ACPICA: Add acpi_gpe_count global to track the number of GPE events

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/events/evgpe.c

@@ -618,6 +618,8 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
 
 	ACPI_FUNCTION_TRACE(ev_gpe_dispatch);
 
+	acpi_gpe_count++;
+
 	/*
 	 * If edge-triggered, clear the GPE status bit now.  Note that
 	 * level-triggered events are cleared after the GPE is serviced.

drivers/acpi/utilities/utglobal.c

@@ -720,6 +720,7 @@ void acpi_ut_init_globals(void)
 
 	/* GPE support */
 
+	acpi_gpe_count = 0;
 	acpi_gbl_gpe_xrupt_list_head = NULL;
 	acpi_gbl_gpe_fadt_blocks[0] = NULL;
 	acpi_gbl_gpe_fadt_blocks[1] = NULL;
@@ -779,3 +780,4 @@ void acpi_ut_init_globals(void)
 
 ACPI_EXPORT_SYMBOL(acpi_dbg_level)
 ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
+ACPI_EXPORT_SYMBOL(acpi_gpe_count)

include/acpi/acglobal.h

@@ -80,6 +80,10 @@ extern u32 acpi_dbg_layer;
 
 extern u32 acpi_gbl_nesting_level;
 
+/* Event counters */
+
+ACPI_EXTERN u32 acpi_gpe_count;
+
 /* Support for dynamic control method tracing mechanism */
 
 ACPI_EXTERN u32 acpi_gbl_original_dbg_level;