linux-kernel - Re: [PATCH v2 02/28] ARM: gic: Add functions to save and restore gic state

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Message-ID: <20110201130311.GG31216@n2100.arm.linux.org.uk>
Date:	Tue, 1 Feb 2011 13:03:11 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Colin Cross <ccross@...roid.com>
Cc:	linux-tegra@...r.kernel.org, konkers@...roid.com,
	Gary King <gking@...dia.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Abhijeet Dharmapurikar <adharmap@...eaurora.org>,
	linux-kernel@...r.kernel.org, olof@...om.net,
	linux-arm-kernel@...ts.infradead.org,
	Linus Walleij <linus.walleij@...ricsson.com>
Subject: Re: [PATCH v2 02/28] ARM: gic: Add functions to save and restore
	gic state

On Sun, Jan 23, 2011 at 06:01:07PM -0800, Colin Cross wrote:
> on systems with idle states which power-gate the logic including
> the gic, such as tegra, the gic distributor needs to be shut down
> and restored on entry and exit from the architecture idle code

I'd rather not add this and then have to weed it back out when we have a
proper interface for dealign with idle shutdown stuff.

Can some effort please be put into coming up with a proper interface
such as an idle notifier list rather than calling directly into random
parts of the kernel on idle.
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