diff options
| -rw-r--r-- | drivers/cpuidle/dt_idle_states.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/cpuidle/dt_idle_states.c b/drivers/cpuidle/dt_idle_states.c index 53342b7f1010..add9569636b5 100644 --- a/drivers/cpuidle/dt_idle_states.c +++ b/drivers/cpuidle/dt_idle_states.c @@ -22,16 +22,12 @@ #include "dt_idle_states.h" static int init_state_node(struct cpuidle_state *idle_state, - const struct of_device_id *matches, + const struct of_device_id *match_id, struct device_node *state_node) { int err; - const struct of_device_id *match_id; const char *desc; - match_id = of_match_node(matches, state_node); - if (!match_id) - return -ENODEV; /* * CPUidle drivers are expected to initialize the const void *data * pointer of the passed in struct of_device_id array to the idle @@ -160,6 +156,7 @@ int dt_init_idle_driver(struct cpuidle_driver *drv, { struct cpuidle_state *idle_state; struct device_node *state_node, *cpu_node; + const struct of_device_id *match_id; int i, err = 0; const cpumask_t *cpumask; unsigned int state_idx = start_idx; @@ -180,6 +177,12 @@ int dt_init_idle_driver(struct cpuidle_driver *drv, if (!state_node) break; + match_id = of_match_node(matches, state_node); + if (!match_id) { + err = -ENODEV; + break; + } + if (!of_device_is_available(state_node)) { of_node_put(state_node); continue; @@ -198,7 +201,7 @@ int dt_init_idle_driver(struct cpuidle_driver *drv, } idle_state = &drv->states[state_idx++]; - err = init_state_node(idle_state, matches, state_node); + err = init_state_node(idle_state, match_id, state_node); if (err) { pr_err("Parsing idle state node %pOF failed with err %d\n", state_node, err); |