Re: FW: Alchemy power managment code.

[Ralf Baechle <ralf@linux-mips.org>]

On Mon, Mar 24, 2008 at 05:31:39PM +0300, Sergei Shtylyov wrote:

>  >    The TOY cpunter 0 clockevent driver is also need to be written for
>> the recent kernel as CP0 timer stops ticking after wait insn is executed 
>> -- see arch/mips/au1000/common/time.c...
>
>    And here's found another possible issue with Alchemy PM -- the CP0 
> counter counts at unpredictable frequency in idle state (after executing 
> "wait"), so the MIPS clocksource will probably be unstable?

Correct - and cevt-r4k won't be usable either.  I guess that means you
leave the user the choice between either these two or using wait.  Not
nice but ...

  Ralf