Re: aranym /dev/rtc
On Fri, May 15, 2009 at 03:51:54PM -0500, Stephen R Marenka wrote:
> On Fri, May 15, 2009 at 09:07:53PM +0200, Geert Uytterhoeven wrote:
> > On Fri, May 15, 2009 at 18:35, Lance Tagliapietra <lancetag@luminet.net> wrote:
> > > On Tue, Apr 28, 2009 at 09:58:31AM -0500, Stephen R Marenka wrote:
> > >> On Mon, Apr 27, 2009 at 10:33:14PM +0200, Geert Uytterhoeven wrote:
> > >> > On Mon, Apr 27, 2009 at 20:56, Stephen R Marenka <stephen@marenka.net> wrote:
> > >> > > It was recently pointed out to me that under aranym there is no
> > >> > > /dev/rtc and none of the rtc-*.ko modules helps.
> > >> > >
> > >> > > Of course openntpd does.
> > >> > >
> > >> > > Should rtc work? Did I miss something in the kernel config?
> > >> >
> > >> > Works here!
> > >> >
> > >> > $ hwclock -ur
> > >> > Tue Apr 28 00:25:59 2009 ?-1.010041 seconds
> > >> > $
> > >> >
> > >> > There are actually 4 options, some will not work yet, though:
> > >> > ? 1. CONFIG_RTC_CLASS=n, CONFIG_GEN_RTC=[my], /dev/rtc = 10,135
> > >> > ? ? ?This is what I was using, using the deprecated generic RTC interface.
> > >> > ? 2. CONFIG_RTC_CLASS=n, CONFIG_RTC=[my], /dev/rtc = 10,135
> > >> > ? ? ?Old style CMOS RTC driver, used to work on PC and Atari.
> > >> > ? 3. CONFIG_RTC_CLASS=y, CONFIG_RTC_DRV_GENERIC=[my], /dev/rtc is dynamic
> > >> > ? ? ?Should work, as of 2.6.30-rc1, using RTC class on top of the
> > >> > generic RTC interface.
> > >> > ? 4. CONFIG_RTC_CLASS=y, CONFIG_RTC_DRV_CMOS=[my], /dev/rtc is dynamic
> > >> > ? ? ?While rtc-cmos can be enabled on Atari (it was derived from
> > >> > rtc.c), it won't work yet,
> > >> > ? ? ?as the necessary rtc_cmos platform device is not yet created on Atari.
> > >>
> > >> Config fixed for debian 2.6.29-4.
> > >
> > > But I don't think the CONFIG_RTC_CLASS=y is correct for the Amiga kernel builds
> > > but it is selected in the .config for the -amiga kernels available from
> > > http://people.debian.org/~smarenka/m68k/kernel/
> > > (the 2.6.26 and 2.6.28 that I have looked at, anyway).
> > >
> > > I believe that CONFIG_GEN_RTC=y and CONFIG_GEN_RTC_X=y should be the proper
> > > selections and CONFIG_RTC_CLASS should not be set. These are the defaults for the m68k arch.
> > >
> > > I am currently building a kernel with these selection changes to verify (2.6.29.1).
> >
> > Indeed, CONFIG_RTC_CLASS=y is only useful for m68k in 2.6.30-rc*.
>
> So for 2.6.29 the RTC config for all m68k subarchs should be like?
>
> CONFIG_GEN_RTC_X=y
> CONFIG_RTC_CLASS=n
> CONFIG_GEN_RTC=m
> CONFIG_RTC=m
I would agree. Tested and working here.
--Lance
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