linux-kernel - Re: Kconfig RTC selection (was: 2.6.25-rc7: Ugh.)

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Message-ID: <20080328210643.GJ32200@cs181133002.pp.htv.fi>
Date:	Fri, 28 Mar 2008 23:06:43 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	David Brownell <david-b@...bell.net>
Cc:	Mark Lord <lkml@....ca>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	rtc-linux@...glegroups.com, David Miller <davem@...emloft.net>
Subject: Re: Kconfig RTC selection (was: 2.6.25-rc7: Ugh.)

On Fri, Mar 28, 2008 at 01:04:38PM -0700, David Brownell wrote:
> [ CC's trimmed a bit ]
> 
> On Friday 28 March 2008, Mark Lord wrote:
> > > +# These legacy RTC drivers just cause too many conflicts with the generic
> > > +# RTC framework ... let's not even try to coexist any more.
> > ...
> > 
> > Thanks, David.  Could you perhaps also update the option descriptions
> > to clearly indicate which set of RTCs are the new ones, and which are
> > the old ones that are going away someday?
> 
> Hmm, I thought that would be clear from context.
> "These" (drivers/char) legacy RTC drivers (old),
> vs generic RTC framework (toplevel driver Kconfig).
> 
> Admittedly the *previous* Kconfig was troublesome,
> at the UI level (vs. those comments outside the GUI).
> 
> 
> A more general issue seems to be what to do with
> those legacy RTC drivers.  Few of them seem to
> have maintainers.  I don't want to own them, and
> I doubt Alessandro does either.  If their Kconfig
> is going to change, I'd rather just see them all
> flagged as deprecated ... with plans to delete them.
> 
> The RTCs in question being:
> 
>   "RTC" ... replaced by new "rtc-cmos"
> 	--> ready to deprecate now ?

The only reason against killing it immediately seems to be SND_RTCTIMER.

>   "JS_RTC" ... a SPARC32 thing
> 	--> bug?? no "js-rtc.c" in the tree!  patch sent

Where's the bug?
js-rtc is built from rtc.c

>...
>   "DS1302" ... M32R-specific, "rtc-ds1302" should replace it
> 	--> ready to deprecate now?
>...

Kconfig currently offers rtc-ds1302 only for an sh platform...

> - Dave

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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