[PATCH] Better timer and RTC handling for 8641HPCN.

[Zhang Wei-r63237]

Please use 80.
We reserve the first 16 ints for legacy 8259 interrupts. And we want the
virq is the same value to hw-irq.

Thanks!
Zhang Wei

> -----Original Message-----
> From: Kumar Gala [mailto:galak at kernel.crashing.org] 
> Sent: Friday, March 09, 2007 3:25 AM
> To: Wang Haiying-r54964
> Cc: Loeliger Jon-LOELIGER; linuxppc-dev at ozlabs.org; Zhang Wei-r63237
> Subject: Re: [PATCH] Better timer and RTC handling for 8641HPCN.
> 
> 
> On Mar 8, 2007, at 1:19 PM, Haiying Wang wrote:
> 
> >> And we're to change the NR_IRQS-10 to a hard 64 as well, right?
> >>
> > If we need change to hard value here, we should use 80 instead 64
> > because there are 16 interrupt sources for 8259, 48 for internal,  
> > 12 for
> > external.
> 
> but the 16 interrupts for 8259 have nothing to do with how many you  
> allocate for MPIC.  64 is the number of MPIC interrupts (48 int + 12  
> ext = 60).  I say 64 because of how the register addresses.
> 
> - k
>