On Thu, Jun 20, 2019 at 08:57:32AM +0100, Lee Jones wrote: > On Wed, 19 Jun 2019, Sudeep Holla wrote: > > > On Wed, Jun 19, 2019 at 02:18:31PM +0200, Ard Biesheuvel wrote: > > > Some Qualcomm Snapdragon based laptops built to run Microsoft Windows > > > are clearly ACPI 5.1 based, given that that is the first ACPI revision > > > that supports ARM, and introduced the FADT 'arm_boot_flags' field, > > > which has a non-zero field on those systems. > > > > > > So in these cases, infer from the ARM boot flags that the FADT must be > > > 5.1 or later, and treat it as 5.1. > > > > > > > Makes sense and looks simple to me. > > > > Acked-by: Sudeep Holla <sudeep.holla@xxxxxxx> > > Could we pleeeeease have this in for v5.3? > > We have available, consumer-level platforms that rely on this change. But we do not have the kernel infrastructure to support them so I am fine with it but urgency is questionable as far as I am concerned. Lorenzo
