On 18-05-22, 11:08, Pierre Gondois wrote: > ACPI 6.2 Section 6.2.11.2 'Platform-Wide OSPM Capabilities': > Starting with ACPI Specification 6.2, all _CPC registers can be in > PCC, System Memory, System IO, or Functional Fixed Hardware address > spaces. OSPM support for this more flexible register space scheme is > indicated by the “Flexible Address Space for CPPC Registers” _OSC bit > > Otherwise (cf ACPI 6.1, s8.4.7.1.1.X), _CPC registers must be in: > - PCC or Functional Fixed Hardware address space if defined > - SystemMemory address space (NULL register) if not defined > > Add the corresponding _OSC bit and check it when parsing _CPC objects. > > Signed-off-by: Pierre Gondois <pierre.gondois@xxxxxxx> > Reviewed-by: Sudeep Holla <sudeep.holla@xxxxxxx> > --- > drivers/acpi/bus.c | 18 ++++++++++++++++++ > drivers/acpi/cppc_acpi.c | 9 +++++++++ > include/linux/acpi.h | 2 ++ > 3 files changed, 29 insertions(+) It would be much useful to get a cover letter for this series with what you have changed since the previous version. It is almost impossible to find that out otherwise. -- viresh
