platform/x86: ISST: Reset core count to 0

Based on feature revision, number of buckets can be less than the
TRL_MAX_BUCKETS. In that case core counts in the remaining buckets
can be set to some invalid values.

Hence reset core count to 0 for all buckets before assigning correct
values.

Fixes: 885d1c2a30b7 ("platform/x86: ISST: Support SST-TF revision 2")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260325192638.3417281-1-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

diff --git a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
index e238c3105c78e7a3750ec07b813eab1d6f758395..63f08d66703acc3608e476e7c8ea45e76ef42599 100644 (file)
--- a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
@@ -1461,6 +1461,8 @@ static int isst_if_get_turbo_freq_info(void __user *argp)
                                            SST_MUL_FACTOR_FREQ)
        }
 
+       memset(turbo_freq.bucket_core_counts, 0, sizeof(turbo_freq.bucket_core_counts));
+
        if (feature_rev >= 2) {
                bool has_tf_info_8 = false;