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path: root/drivers/cpuidle/coupled.c
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Diffstat (limited to 'drivers/cpuidle/coupled.c')
-rw-r--r--drivers/cpuidle/coupled.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/cpuidle/coupled.c b/drivers/cpuidle/coupled.c
index 04003b90dc49..bb8761c8a42e 100644
--- a/drivers/cpuidle/coupled.c
+++ b/drivers/cpuidle/coupled.c
@@ -54,7 +54,7 @@
* variable is not locked. It is only written from the cpu that
* it stores (or by the on/offlining cpu if that cpu is offline),
* and only read after all the cpus are ready for the coupled idle
- * state are are no longer updating it.
+ * state are no longer updating it.
*
* Three atomic counters are used. alive_count tracks the number
* of cpus in the coupled set that are currently or soon will be
@@ -439,13 +439,8 @@ static int cpuidle_coupled_clear_pokes(int cpu)
static bool cpuidle_coupled_any_pokes_pending(struct cpuidle_coupled *coupled)
{
- cpumask_t cpus;
- int ret;
-
- cpumask_and(&cpus, cpu_online_mask, &coupled->coupled_cpus);
- ret = cpumask_and(&cpus, &cpuidle_coupled_poke_pending, &cpus);
-
- return ret;
+ return cpumask_first_and_and(cpu_online_mask, &coupled->coupled_cpus,
+ &cpuidle_coupled_poke_pending) < nr_cpu_ids;
}
/**
@@ -626,9 +621,7 @@ out:
static void cpuidle_coupled_update_online_cpus(struct cpuidle_coupled *coupled)
{
- cpumask_t cpus;
- cpumask_and(&cpus, cpu_online_mask, &coupled->coupled_cpus);
- coupled->online_count = cpumask_weight(&cpus);
+ coupled->online_count = cpumask_weight_and(cpu_online_mask, &coupled->coupled_cpus);
}
/**
@@ -674,8 +667,7 @@ have_coupled:
coupled->refcnt++;
csd = &per_cpu(cpuidle_coupled_poke_cb, dev->cpu);
- csd->func = cpuidle_coupled_handle_poke;
- csd->info = (void *)(unsigned long)dev->cpu;
+ INIT_CSD(csd, cpuidle_coupled_handle_poke, (void *)(unsigned long)dev->cpu);
return 0;
}