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ACPI: Add debug statements to acpi_global_event_handler()

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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>
This commit is contained in:
Rafael J. Wysocki 2017-08-11 01:31:54 +02:00
parent a042e0c62b
commit 7db8d1d904
1 changed files with 9 additions and 3 deletions
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12
drivers/acpi/sysfs.c
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@ -2,6 +2,8 @@
* sysfs.c - ACPI sysfs interface to userspace. * sysfs.c - ACPI sysfs interface to userspace.
*/ */
#define pr_fmt(fmt) "ACPI: " fmt
#include <linux/init.h> #include <linux/init.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/moduleparam.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, static void acpi_global_event_handler(u32 event_type, acpi_handle device,
u32 event_number, void *context) u32 event_number, void *context)
{ {
if (event_type == ACPI_EVENT_TYPE_GPE) if (event_type == ACPI_EVENT_TYPE_GPE) {
gpe_count(event_number); gpe_count(event_number);
pr_debug("GPE event 0x%02x\n", event_number);
if (event_type == ACPI_EVENT_TYPE_FIXED) } else if (event_type == ACPI_EVENT_TYPE_FIXED) {
fixed_event_count(event_number); 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, static int get_status(u32 index, acpi_event_status *status,