Re: Fix IDE initialization when we don't probe for interrupts.

[Bartlomiej Zolnierkiewicz]

On Wed, 9 Jul 2003, Linus Torvalds wrote:

> On Wed, 9 Jul 2003, Jeff Garzik wrote:
> >
> > I'm curious where interrupts are re-enabled, though?
>
> The low-level drivers seem to do it at every IO. Don't ask me why. But it
> gets done automatically by any code that does
>
> 	hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
>
> which is pretty common (just grep for "IDE_CONTROL_REG" and you'll see
> what I mean).
>
> I note that I should have made this "disable irq" be dependent on
> IDE_CONTROL_REG being non-zero. Although I don't see when that register
> _can_ be zero, it would be a major bummer not to have access to the
> control register.
>
> (Obviously it must be zero for some architecture, though, or those
> conditionals woulnd't make sense. Alan?  Bartlomiej? What kind of sick
> pseudo-IDE controller doesn't have a control register?).

Amiga X-Surf and Amiga Gayle with IDE doubler...
--
Bartlomiej

> 			Linus