diff options
Diffstat (limited to 'drivers/cpuidle/dt_idle_states.c')
| -rw-r--r-- | drivers/cpuidle/dt_idle_states.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/cpuidle/dt_idle_states.c b/drivers/cpuidle/dt_idle_states.c index 52f4d11bbf3f..a5c111b67f37 100644 --- a/drivers/cpuidle/dt_idle_states.c +++ b/drivers/cpuidle/dt_idle_states.c @@ -27,6 +27,7 @@ static int init_state_node(struct cpuidle_state *idle_state, { int err; const struct of_device_id *match_id; + const char *desc; match_id = of_match_node(matches, state_node); if (!match_id) @@ -73,7 +74,11 @@ static int init_state_node(struct cpuidle_state *idle_state, return -EINVAL; } - idle_state->flags = CPUIDLE_FLAG_TIME_VALID; + err = of_property_read_string(state_node, "idle-state-name", &desc); + if (err) + desc = state_node->name; + + idle_state->flags = 0; if (of_property_read_bool(state_node, "local-timer-stop")) idle_state->flags |= CPUIDLE_FLAG_TIMER_STOP; /* @@ -82,7 +87,7 @@ static int init_state_node(struct cpuidle_state *idle_state, * and desc become string pointers */ strncpy(idle_state->name, state_node->name, CPUIDLE_NAME_LEN - 1); - strncpy(idle_state->desc, state_node->name, CPUIDLE_DESC_LEN - 1); + strncpy(idle_state->desc, desc, CPUIDLE_DESC_LEN - 1); return 0; } @@ -169,6 +174,9 @@ int dt_init_idle_driver(struct cpuidle_driver *drv, if (!state_node) break; + if (!of_device_is_available(state_node)) + continue; + if (!idle_state_valid(state_node, i, cpumask)) { pr_warn("%s idle state not valid, bailing out\n", state_node->full_name); |