On Mon, 9 Oct 2006 13:41:50 +0200 Stefan Seyfried wrote:
> On Wed, Sep 27, 2006 at 03:36:27PM -0700, Kristen Carlson Accardi wrote:
> > _GTF is an acpi method that is used to reinitialize the drive. It returns
> > a task file containing ata commands that are sent back to the drive to restore
> > it to boot up defaults.
> >
> > Signed-off-by: Kristen Carlson Accardi <[email protected]>
> >
> > ---
> > Documentation/kernel-parameters.txt | 5
>
> > --- 2.6-mm.orig/Documentation/kernel-parameters.txt
> > +++ 2.6-mm/Documentation/kernel-parameters.txt
> > @@ -48,6 +48,7 @@ parameter is applicable:
> > ISAPNP ISA PnP code is enabled.
> > ISDN Appropriate ISDN support is enabled.
> > JOY Appropriate joystick support is enabled.
> > + LIBATA Libata driver is enabled
> > LP Printer support is enabled.
> > LOOP Loopback device support is enabled.
> > M68k M68k architecture is enabled.
> > @@ -1013,6 +1014,10 @@ and is between 256 and 4096 characters.
> > emulation library even if a 387 maths coprocessor
> > is present.
> >
> > + noacpi [LIBATA] Disables use of ACPI in libata suspend/resume
> > + when set.
> > + Format: <int>
>
> this will confuse users that already think they can disable ACPI with "noacpi"
> (instead of "acpi=off") and that already fight with "noapic". I have seen too
> many confusions of this kind in bugreports.
>
> Couldn't it be made "libata=noacpi" like we have "pci=noacpi" already?
It only applies to the libata module, so it could be more fully
documented as "libata.noacpi=1" to disable ACPI for libata.
We don't usually do that in Documentation/kernel-parameters.txt,
but there are a few cases/examples of doing so.
Of course, that's for libata built-in the kernel image. If libata
is a loadable module, it's just
modprobe libata noacpi=1
or set it in /etc/modprobe.conf.
---
~Randy
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