RFC: i8259.c & PCI int ack

[hollis at austin.ibm.com]

On Mon, Dec 03, 2001 at 02:37:56PM -0800, Michael Sokolov wrote:
> hollis at austin.ibm.com wrote:
>
> > - i8259_init now takes a 'long intack_addr', which on PReP is 0xbffffff0.
> >   For platforms that only poll, this argument is irrelevant and can be 0x0
> >
> > [...]
> >
> > If this is the right idea, I intend to change all 8259 users:
> > - ppc_md.get_irq = i8259_irq       ->   ppc_md.get_irq = i8259_poll
> > - i8259_init()                     ->   i8259_init(0x0)
> > - i8259_irq(smp_processor_id())    ->   i8259_poll()
>
> With this patch on platforms that only poll, your code will still do an
> ioremap on i8259_init's argument, even if it's 0. I'm not sure that is good.

Good point; fixed.

-Hollis

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