Commit 3441362b authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

ACPI: PM: s2idle: Print type of wakeup debug messages 



Since acpi_s2idle_wake() knows the category of wakeup causing the
system to resume from suspend-to-idle, make it print a unique message
for each of them to help diagnose wakeup issues.

Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 9cb1fd0e

drivers/acpi/sleep.c

+15 −5
Original line number Diff line number Diff line
@@ -992,23 +992,31 @@ static bool acpi_s2idle_wake(void) 
		 * wakeup is pending anyway and the SCI is not the source of

		 * it).

		 */

		if (irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq)))

		if (irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq))) {

			pm_pr_dbg("Wakeup unrelated to ACPI SCI\n");

			return true;

		}



		/*

		 * If the status bit of any enabled fixed event is set, the

		 * wakeup is regarded as valid.

		 */

		if (acpi_any_fixed_event_status_set())

		if (acpi_any_fixed_event_status_set()) {

			pm_pr_dbg("ACPI fixed event wakeup\n");

			return true;

		}



		/* Check wakeups from drivers sharing the SCI. */

		if (acpi_check_wakeup_handlers())

		if (acpi_check_wakeup_handlers()) {

			pm_pr_dbg("ACPI custom handler wakeup\n");

			return true;

		}



		/* Check non-EC GPE wakeups and dispatch the EC GPE. */

		if (acpi_ec_dispatch_gpe())

		if (acpi_ec_dispatch_gpe()) {

			pm_pr_dbg("ACPI non-EC GPE wakeup\n");

			return true;

		}



		/*

		 * Cancel the SCI wakeup and process all pending events in case
@@ -1027,8 +1035,10 @@ static bool acpi_s2idle_wake(void) 
		 * are pending here, they must be resulting from the processing

		 * of EC events above or coming from somewhere else.

		 */

		if (pm_wakeup_pending())

		if (pm_wakeup_pending()) {

			pm_pr_dbg("Wakeup after ACPI Notify sync\n");

			return true;

		}



		rearm_wake_irq(acpi_sci_irq);

	}