diff options
| -rw-r--r-- | drivers/acpi/processor_idle.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 32003fdc91e8..1f022b0846d4 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -1420,6 +1420,14 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, return 0; local_irq_disable(); + + /* Do not access any ACPI IO ports in suspend path */ + if (acpi_idle_suspend) { + acpi_safe_halt(); + local_irq_enable(); + return 0; + } + if (pr->flags.bm_check) acpi_idle_update_bm_rld(pr, cx); |