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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-08-11 02:31:54 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-08-18 02:53:32 +0300
commit7db8d1d904e4b64d0d8e2bce75b59f59d445e1e2 (patch)
tree97221ca5f8506568897a85120e5707c78a3414bc /drivers/acpi
parenta042e0c62b38e7bb8b5edadc46c2ff23d1091111 (diff)
downloadlinux-7db8d1d904e4b64d0d8e2bce75b59f59d445e1e2.tar.xz
ACPI: Add debug statements to acpi_global_event_handler()
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@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/sysfs.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index e414fabf7315..32d7e43b64c4 100644
--- a/drivers/acpi/sysfs.c
+++ b/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_number)
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,