On 3 November 2015 at 09:08, Shannon Zhao <shannon.z...@linaro.org> wrote: > > > On 2015/11/3 16:31, Graeme Gregory wrote: >> >> >> On Tue, 3 Nov 2015, at 02:25 AM, Shannon Zhao wrote: >>> Hi Graeme, >>> >>> On 2015/11/2 18:39, Graeme Gregory wrote: >>>> According to ACPI specification 6.2.17 _CCA (Cache Coherency Attribute) >>>> this attribute is compulsary on ARM systems. Add this attribute to >>>> the PCI host bridges as required. >>>> >>> >>> To ACPI 5.1 this object is not compulsory and if not supplied it has >>> default value for it. But to ACPI 6.0 it must be supplied on ARM systems. >>> Regarding this change, ACPI 6.0 fixes 5.1 for this object, right? >>> >> >> Hi Shannon, the wording in ACPI 5.1 is "On ARM based systems, the _CCA >> object must be supplied all such devices." >> >> So is not functionally different from 6.0. >> > Oh, I see. It's updated by 5.1 Errata 1189. > > Reviewed-by: Shannon Zhao <shannon.z...@linaro.org>
Applied to target-arm.next, thanks. -- PMM
