From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
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.wysocki@xxxxxxxxx>
---
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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