From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Make acpi_s2idle_wake() print an additional debug message when the SCI is going to be rearmed for system wakeup to help diagnose wakeup-related issues. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> --- drivers/acpi/sleep.c | 2 ++ 1 file changed, 2 insertions(+) Index: linux-pm/drivers/acpi/sleep.c =================================================================== --- linux-pm.orig/drivers/acpi/sleep.c +++ linux-pm/drivers/acpi/sleep.c @@ -764,6 +764,8 @@ bool acpi_s2idle_wake(void) return true; } + pm_pr_dbg("Rearming ACPI SCI for wakeup\n"); + rearm_wake_irq(acpi_sci_irq); }