RE: [PATCHSET][2.6-test4][0/6]Support for HPET based timer - Take 2

[Pallipadi, Venkatesh]

The part of the patch that does the HPET initialization for timer
interrupt, and general HPET registers read/write/programming can be
common across architectures.
However, different archs diverge, when it comes to gettimeofday-timer
implementation (tsc, pit, itc, hpet, ) and we may still have to keep
that part architecture specific. 

Thanks,
Venkatesh

> -----Original Message-----
> From: David Mosberger-Tang [mailto:David.Mosberger@xxxxxxx] 
> Sent: Thursday, August 28, 2003 8:41 PM
> To: Pallipadi, Venkatesh
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCHSET][2.6-test4][0/6]Support for HPET based 
> timer - Take 2
> 
> 
> >>>>> On Fri, 29 Aug 2003 01:50:09 +0200, "Pallipadi, 
> Venkatesh" <venkatesh.pallipadi@xxxxxxxxx> said:
> 
>   Venkatesh> Resending the patch. A major change from previous version
>   Venkatesh> is elimination of fixmap for HPET. Based on Andrew
>   Venkatesh> Morton's suggestion, we have a new hook in init/main.c
>   Venkatesh> for late_time_init(), at which time we can use ioremap,
>   Venkatesh> in place of fixmap.  Impact on other archs:
>   Venkatesh> Calibrate_delay() (and hence loops_per_jiffy calculation)
>   Venkatesh> has moved down in main.c, from after time_init() to after
>   Venkatesh> kmem_cache_init().
> 
>   Venkatesh> All comments/feedbacks welcome.
> 
> How much is really architecture-specific?  HPET isn't x86-only so
> sooner or later, we'll have to move it out of arch/i386 anyhow.
> 
> 	--david
> 
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