Re: [patch 06/13] powerpc: cell interrupt controller updates

Milton Miller
2006-03-24T17:44:47Z

On Mar 22, 2006, at 5:00 PM, Arnd Bergmann wrote:
> static void spider_enable_irq(unsigned int irq)
> {
> + int nodeid = (irq / IIC_NODE_STRIDE) * 0x10;
> void __iomem *cfg = spider_get_irq_config(irq);
> irq = spider_get_nr(irq);
>
> - out_be32(cfg, in_be32(cfg) | 0x3107000eu);
> + out_be32(cfg, in_be32(cfg) | 0x3107000eu | nodeid);
> out_be32(cfg + 4, in_be32(cfg + 4) | 0x00020000u | irq);
> }
>

I just did a quick read of the code, but my first thought is what if
some other node id was previously set? Perhaps you should mask off
some bits before or'ing in the node id?

milton