Geoff Levand wrote:
quoted text
> Alessandro Zummo wrote:
>> On Wed, 20 Feb 2008 10:11:23 -0600
>> Kumar Gala <galak@kernel.crashing.org> wrote:
>> 
>>> 
>>> Is the functionality provided by drivers/char/gen_rtc.c completely  
>>> handled by the rtc subsystem in drivers/rtc?
>>> 
>>> I ask for two reasons:
>>> 1. should we make it mutually exclusive in Kconfig
>>> 2. I've enabled both and get (we'll my defconfig did):
>> 
>>  They shouldn't be enabled at once. I think a patch 
>>  for Kconfig has been recently submitted to give a warning
>>  in such a case.
>> 
>>  rtc-cmos should be able to handle the vast majority of x86
>>  rtcs out there. 
> 
> gen_rtc was hooked up to the powerpc platform
> ppc_md.set_rtc_time and ppc_md.get_rtc_time via the arch
> specific get_rtc_time() and  set_rtc_time() routines.
> 
>>From what I can tell, those generic rtc routines the powerpc
> arch provides are not properly hooked into the new rtc subsystem.
> This causes problems for multi-platform builds where some platforms
> must use gen_rtc, and some must the new rtc subsytem.

Just to follow up, I found that David Woodhouse has submitted
a patch which does this:

   http://patchwork.ozlabs.org/linuxppc/patch?id=18139

-Geoff

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