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ACPI / PM: Add debug statements to acpi_pm_notify_handler() 

Add statements to trace invocations of the ACPI PM notify handler
and the work functions called by it.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2017-08-11 01:32:40 +02:00
parent 7db8d1d904
commit 020a637567
1 changed files with 7 additions and 1 deletions
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8
drivers/acpi/device_pm.c
View File

@ -401,6 +401,8 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used)
if (val != ACPI_NOTIFY_DEVICE_WAKE)
return;
acpi_handle_debug(handle, "Wake notify\n");
adev = acpi_bus_get_acpi_device(handle);
if (!adev)
return;
@ -409,8 +411,12 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used)
if (adev->wakeup.flags.notifier_present) {
pm_wakeup_ws_event(adev->wakeup.ws, 0, acpi_s2idle_wakeup());
if (adev->wakeup.context.func)
if (adev->wakeup.context.func) {
acpi_handle_debug(handle, "Running %pF for %s\n",
adev->wakeup.context.func,
dev_name(adev->wakeup.context.dev));
adev->wakeup.context.func(&adev->wakeup.context);
}
}
mutex_unlock(&acpi_pm_notifier_lock);