Hi Kai-Heng, This is likely because the system you are using is missing the ACPI data that exposes the IPC device used to access telemetry. To be sure, file a bugzilla and add the ACPI dump and we can confirm. Thanks. David On Mon, 2020-03-09 at 21:35 +0800, Kai-Heng Feng wrote: > Hi, > > I am trying to find a way to make a Gemini Lake system successfully > use intel_telemetry_debugfs. > > However, telemetry_pltconfig_valid() in telemetry_debugfs_init() > never succeeds. > This is due to telemetry_pltdrv_probe() never gets called, so > telemetry_set_pltdata() has never set the pltconfig. > > I am not sure why the module gets loaded but probe was never called, > so I wonder if you guys know how to make this work. > > Kai-Heng >
