"H. Peter Anvin" <[EMAIL PROTECTED]> writes:
> Followup to: <[EMAIL PROTECTED]>
> By author: Martin Mares <[EMAIL PROTECTED]>
> In newsgroup: linux.dev.kernel
> >
> > This doesn't make much sense to me: Why don't we just reinitialize the timings
> > as we do when programming the chipset instead of saving/restoring the state?
> >
> > Also, are you sure BIOSes don't save the IDE controller state when suspending?
I my experience, BIOSes do not do anything that you might expect them to :-)
(and usually do things you don't want them to ...)
> Wrong question. The proper question is "are we not sure the BIOS
> doesn't save..." and the answer is "with all the buggy BIOSes out
> there, of course not."
>
> Seriously. Relying on the BIOS any more than the absolutely necessary
> minimum is way dangerous.
Also, we need to plan for ACPI where we have to do all the power management
ourselves ...
Cheers,
Stephen
--
Stephen Rothwell, Open Source Researcher, Linuxcare, Inc.
+61-2-62628990 tel, +61-2-62628991 fax
[EMAIL PROTECTED], http://www.linuxcare.com/
Linuxcare. Support for the revolution.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
Please read the FAQ at http://www.tux.org/lkml/
