diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/psci/psci_stat.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/psci/psci_stat.c b/lib/psci/psci_stat.c index 3e79c5d7c..e925d34ed 100644 --- a/lib/psci/psci_stat.c +++ b/lib/psci/psci_stat.c @@ -24,7 +24,8 @@ typedef struct psci_stat { * Following is used to keep track of the last cpu * that goes to power down in non cpu power domains. */ -static int last_cpu_in_non_cpu_pd[PSCI_NUM_NON_CPU_PWR_DOMAINS] = {-1}; +static int last_cpu_in_non_cpu_pd[PSCI_NUM_NON_CPU_PWR_DOMAINS] = { + [0 ... PSCI_NUM_NON_CPU_PWR_DOMAINS-1] = -1}; /* * Following are used to store PSCI STAT values for @@ -129,6 +130,10 @@ void psci_stats_update_pwr_up(unsigned int end_pwrlvl, * prior to this CPU powering on. */ parent_idx = psci_cpu_pd_nodes[cpu_idx].parent_node; + /* Return early if this is the first power up. */ + if (last_cpu_in_non_cpu_pd[parent_idx] == -1) + return; + for (lvl = PSCI_CPU_PWR_LVL + 1; lvl <= end_pwrlvl; lvl++) { local_state = state_info->pwr_domain_state[lvl]; if (is_local_state_run(local_state)) { |