[PATCH 2/2] ACPI / PM: Add debug statements to acpi_pm_notify_handler()
From: Rafael J. Wysocki <hidden>
Date: 2017-08-10 23:41:09
Also in:
linux-acpi, lkml
From: Rafael J. Wysocki <redacted> Add statements to trace invocations of the ACPI PM notify handler and the work functions called by it. Signed-off-by: Rafael J. Wysocki <redacted> --- drivers/acpi/device_pm.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) Index: linux-pm/drivers/acpi/device_pm.c ===================================================================
--- linux-pm.orig/drivers/acpi/device_pm.c
+++ linux-pm/drivers/acpi/device_pm.c@@ -401,6 +401,8 @@ static void acpi_pm_notify_handler(acpi_ 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_ 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);