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

Kumar Gala galak at kernel.crashing.org
Fri Mar 9 06:24:59 EST 2007


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



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