linux-kernel - Re: [PATCH 9/10] sh: Use struct syscore_ops instead of sysdev class and sysdev

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Message-ID: <20110317082016.GB13315@linux-sh.org>
Date:	Thu, 17 Mar 2011 17:20:17 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	"R. J. Wysocki" <Rafal.Wysocki@....edu.pl>
Cc:	LKML <linux-kernel@...r.kernel.org>, Greg KH <gregkh@...e.de>,
	Kay Sievers <kay.sievers@...e.de>,
	Linux PM mailing list <linux-pm@...ts.linux-foundation.org>,
	Russell King <linux@....linux.org.uk>,
	Magnus Damm <magnus.damm@...il.com>, linux-sh@...r.kernel.org
Subject: Re: [PATCH 9/10] sh: Use struct syscore_ops instead of sysdev class and sysdev

On Sun, Mar 13, 2011 at 02:03:49PM +0100, R. J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@...k.pl>
> 
> Convert the SuperH clocks framework and shared interrupt handling
> code to using struct syscore_ops instead of a sysdev classes and
> sysdevs for power managment.
> 
> This reduces the code size significantly and simplifies it.  The
> optimizations causing things not to be restored after creating a
> hibernation image are removed, but they might lead to undesirable
> effects during resume from hibernation (e.g. the clocks would be left
> as the boot kernel set them, which might be not the same way as the
> hibernated kernel had seen them before the hibernation).
> 
> This also is necessary for removing sysdevs from the kernel entirely
> in the future.
> 
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>

This misses the use of the sysdev class by the userimask code, though I'm
open to suggestions for alternatives.
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