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Date: Wed, 26 May 2010 20:45:22 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Rabin VINCENT <rabin.vincent@stericsson.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>,
       "rtc-linux@googlegroups.com" <rtc-linux@googlegroups.com>,
       Samuel Ortiz <sameo@linux.intel.com>,
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       Virupax SADASHIVPETIMATH 
	<virupax.sadashivpetimath@stericsson.com>,
       Linus WALLEIJ <linus.walleij@stericsson.com>,
       Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Subject: Re: [PATCH] rtc: AB8500 RTC driver
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On Thu, 27 May 2010 08:44:44 +0530 Rabin VINCENT <rabin.vincent@stericsson.com> wrote:

> On Wed, May 26, 2010 at 21:09:04 +0200, Andrew Morton wrote:
> > > --- a/drivers/rtc/rtc-ab8500.c~rtc-ab8500-rtc-driver-update
> > > +++ a/drivers/rtc/rtc-ab8500.c
> > > @@ -46,16 +46,25 @@
> > >  #define COUNTS_PER_SEC			(0xF000 / 60)
> > >  #define AB8500_RTC_EPOCH		2000
> > >  
> > > +static const unsigned long ab8500_rtc_time_regs[] = {
> > > +	AB8500_RTC_WATCH_TMIN_HI_REG, AB8500_RTC_WATCH_TMIN_MID_REG,
> > > +	AB8500_RTC_WATCH_TMIN_LOW_REG, AB8500_RTC_WATCH_TSECHI_REG,
> > > +	AB8500_RTC_WATCH_TSECMID_REG
> > > +};
> > > +
> > > +static const unsigned long ab8500_rtc_alarm_regs[] = {
> > > +	AB8500_RTC_ALRM_MIN_HI_REG, AB8500_RTC_ALRM_MIN_MID_REG,
> > > +	AB8500_RTC_ALRM_MIN_LOW_REG
> > > +};
> > 
> > Well, it wasn't necessary to move these into file-global scope.  It
> > would be nicer to leave them in function scope, really.  I was just
> > pointing out that the `static' was missing, although unnecessary due to
> > compiler magic.
> 
> I know, but we moved them out to reduce code duplication because these
> lists were used in multiple functions and were copy/pasted in them.
> 

Ah.  Good reason :)