On Mon, Jan 08, 2007 at 02:14:29AM +0900, Atsushi Nemoto wrote:
> The irq_base for {mips,rm7k,rm9k}_cpu_irq_init() are constant on all
> platforms and are same value on most platforms (0 or 16, depends on
> CONFIG_I8259). Define them in asm-mips/mach-generic/irq.h and make
> them customizable. This will save a few cycle on each CPU interrupt.
>
> A good side effect is removing some dependencies to MALTA in generic
> SMTC code.
>
> Although MIPS_CPU_IRQ_BASE is customizable, this patch changes irq
> mappings on DDB5477, EMMA2RH and MIPS_SIM, since really customizing
> them might cause some header dependency problem and there seems no
> good reason to customize it. So currently only VR41XX is using custom
> MIPS_CPU_IRQ_BASE value, which is 0 regardless of CONFIG_I8259.
>
> Testing this patch on those platforms is greatly appreciated. Thank
> you.
Queued for 2.6.21,
Ralf
