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SubjectRe: [PATCH 2/3] ACPICA: Add interface for getting latest OS version requested via _OSI
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 <>
> 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?

Matthew Garrett |
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