From: Michael Ellerman <mpe@ellerman.id.au>
To: Preeti U Murthy <preeti@linux.vnet.ibm.com>, mpe@ellerman.id.au
Cc: rafael.j.wysocki@intel.com, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [V2] cpuidle/powernv: Read target_residency value of idle states from DT if available
Date: Fri, 30 Jan 2015 14:56:52 +1100 (AEDT) [thread overview]
Message-ID: <20150130035652.3C252140277@ozlabs.org> (raw)
In-Reply-To: <20150128021044.11166.81418.stgit@preeti.in.ibm.com>
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@linux.vnet.ibm.com>
> Acked-by: Stewart Smith <stewart@linux.vnet.ibm.com>
This looks good to me.
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
I'm assuming Rafael will take it.
cheers
prev parent reply other threads:[~2015-01-30 3:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-28 2:13 [PATCH V2] cpuidle/powernv: Read target_residency value of idle states from DT if available Preeti U Murthy
2015-01-28 2:13 ` Preeti U Murthy
2015-01-28 9:15 ` Stewart Smith
2015-01-28 9:15 ` Stewart Smith
2015-01-28 9:50 ` Preeti U Murthy
2015-01-28 9:50 ` Preeti U Murthy
2015-01-28 22:24 ` Stewart Smith
2015-01-28 22:24 ` Stewart Smith
2015-01-30 3:56 ` Michael Ellerman [this message]
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