Re: [PATCH 2/3] ACPICA: Add interface for getting latest OS version requested via _OSI
From: Rafael J. Wysocki
Date: Mon Jun 17 2013 - 20:33:07 EST
On Monday, June 17, 2013 10:37:10 PM Matthew Garrett wrote:
> On Tue, 2013-06-18 at 00:31 +0200, Rafael J. Wysocki wrote:
> > Hi Matthew,
> > On Sunday, June 09, 2013 07:01:38 PM Matthew Garrett wrote:
> > > Drivers may need to make policy decisions based on the OS that the firmware
> > > believes it's interacting with. ACPI firmware will make a series of _OSI
> > > calls, starting from the oldest OS version they support and ending with the
> > > most recent. Add a function to return the last successful call so that
> > > drivers know what the firmware's expecting.
> > >
> > > Based on a patch by Seth Forshee <seth.forshee@xxxxxxxxxxxxx>
> > Bob (CCed) would prefer us to access acpi_gbl_osi_data directly instead of
> > adding the wrapper to ACPICA. He also thinks that the symbol definitions
> > should go into include/acpi/actypes.h rather than into acpixf.h.
> > Then, the only ACPICA change would be to move the symbols and we can
> > add a Linux-specific patch on top of that adding the acpi_gbl_osi_data
> > wrapper.
> That sounds good to me. Do you want to respin that, or should I send an
> updated set?
That one should be fine, no need to respin [1/3] and [3/3].
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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