Re: aranym /dev/rtc
On Thu, Dec 5, 2013 at 12:53 AM, Michael Schmitz <schmitzmic@gmail.com> wrote:
> On Tue, Dec 3, 2013 at 12:07 AM, Geert Uytterhoeven
> <geert@linux-m68k.org> wrote:
>> Going back into time...
>>
>> On Mon, 27 Apr 2009, Geert Uytterhoeven wrote:
>>> 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.
>>
>> I gave it a try, cfr. "[PATCH 1/2] [RFC] m68k/atari: Create rtc_cmos platform
>> device" below.
>>
>> Unfortunately it didn't work well, cfr. "[PATCH 2/2] [RFC] rtc: Disable
>> RTC_DRV_CMOS on Atari" below, while rtc-generic works fine for the RTC part,
>> and the separate nvram driver works for the NVRAM part.
>>
>> So unless someone has a good reason for using rtc_cmos (and some patches
>> to fix its issues), I'll go for [PATCH 2/2].
>
> The generic CMOS driver will have the TT_MFP_RTC interrupt available
> only on a TT - maybe that's why it won't work on ARAnyM?
Perhaps. Note that rtc-generic also doesn't have an interrupt, but it does work.
Would be nice if someone could try rtc-cmos on a real TT, of course.
> Nothing wrong with applying the second part of 1/2 (renaming the
> RTC_PORT macro to ATARI_RTC_PORT) anyway, though.
Good point, thanks! Will do.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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