke>
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On Wed, Jun 25, 2014 at 04:56:02PM +0100, Nicolas Pitre wrote:
> On Wed, 25 Jun 2014, Lorenzo Pieralisi wrote:
> 
> > ARM based platforms implement a variety of power management schemes that
> > allow processors to enter idle states at run-time.
> > The parameters defining these idle states vary on a per-platform basis forcing
> > the OS to hardcode the state parameters in platform specific static tables
> > whose size grows as the number of platforms supported in the kernel increases
> > and hampers device drivers standardization.
> >
> > Therefore, this patch aims at standardizing idle state device tree bindings for
> > ARM platforms. Bindings define idle state parameters inclusive of entry methods
> > and state latencies, to allow operating systems to retrieve the configuration
> > entries from the device tree and initialize the related power management
> > drivers, paving the way for common code in the kernel to deal with idle
> > states and removing the need for static data in current and previous kernel
> > versions.
> >
> > Reviewed-by: Sebastian Capella <sebcape@gmail.com>
> > Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> 
> Excellent.
> 
> Reviewed-by: Nicolas Pitre <nico@linaro.org>

Thanks Nico, there are still a couple of niggles to sort out (ie local
timer state), but the bulk of the document should be complete I hope.

I will postpone adding your (and Seb's) Reviewed-by until we have a
final agreement if it is ok with you.

Thanks !
Lorenzo