[PATCH 1/2] arm: samsung: move timer irq numbers to end of linux irq space

Russell King - ARM Linux linux at arm.linux.org.uk
Fri Oct 7 09:15:17 EST 2011


On Fri, Oct 07, 2011 at 02:41:42AM +0530, Thomas Abraham wrote:
> All of Samsung's s5p platforms have timer irqs statically mapped from linux
> irq numbers 11 to 15. These timer irqs are moved to end of the statically
> mapped linux irq space and the hardware irqs, which were statically mapped
> starting from 32 is moved to start from 0. The NR_IRQS macro is consolidated
> for all the s5p platforms in this process.

Am I reading this patch correctly - in that on platforms with the GIC,
you add 32 to the GIC IRQ number _just_ to avoid the possibility that
IRQs 11-15 are seen as valid?

Or to put it another way, you're trying to ensure that if these timer
IRQs are requested, they will fail?


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