DT allows CPU PMU variant detection via the PMU device compatible
property. ACPI does not have an equivalent mechanism so we introduce
a probe table to allow this via a device nested inside the CPU device
in the DSDT:
Device (CPU0)
{
Name (_HID, "ACPI0007" /* Processor Device */)
...
DT allows CPU PMU variant detection via the PMU device compatible
property. ACPI does not have an equivalent mechanism so we introduce
a probe table to allow this via a device nested inside the CPU device
in the DSDT:
Device (CPU0)
{
Name (_HID, "ACPI0007" /* Processor Device */)
...
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