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ACPI: PM: Print debug messages when enabling GPEs for wakeup 

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>
This commit is contained in:
Rafael J. Wysocki 2019-04-03 23:58:01 +02:00
parent 15ade5d2e7
commit fbc9418f09
1 changed files with 3 additions and 0 deletions
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3
drivers/acpi/device_pm.c
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@ -728,6 +728,9 @@ static int __acpi_device_wakeup_enable(struct acpi_device *adev,
goto out;
}
acpi_handle_debug(adev->handle, "GPE%2X enabled for wakeup\n",
(unsigned int)wakeup->gpe_number);
inc:
wakeup->enable_count++;