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Merge back ACPI processor driver changes for 6.19

This commit is contained in:
Rafael J. Wysocki 2025-11-28 12:59:01 +01:00
parent fbf04215d9 17e7972979
commit 9fac2a114b
2 changed files with 17 additions and 27 deletions
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2
drivers/acpi/processor_core.c
View File

@ -54,7 +54,7 @@ static int map_x2apic_id(struct acpi_subtable_header *entry,
if (!(apic->lapic_flags & ACPI_MADT_ENABLED))
return -ENODEV;
if (device_declaration && (apic->uid == acpi_id)) {
if (apic->uid == acpi_id && (device_declaration || acpi_id < 255)) {
*apic_id = apic->local_apic_id;
return 0;
}

42
drivers/acpi/processor_idle.c
View File

@ -732,18 +732,16 @@ static int __cpuidle acpi_idle_enter_s2idle(struct cpuidle_device *dev,
return 0;
}
static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr,
struct cpuidle_device *dev)
static void acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr,
struct cpuidle_device *dev)
{
int i, count = ACPI_IDLE_STATE_START;
struct acpi_processor_cx *cx;
struct cpuidle_state *state;
if (max_cstate == 0)
max_cstate = 1;
for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) {
state = &acpi_idle_driver.states[count];
cx = &pr->power.states[i];
if (!cx->valid)
@ -751,27 +749,13 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr,
per_cpu(acpi_cstate[count], dev->cpu) = cx;
if (lapic_timer_needs_broadcast(pr, cx))
state->flags |= CPUIDLE_FLAG_TIMER_STOP;
if (cx->type == ACPI_STATE_C3) {
state->flags |= CPUIDLE_FLAG_TLB_FLUSHED;
if (pr->flags.bm_check)
state->flags |= CPUIDLE_FLAG_RCU_IDLE;
}
count++;
if (count == CPUIDLE_STATE_MAX)
break;
}
if (!count)
return -EINVAL;
return 0;
}
static int acpi_processor_setup_cstates(struct acpi_processor *pr)
static void acpi_processor_setup_cstates(struct acpi_processor *pr)
{
int i, count;
struct acpi_processor_cx *cx;
@ -818,17 +802,21 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr)
if (cx->type != ACPI_STATE_C1 && !acpi_idle_fallback_to_c1(pr))
state->enter_s2idle = acpi_idle_enter_s2idle;
if (lapic_timer_needs_broadcast(pr, cx))
state->flags |= CPUIDLE_FLAG_TIMER_STOP;
if (cx->type == ACPI_STATE_C3) {
state->flags |= CPUIDLE_FLAG_TLB_FLUSHED;
if (pr->flags.bm_check)
state->flags |= CPUIDLE_FLAG_RCU_IDLE;
}
count++;
if (count == CPUIDLE_STATE_MAX)
break;
}
drv->state_count = count;
if (!count)
return -EINVAL;
return 0;
}
static inline void acpi_processor_cstate_first_run_checks(void)
@ -1243,7 +1231,8 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
if (pr->flags.has_lpi)
return acpi_processor_setup_lpi_states(pr);
return acpi_processor_setup_cstates(pr);
acpi_processor_setup_cstates(pr);
return 0;
}
/**
@ -1263,7 +1252,8 @@ static int acpi_processor_setup_cpuidle_dev(struct acpi_processor *pr,
if (pr->flags.has_lpi)
return acpi_processor_ffh_lpi_probe(pr->id);
return acpi_processor_setup_cpuidle_cx(pr, dev);
acpi_processor_setup_cpuidle_cx(pr, dev);
return 0;
}
static int acpi_processor_get_power_info(struct acpi_processor *pr)