[PATCH v3 1/3] ACPI : introduce macros for using the ACPI specification version

[Hanjun Guo]

Hi Al,

On 2015/7/3 7:48, Al Stone wrote:
> Add the __ACPI_FADT_SPEC_VERSION() helper macro to build a proper version
> number from a major and minor revision number.  Add also macros that use
> the helper to construct the current version from the values in the FADT
> (i.e., ACPI_FADT_SPEC_VERSION) and both the 5.1 and 6.0 versions.
>
> These macros are added in order to simplify retrieving and comparing ACPI
> specification version numbers, since this is becoming a more frequent need.
> In particular, there are some architectures that require at least a certain
> version of the spec, and there are differences in some structure sizes that
> have changed with recent versions but can only be tracked by spec version
> number.
>
> Fixes: aeb823bbacc2 (ACPICA: ACPI 6.0: Add changes for FADT table.)

If I understand correctly, will it be (and for next two patches as well):

0cff8dc0099f (ACPICA: ACPI 6.0: Add changes for MADT table.)?

FADT table update was not introduce any regressions for ARM64
I think.

Thanks
Hanjun