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-rw-r--r--drivers/cpuidle/cpuidle-psci-domain.c14
-rw-r--r--drivers/cpuidle/cpuidle-riscv-sbi.c14
-rw-r--r--drivers/cpuidle/dt_idle_states.c14
3 files changed, 5 insertions, 37 deletions
diff --git a/drivers/cpuidle/cpuidle-psci-domain.c b/drivers/cpuidle/cpuidle-psci-domain.c
index 2041f59116ce..37c41209eaf9 100644
--- a/drivers/cpuidle/cpuidle-psci-domain.c
+++ b/drivers/cpuidle/cpuidle-psci-domain.c
@@ -28,7 +28,6 @@ struct psci_pd_provider {
};
static LIST_HEAD(psci_pd_providers);
-static bool psci_pd_allow_domain_state;
static int psci_pd_power_off(struct generic_pm_domain *pd)
{
@@ -38,9 +37,6 @@ static int psci_pd_power_off(struct generic_pm_domain *pd)
if (!state->data)
return 0;
- if (!psci_pd_allow_domain_state)
- return -EBUSY;
-
/* OSI mode is enabled, set the corresponding domain state. */
pd_state = state->data;
psci_set_domain_state(pd, pd->state_idx, *pd_state);
@@ -126,15 +122,6 @@ static void psci_pd_remove(void)
}
}
-static void psci_cpuidle_domain_sync_state(struct device *dev)
-{
- /*
- * All devices have now been attached/probed to the PM domain topology,
- * hence it's fine to allow domain states to be picked.
- */
- psci_pd_allow_domain_state = true;
-}
-
static const struct of_device_id psci_of_match[] = {
{ .compatible = "arm,psci-1.0" },
{}
@@ -195,7 +182,6 @@ static struct platform_driver psci_cpuidle_domain_driver = {
.driver = {
.name = "psci-cpuidle-domain",
.of_match_table = psci_of_match,
- .sync_state = psci_cpuidle_domain_sync_state,
},
};
diff --git a/drivers/cpuidle/cpuidle-riscv-sbi.c b/drivers/cpuidle/cpuidle-riscv-sbi.c
index 0fe1ece9fbdc..a360bc4d20b7 100644
--- a/drivers/cpuidle/cpuidle-riscv-sbi.c
+++ b/drivers/cpuidle/cpuidle-riscv-sbi.c
@@ -44,7 +44,6 @@ static DEFINE_PER_CPU_READ_MOSTLY(struct sbi_cpuidle_data, sbi_cpuidle_data);
static DEFINE_PER_CPU(struct sbi_domain_state, domain_state);
static bool sbi_cpuidle_use_osi;
static bool sbi_cpuidle_use_cpuhp;
-static bool sbi_cpuidle_pd_allow_domain_state;
static inline void sbi_set_domain_state(u32 state)
{
@@ -345,15 +344,6 @@ deinit:
return ret;
}
-static void sbi_cpuidle_domain_sync_state(struct device *dev)
-{
- /*
- * All devices have now been attached/probed to the PM domain
- * topology, hence it's fine to allow domain states to be picked.
- */
- sbi_cpuidle_pd_allow_domain_state = true;
-}
-
#ifdef CONFIG_DT_IDLE_GENPD
static int sbi_cpuidle_pd_power_off(struct generic_pm_domain *pd)
@@ -364,9 +354,6 @@ static int sbi_cpuidle_pd_power_off(struct generic_pm_domain *pd)
if (!state->data)
return 0;
- if (!sbi_cpuidle_pd_allow_domain_state)
- return -EBUSY;
-
/* OSI mode is enabled, set the corresponding domain state. */
pd_state = state->data;
sbi_set_domain_state(*pd_state);
@@ -564,7 +551,6 @@ static struct platform_driver sbi_cpuidle_driver = {
.probe = sbi_cpuidle_probe,
.driver = {
.name = "sbi-cpuidle",
- .sync_state = sbi_cpuidle_domain_sync_state,
},
};
diff --git a/drivers/cpuidle/dt_idle_states.c b/drivers/cpuidle/dt_idle_states.c
index 97feb7d8fb23..558d49838990 100644
--- a/drivers/cpuidle/dt_idle_states.c
+++ b/drivers/cpuidle/dt_idle_states.c
@@ -98,7 +98,6 @@ static bool idle_state_valid(struct device_node *state_node, unsigned int idx,
{
int cpu;
struct device_node *cpu_node, *curr_state_node;
- bool valid = true;
/*
* Compare idle state phandles for index idx on all CPUs in the
@@ -107,20 +106,17 @@ static bool idle_state_valid(struct device_node *state_node, unsigned int idx,
* retrieved from. If a mismatch is found bail out straight
* away since we certainly hit a firmware misconfiguration.
*/
- for (cpu = cpumask_next(cpumask_first(cpumask), cpumask);
- cpu < nr_cpu_ids; cpu = cpumask_next(cpu, cpumask)) {
+ cpu = cpumask_first(cpumask) + 1;
+ for_each_cpu_from(cpu, cpumask) {
cpu_node = of_cpu_device_node_get(cpu);
curr_state_node = of_get_cpu_state_node(cpu_node, idx);
- if (state_node != curr_state_node)
- valid = false;
-
of_node_put(curr_state_node);
of_node_put(cpu_node);
- if (!valid)
- break;
+ if (state_node != curr_state_node)
+ return false;
}
- return valid;
+ return true;
}
/**