linux-kernel - Re: several messages

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Date:	Thu, 22 Feb 2007 23:58:55 +0100 (CET)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	Johannes Berg <johannes@...solutions.net>,
	David Brownell <david-b@...bell.net>
cc:	linuxppc-dev@...abs.org, rtc-linux@...glegroups.com,
	linux-pm@...ts.osdl.org, Torrance <torrance123@...il.com>,
	Alessandro Zummo <alessandro.zummo@...ertech.it>,
	john stultz <johnstul@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: several messages

of the following 2 patches:

On Mon, 5 Feb 2007, Johannes Berg wrote:

> This patch removes the time suspend/restore code that was done through
> a PMU notifier in arch/platforms/powermac/time.c.
> 
> Instead, we introduce arch/powerpc/sysdev/timer.c which creates a sys
> device and handles time of day suspend/resume through that.
> 
> Signed-off-by: Johannes Berg <johannes@...solutions.net>
> Cc: Andrew Morton <akpm@...l.org>
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>

[patch trimmed]

On Wed, 21 Feb 2007, David Brownell wrote:

> RTC class suspend/resume support, re-initializing the system clock on resume
> >from the clock used to initialize it at boot time.
> 
>  - Inlining the same code used by ARM, which saves and restores the
>    delta between a selected RTC and the current system wall-clock time.
> 
>  - Removes calls to that ARM code from AT91, OMAP, and S3C RTCs.
> 
> This goes on top of the patch series removing "struct class_device" usage
> >from the RTC framework.  That makes class suspend()/resume() work.
> 
> Signed-off-by: David Brownell <dbrownell@...rs.sourceforge.net>
> 
> ---
>  drivers/rtc/Kconfig          |   24 +++++++++----
>  drivers/rtc/class.c          |   74 +++++++++++++++++++++++++++++++++++++++++++
>  drivers/rtc/rtc-at91rm9200.c |   30 -----------------
>  drivers/rtc/rtc-omap.c       |   17 ---------
>  drivers/rtc/rtc-s3c.c        |   22 ------------
>  5 files changed, 91 insertions(+), 76 deletions(-)

[patch trimmed]

I think, we only want 1, right? And the latter seems to be more generic / 
platform independent? And as a side-effect, powermac would have to migrate 
to generic rtc:-)

Thanks
Guennadi
---
Guennadi Liakhovetski
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