linux-kernel - Re: [rtc-linux] [PATCH/RFC 0/5] Generic RTC class driver

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Message-ID: <alpine.LRH.2.00.0902251059110.4063@vixen.sonytel.be>
Date:	Wed, 25 Feb 2009 11:00:13 +0100 (CET)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	David Woodhouse <dwmw2@...radead.org>
cc:	Alessandro Zummo <alessandro.zummo@...ertech.it>,
	rtc-linux@...glegroups.com, Richard Zidlicky <rz@...ux-m68k.org>,
	linux-parisc@...r.kernel.org,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	David@...abs.org, Kyle McMartin <kyle@...artin.ca>,
	Linux/PPC Development <linuxppc-dev@...abs.org>,
	Linux/m68k <linux-m68k@...ts.linux-m68k.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [rtc-linux] [PATCH/RFC 0/5] Generic RTC class driver

On Wed, 25 Feb 2009, David Woodhouse wrote:
> On Tue, 2009-02-24 at 23:11 +0100, Alessandro Zummo wrote:
> > On Wed, 25 Feb 2009 06:35:27 +0900
> > David Woodhouse <dwmw2@...radead.org> wrote:
> > 
> > > > So you want us to kill the ppc_md.[gs]et_rtc_time() [ppc], mach_hwclk() [m68k],
> > > > mach_gettod() [m68knommu] (and probably a few other) abstractions, and move all
> > > > RTC code out of arch/ into seperate drivers under drivers/rtc/ instead?
> > > 
> > > That's the ideal... although did we get NTP sync working again yet?
> > 
> >  not yet. we're close but I've been very busy :(
> 
> I know the feeling.
> 
> Once that's working, we can convert individual PPC platforms over,
> removing the routines from the ppc_md and creating a generic RTC driver
> instead. PA Electra is already like that -- because it wasn't a
> regression there to have broken NTP sync. But the others need to wait.

I didn't know NTP was broken with RTC class drivers?

So we should actually keep on using genrtc instead of rtc-ppc/rtc-generic for
now? ;-)

With kind regards,

Geert Uytterhoeven
Software Architect

Sony Techsoft Centre Europe
The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium

Phone:    +32 (0)2 700 8453
Fax:      +32 (0)2 700 8622
E-mail:   Geert.Uytterhoeven@...ycom.com
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