Re: revert yenta free_irq on suspend

Benjamin Herrenschmidt
2005-08-01T09:01:09Z

On Sun, 2005-07-31 at 23:20 +0200, Pavel Machek wrote:
> Hi!
>
> > Also I'd like to point out that this patch broke APM suspend-to-ram,
> > not ACPI S3. IMO, it may not be possible to support both APM and ACPI
> > on every system, as their specs are not intended to be compatible.
> > Progress toward proper suspend-to-ram support will, in many cases, be
> > a small setback for APM. This really can't be avoided.
>
> Actually, for APM, OS theoretically does *not* need to FREEZE the
> devices (or do anything else). "Doing nothing" should be easy...

Bullshit. See what happens if you try to APM suspend while a IDE DMA
transfer is in progress ...

Ben.