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

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Message-ID: <alpine.LRH.2.00.0903040920240.2416@vixen.sonytel.be>
Date:	Wed, 4 Mar 2009 09:26:29 +0100 (CET)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	Paul Mundt <lethal@...ux-sh.org>
cc:	Linux/m68k <linux-m68k@...r.kernel.org>,
	Alessandro Zummo <alessandro.zummo@...ertech.it>,
	Richard Zidlicky <rz@...ux-m68k.org>,
	rtc-linux@...glegroups.com, linux-parisc@...r.kernel.org,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	Kyle McMartin <kyle@...artin.ca>,
	Linux/PPC Development <linuxppc-dev@...abs.org>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [rtc-linux] Re: [PATCH/RFC 0/5] Generic RTC class driver

On Wed, 4 Mar 2009, Paul Mundt wrote:
> On Tue, Mar 03, 2009 at 11:41:23AM +0100, Geert Uytterhoeven wrote:
> > So would you accept a patch series that:
> >   1. Adds the missing module aliases to rtc-parisc (which is a bugfix),
> >   2. Moves the platform device creation out of rtc-ppc and into arch-specific
> >      code (which is also a bugfix),
> >   3. Consolidates rtc-parisc and rtc-ppc into rtc-generic (which is a cleanup),
> >   4. Makes rtc-generic dependent on PARISC, PPC, and M68K (the existing
> >      [sg]et_rtc_time() users):
> >        a. without introducing ARCH_HAS_GENERIC_RTC,
> >        b. with a big fat warning in the Kconfig comment not relaxing the
> >           dependencies, as it's supposed to go away.
> >   4. Converts the PS3 RTC support into a separate driver, called rtc-ps3
> >      (as a bonus ;-)
> > 
> > ? If yes, I'll cook it up.
> > 
> > Other RTC platform support can be converted into separate drivers later.
> > 
> Did you miss the rtc-firmware thread?
> 
> http://groups.google.com/group/rtc-linux/browse_thread/thread/53e8d98966048f66/1d730cb4aa2f85f0?lnk=gst&q=rtc-firmware#1d730cb4aa2f85f0
> http://groups.google.com/group/rtc-linux/browse_thread/thread/b3d10115c7e147f2/cb9c1530d9c3a433?lnk=gst&q=rtc-firmware#cb9c1530d9c3a433

Thanks Paul, I wasn't aware of that thread!

Yes, this is almost the same. The only part I don't agree with is the move of
the creation of the platform device from arch-specific code to rtc-firmware.c,
as this makes autoloading the driver more difficult.

Seems like everybody but the RTC maintainer has an interest in having an RTC
class driver on top of [gs]et_rtc_time()... ;-)

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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