linux-kernel - Re: [PATCH v3 1/2] socfpga: hotplug: put cpu1 in wfi

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Message-ID: <20141015074858.GA10720@amd>
Date:	Wed, 15 Oct 2014 09:48:58 +0200
From:	Pavel Machek <pavel@...x.de>
To:	atull@...nsource.altera.com
Cc:	dinguyen@...nsource.altera.com, linux@....linux.org.uk,
	arnd@...db.de, s.trumtrar@...gutronix.de,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	delicious.quinoa@...il.com, yvanderv@...nsource.altera.com
Subject: Re: [PATCH v3 1/2] socfpga: hotplug: put cpu1 in wfi

On Tue 2014-10-14 14:33:38, atull@...nsource.altera.com wrote:
> From: Alan Tull <atull@...nsource.altera.com>
> 
> Use WFI when putting CPU1 to sleep.  Don't hold CPU1 in reset
> since that results in increased power consumption.
> 
> Reset CPU1 briefly during CPU1 bootup.
> 
> This has been tested for hotplug and suspend/resume and results
> in no increased power consumption.
> 
> Signed-off-by: Alan Tull <atull@...nsource.altera.com>

Acked-by: Pavel Machek <pavel@...x.de>

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