diff options
Diffstat (limited to 'drivers/acpi/sleep.c')
| -rw-r--r-- | drivers/acpi/sleep.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 3023224515ab..eaa47753b758 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -815,14 +815,18 @@ void __weak acpi_s2idle_setup(void) static void acpi_sleep_suspend_setup(void) { + bool suspend_ops_needed = false; int i; for (i = ACPI_STATE_S1; i < ACPI_STATE_S4; i++) - if (acpi_sleep_state_supported(i)) + if (acpi_sleep_state_supported(i)) { sleep_states[i] = 1; + suspend_ops_needed = true; + } - suspend_set_ops(old_suspend_ordering ? - &acpi_suspend_ops_old : &acpi_suspend_ops); + if (suspend_ops_needed) + suspend_set_ops(old_suspend_ordering ? + &acpi_suspend_ops_old : &acpi_suspend_ops); acpi_s2idle_setup(); } |