diff options
Diffstat (limited to 'drivers/acpi/sleep.c')
| -rw-r--r-- | drivers/acpi/sleep.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index b718806657cd..b0f6c4a2a119 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -807,7 +807,12 @@ int __init acpi_sleep_init(void) acpi_sleep_hibernate_setup(); status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b); - if (ACPI_SUCCESS(status)) { + /* + * Check both ACPI S5 object and ACPI sleep registers to + * install pm_power_off_prepare/pm_power_off hook + */ + if (ACPI_SUCCESS(status) && acpi_gbl_FADT.sleep_control.address + && acpi_gbl_FADT.sleep_status.address) { sleep_states[ACPI_STATE_S5] = 1; pm_power_off_prepare = acpi_power_off_prepare; pm_power_off = acpi_power_off; |