On Mon, 12 Nov 2001, Maciej W. Rozycki wrote: > On Sun, 11 Nov 2001, Geert Uytterhoeven wrote: > > > In other words, with such a driver, once you implemented rtc_get_time() > > > and rtc_set_time(), which is required by the kernel anyway, you will > > > automatically get a free /dev/rtc/ driver. > > > > > > This is the idea behind the generic MIPS rtc driver. See the patch below. > > > > Oh no, don't tell me we now have (at least) _three_ of these floating around > > :-) > > > > - On m68k, we have drivers/char/genrtc.c (not yet merged, check out CVS, see > > http://linux-m68k-cvs.apia.dhs.org/). > > - On PPC, we have drivers/macintosh/rtc.c. > > - On MIPS, we now have your drivers/char/mips_rtc.c. > > Agreed, what's wrong with drivers/char/rtc.c? It even works for the It's for MC146818 RTCs only. > DECstation which maps its RTC in an unusual (but nice) way -- it's just a > matter of initializing rtc_ops appropriately. See arch/mips/dec/rtc-dec.c > for an example. > > Unless you use a non-MC146818 RTC, which you need to write a separate > driver for anyway. Yep, so that's why both m68k and PPC have common routines to read/write the RTC, with a /dev/rtc-compatible abstraction on top of it. 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
