linux-kernel - Re: [PATCH] NTP: Let update_persistent

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Message-ID: <Pine.LNX.4.55.0806091912390.26593@cliff.in.clinika.pl>
Date:	Mon, 9 Jun 2008 19:18:52 +0100 (BST)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Roman Zippel <zippel@...ux-m68k.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] NTP: Let update_persistent_clock() sleep

Hi,

> > Roman does most of the NTP work afaik.  I consider Thomas's git-hrt
> > tree to be the route via which NTP changes get into linux-next and
> > mainline.
> 
> That function is a little misplaced, we already have a driver/rtc dir, 
> where this should go in the long term and ntp.c only providing the 
> trigger, that time is stable. There it would also be possible to better 
> take into account any quirks needed to update the chip.

 I posted a separate change to implement a backend using the RTC class
device.  I think this is the right solution till all the platforms are
moved away from legacy RTC drivers.

 I think you are right about the long-term implications and apart from any
possible quirks I think the interface could get improved as there are RTC
chips we support nowadays that provide sub-second resolution.

  Maciej
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