diff options
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/arch_topology.c | 15 | ||||
-rw-r--r-- | drivers/base/power/domain.c | 14 | ||||
-rw-r--r-- | drivers/base/power/runtime.c | 5 |
3 files changed, 21 insertions, 13 deletions
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 75f72d684294..c1a9e2fb634e 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -21,18 +21,27 @@ #include <linux/sched.h> #include <linux/smp.h> -__weak bool arch_freq_counters_available(struct cpumask *cpus) +bool topology_scale_freq_invariant(void) +{ + return cpufreq_supports_freq_invariance() || + arch_freq_counters_available(cpu_online_mask); +} + +__weak bool arch_freq_counters_available(const struct cpumask *cpus) { return false; } DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE; -void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq, - unsigned long max_freq) +void topology_set_freq_scale(const struct cpumask *cpus, unsigned long cur_freq, + unsigned long max_freq) { unsigned long scale; int i; + if (WARN_ON_ONCE(!cur_freq || !max_freq)) + return; + /* * If the use of counters for FIE is enabled, just return as we don't * want to update the scale factor with information from CPUFREQ. diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 0198af358503..05bb4d4401b2 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -2033,8 +2033,9 @@ int of_genpd_add_provider_simple(struct device_node *np, if (genpd->set_performance_state) { ret = dev_pm_opp_of_add_table(&genpd->dev); if (ret) { - dev_err(&genpd->dev, "Failed to add OPP table: %d\n", - ret); + if (ret != -EPROBE_DEFER) + dev_err(&genpd->dev, "Failed to add OPP table: %d\n", + ret); goto unlock; } @@ -2043,7 +2044,7 @@ int of_genpd_add_provider_simple(struct device_node *np, * state. */ genpd->opp_table = dev_pm_opp_get_opp_table(&genpd->dev); - WARN_ON(!genpd->opp_table); + WARN_ON(IS_ERR(genpd->opp_table)); } ret = genpd_add_provider(np, genpd_xlate_simple, genpd); @@ -2100,8 +2101,9 @@ int of_genpd_add_provider_onecell(struct device_node *np, if (genpd->set_performance_state) { ret = dev_pm_opp_of_add_table_indexed(&genpd->dev, i); if (ret) { - dev_err(&genpd->dev, "Failed to add OPP table for index %d: %d\n", - i, ret); + if (ret != -EPROBE_DEFER) + dev_err(&genpd->dev, "Failed to add OPP table for index %d: %d\n", + i, ret); goto error; } @@ -2110,7 +2112,7 @@ int of_genpd_add_provider_onecell(struct device_node *np, * performance state. */ genpd->opp_table = dev_pm_opp_get_opp_table_indexed(&genpd->dev, i); - WARN_ON(!genpd->opp_table); + WARN_ON(IS_ERR(genpd->opp_table)); } genpd->provider = &np->fwnode; diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 8143210a5c54..6f605f7820bb 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -291,8 +291,7 @@ static int rpm_get_suppliers(struct device *dev) device_links_read_lock_held()) { int retval; - if (!(link->flags & DL_FLAG_PM_RUNTIME) || - READ_ONCE(link->status) == DL_STATE_SUPPLIER_UNBIND) + if (!(link->flags & DL_FLAG_PM_RUNTIME)) continue; retval = pm_runtime_get_sync(link->supplier); @@ -312,8 +311,6 @@ static void rpm_put_suppliers(struct device *dev) list_for_each_entry_rcu(link, &dev->links.suppliers, c_node, device_links_read_lock_held()) { - if (READ_ONCE(link->status) == DL_STATE_SUPPLIER_UNBIND) - continue; while (refcount_dec_not_one(&link->rpm_active)) pm_runtime_put(link->supplier); |