From: Simon Horman <horms@verge.net.au>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] ARM: shmobile: r8a7790: implement CPU clock scaling for CPUFreq
Date: Sat, 25 May 2013 01:32:53 +0000 [thread overview]
Message-ID: <20130525013252.GD24005@verge.net.au> (raw)
In-Reply-To: <Pine.LNX.4.64.1305211202380.2863@axis700.grange>
On Tue, May 21, 2013 at 12:09:53PM +0200, Guennadi Liakhovetski wrote:
> This patch adds support for the Z-clock on r8a7790 SoCs, which is driving
> the Cortex A15 core. Adding an "operating-points" property to the CPU0 DT
> node and a regulator, this patch allows platforms to use the generic
> cpufreq-cpu0 driver to use SoC's DVFS capabilities.
>
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
> ---
>
> Since I cannot use the regulator, supplying the DVFS voltage to the CPU on
> Lager, I only tested this patch without voltage adjustments, but that
> shouldn't matter for this specific change. I did verify, using the
> ondemand CPUFreq governor, that the frequency and the CPU performance
> change, depending on CPU load.
Magnus,
could you please review this series?
next prev parent reply other threads:[~2013-05-25 1:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-21 10:09 [PATCH 1/2] ARM: shmobile: r8a7790: implement CPU clock scaling for CPUFreq Guennadi Liakhovetski
2013-05-21 10:09 ` [ILLUSTRATION 2/2] ARM: shmobile: lager: add CPUFreq support Guennadi Liakhovetski
2013-05-21 10:37 ` [PATCH 3/2] ARM: shmobile: r8a7790: add a "cpufreq-cpu0" platform device Guennadi Liakhovetski
2013-05-25 1:32 ` Simon Horman [this message]
2013-05-25 1:53 ` [PATCH 1/2] ARM: shmobile: r8a7790: implement CPU clock scaling for CPUFreq Simon Horman
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