ACPI: PM: Print debug messages when enabling GPEs for wakeup
diff mbox series

Message ID 3571352.AeSAkbixj6@aspire.rjw.lan
State Accepted, archived
Delegated to: Rafael Wysocki
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Series
  • ACPI: PM: Print debug messages when enabling GPEs for wakeup
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Commit Message

Rafael J. Wysocki April 3, 2019, 9:58 p.m. UTC
From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

In sufficiently complicated GPE configurations it is hard to
determine which GPE could be the source of system wakeup from a sleep
state, so make __acpi_device_wakeup_enable() print that information
to the kernel log if debugging is enabled.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/acpi/device_pm.c |    3 +++
 1 file changed, 3 insertions(+)

Patch
diff mbox series

Index: linux-pm/drivers/acpi/device_pm.c
===================================================================
--- linux-pm.orig/drivers/acpi/device_pm.c
+++ linux-pm/drivers/acpi/device_pm.c
@@ -728,6 +728,9 @@  static int __acpi_device_wakeup_enable(s
 		goto out;
 	}
 
+	acpi_handle_debug(adev->handle, "GPE%2X enabled for wakeup\n",
+			  (unsigned int)wakeup->gpe_number);
+
 inc:
 	wakeup->enable_count++;