linux-kernel - Re: AT91: Fix power-saving in idle-mode on 926T processors

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Message-ID: <20101008122918.GA30252@game.jcrosoft.org>
Date:	Fri, 8 Oct 2010 14:29:18 +0200
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Anders Larsen <al@...rsen.net>
Cc:	patches@....linux.org.uk, Andrew Victor <avictor.za@...il.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: AT91: Fix power-saving in idle-mode on 926T processors

On 21:44 Thu 07 Oct     , Anders Larsen wrote:
> According to Atmel, their 926T processors (AT91 post RM9200) requires
> 'Wait for Interrupt' mode be entered right after disabling the processor clock
> in order to minimise current consumption when idle, so do both provided we're
> not running on a 920T (an RM9200).
> 
> Furthermore, get rid of the #ifndef CONFIG_DEBUG_KERNEL, since arch_idle()
> can be turned off completely with the kernel parameter 'nohlt'.
> 
> Signed-off-by: Anders Larsen <al@...rsen.net>
> Cc: Andrew Victor <avictor.za@...il.com>
please rebase against this branch

git://github.com/at91linux/linux-2.6-at91.git branch for-rmk

Best Regards,
J.
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