On Intel Xeon, unused PMT regions will have uninitialized discovery headers containing all 0xF. Instead of returning an error, just skip the region. Signed-off-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx> --- drivers/platform/x86/intel/pmt/telemetry.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/intel/pmt/telemetry.c b/drivers/platform/x86/intel/pmt/telemetry.c index 71cdef42084a..39cbc87cc28a 100644 --- a/drivers/platform/x86/intel/pmt/telemetry.c +++ b/drivers/platform/x86/intel/pmt/telemetry.c @@ -78,7 +78,7 @@ static int pmt_telem_header_decode(struct intel_pmt_entry *entry, * reserved for future use. They have zero size. Do not fail * probe for these. Just ignore them. */ - if (header->size == 0) + if (header->size == 0 || header->access_type == 0xF) return 1; return 0; base-commit: 5b309e80f457ebb41770e0122766825a78cfc11b prerequisite-patch-id: a3bf21940fa02eb2f3adb4bd2d3a93df14df077a -- 2.34.1
