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platform/x86/intel/pmc: initialize empty PMT read result
pmc_core_pmt_get_lpm_req() returns the last telemetry read status. When firmware exposes no enabled low-power modes, the loop does not run and the function returns an uninitialized stack value. Initialize the status to success so an empty mode set is handled deterministically. Signed-off-by: Yousef Alhouseen <alhouseenyousef@gmail.com> Reviewed-by: David E. Box <david.e.box@linux.intel.com> Link: https://patch.msgid.link/20260630105101.54016-1-alhouseenyousef@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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