diff options
| -rw-r--r-- | drivers/acpi/sleep.c | 3 | ||||
| -rw-r--r-- | drivers/acpi/x86/s2idle.c | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 974746e6e59d..ad4b2987b3d6 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -824,6 +824,9 @@ static const struct platform_s2idle_ops acpi_s2idle_ops = { void __weak acpi_s2idle_setup(void) { + if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) + pr_info("Efficient low-power S0 idle declared\n"); + s2idle_set_ops(&acpi_s2idle_ops); } diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index c1e5c3de59f0..f9ac12b778e6 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -423,8 +423,10 @@ static int lps0_device_attach(struct acpi_device *adev, * line. */ if ((acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) && - mem_sleep_default > PM_SUSPEND_MEM && !acpi_sleep_default_s3) + mem_sleep_default > PM_SUSPEND_MEM && !acpi_sleep_default_s3) { mem_sleep_current = PM_SUSPEND_TO_IDLE; + pr_info("Low-power S0 idle used by default for system suspend\n"); + } /* * Some LPS0 systems, like ASUS Zenbook UX430UNR/i7-8550U, require the |