linux-kernel - Re: [V2] cpuidle/powernv: Read target_residency value of idle states from DT if available

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Message-Id: <20150130035652.3C252140277@ozlabs.org>
Date:	Fri, 30 Jan 2015 14:56:52 +1100 (AEDT)
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Preeti U Murthy <preeti@...ux.vnet.ibm.com>, mpe@...erman.id.au
Cc:	rafael.j.wysocki@...el.com, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [V2] cpuidle/powernv: Read target_residency value of idle states from DT if available

On Wed, 2015-28-01 at 02:13:06 UTC, Preeti U Murthy wrote:
> The device tree now exposes the residency values for different idle states. Read
> these values instead of calculating residency from the latency values. The values
> exposed in the DT are validated for optimal power efficiency. However to maintain
> compatibility with the older firmware code which does not expose residency
> values, use default values as a fallback mechanism. While at it, handle some
> cleanups.
> 
> Signed-off-by: Preeti U Murthy <preeti@...ux.vnet.ibm.com>
> Acked-by: Stewart Smith <stewart@...ux.vnet.ibm.com>

This looks good to me.

Acked-by: Michael Ellerman <mpe@...erman.id.au>

I'm assuming Rafael will take it.

cheers
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