Subject: Re: [patch 06/10] 40x decrementer fixes

From: Sergei Shtylyov <[email-masked]>
Date: Fri, 03 Aug 2007 21:25:26 +0400

Josh Boyer wrote:

>>>Allow generic_calibrate_decr to work for 40x platforms.  Given that the hardware
>>>behavior is identical, this also changes the set_dec function to reload the PIT
>>>on 40x to match the behavior 44x currently has.

>>    Why bother doing this?! This will only warrant you imprecise decrementer 
>>interrupts while it should be interrupting at the precise period currently (if 
>>you load PIT once)...

> Without some kind of fix, it doesn't function at all.  We can load the
> PIT once, but then we need to make sure ARE is set because if the PIT
> ticks down to zero it just sits there.

    Ah, sorry... somehow I thought 40x doesn't have TCR and so only a periodic 
mode. :-<

> josh

WBR, Sergei