From: Rafael J. Wysocki <rafael.j.wyso...@intel.com>

It sometimes is useful to examine the timing of ACPI events during
certain operations only, like during system suspend/resume, so add
pr_debug() statements for that to acpi_global_event_handler().

Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
---
 drivers/acpi/sysfs.c |   12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

Index: linux-pm/drivers/acpi/sysfs.c
===================================================================
--- linux-pm.orig/drivers/acpi/sysfs.c
+++ linux-pm/drivers/acpi/sysfs.c
@@ -2,6 +2,8 @@
  * sysfs.c - ACPI sysfs interface to userspace.
  */
 
+#define pr_fmt(fmt) "ACPI: " fmt
+
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/moduleparam.h>
@@ -552,11 +554,15 @@ static void fixed_event_count(u32 event_
 static void acpi_global_event_handler(u32 event_type, acpi_handle device,
        u32 event_number, void *context)
 {
-       if (event_type == ACPI_EVENT_TYPE_GPE)
+       if (event_type == ACPI_EVENT_TYPE_GPE) {
                gpe_count(event_number);
-
-       if (event_type == ACPI_EVENT_TYPE_FIXED)
+               pr_debug("GPE event 0x%02x\n", event_number);
+       } else if (event_type == ACPI_EVENT_TYPE_FIXED) {
                fixed_event_count(event_number);
+               pr_debug("Fixed event 0x%02x\n", event_number);
+       } else {
+               pr_debug("Other event 0x%02x\n", event_number);
+       }
 }
 
 static int get_status(u32 index, acpi_event_status *status,


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