diff options
| -rw-r--r-- | drivers/acpi/processor_idle.c | 9 | ||||
| -rw-r--r-- | drivers/cpuidle/driver.c | 2 | ||||
| -rw-r--r-- | drivers/cpuidle/poll_state.c | 3 | ||||
| -rw-r--r-- | drivers/idle/intel_idle.c | 1 | ||||
| -rw-r--r-- | include/linux/cpuidle.h | 4 |
5 files changed, 13 insertions, 6 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 39a01ea7a46d..df38e81cc672 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -842,7 +842,7 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr, static int acpi_processor_setup_cstates(struct acpi_processor *pr) { - int i, count = ACPI_IDLE_STATE_START; + int i, count; struct acpi_processor_cx *cx; struct cpuidle_state *state; struct cpuidle_driver *drv = &acpi_idle_driver; @@ -850,6 +850,13 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr) if (max_cstate == 0) max_cstate = 1; + if (IS_ENABLED(CONFIG_ARCH_HAS_CPU_RELAX)) { + cpuidle_poll_state_init(drv); + count = 1; + } else { + count = 0; + } + for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) { cx = &pr->power.states[i]; diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c index 6f694c86f3fa..dc32f34e68d9 100644 --- a/drivers/cpuidle/driver.c +++ b/drivers/cpuidle/driver.c @@ -216,8 +216,6 @@ static int __cpuidle_register_driver(struct cpuidle_driver *drv) on_each_cpu_mask(drv->cpumask, cpuidle_setup_broadcast_timer, (void *)1, 1); - poll_idle_init(drv); - return 0; } diff --git a/drivers/cpuidle/poll_state.c b/drivers/cpuidle/poll_state.c index 0db4f7273952..7416b16287de 100644 --- a/drivers/cpuidle/poll_state.c +++ b/drivers/cpuidle/poll_state.c @@ -21,7 +21,7 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, return index; } -void poll_idle_init(struct cpuidle_driver *drv) +void cpuidle_poll_state_init(struct cpuidle_driver *drv) { struct cpuidle_state *state = &drv->states[0]; @@ -34,3 +34,4 @@ void poll_idle_init(struct cpuidle_driver *drv) state->disabled = false; state->flags = CPUIDLE_FLAG_POLLING; } +EXPORT_SYMBOL_GPL(cpuidle_poll_state_init); diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index c2ae819a871c..7bf8739e33bc 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -1331,6 +1331,7 @@ static void __init intel_idle_cpuidle_driver_init(void) intel_idle_state_table_update(); + cpuidle_poll_state_init(drv); drv->state_count = 1; for (cstate = 0; cstate < CPUIDLE_STATE_MAX; ++cstate) { diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 561bc5365067..5baacd3a0559 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -226,9 +226,9 @@ static inline void cpuidle_coupled_parallel_barrier(struct cpuidle_device *dev, #endif #ifdef CONFIG_ARCH_HAS_CPU_RELAX -void poll_idle_init(struct cpuidle_driver *drv); +void cpuidle_poll_state_init(struct cpuidle_driver *drv); #else -static void poll_idle_init(struct cpuidle_driver *drv) {} +static inline void cpuidle_poll_state_init(struct cpuidle_driver *drv) {} #endif /****************************** |