psci: initialize array fully to comply with MISRA
Initializes each element of the last_cpu_in_non_cpu_pd array in PSCI
stat implementation to -1, the reset value. This satisfies MISRA rule
9.3.
Previously, only the first element of the array was initialized to -1.
Change-Id: I666c71e6c073710c67c6d24c07a219b1feb5b773
Signed-off-by: Jonathan Wright <jonathan.wright@arm.com>
diff --git a/lib/psci/psci_stat.c b/lib/psci/psci_stat.c
index 3e79c5d..e925d34 100644
--- a/lib/psci/psci_stat.c
+++ b/lib/psci/psci_stat.c
@@ -24,7 +24,8 @@
* 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 @@
* 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)) {