ACPICA: Update error/debug messages for fixed events

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / acpi / acpica / evevent.c

diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c
index b8ea0b2..02219ff 100644 (file)
--- a/drivers/acpi/acpica/evevent.c
+++ b/drivers/acpi/acpica/evevent.c
@@ -257,6 +257,8 @@ u32 acpi_ev_fixed_event_detect(void)
  *
  * DESCRIPTION: Clears the status bit for the requested event, calls the
  *              handler that previously registered for the event.
+ *              NOTE: If there is no handler for the event, the event is
+ *              disabled to prevent futher interrupts.
  *
  ******************************************************************************/
 
@@ -271,17 +273,17 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event)
                                      status_register_id, ACPI_CLEAR_STATUS);
 
        /*
-        * Make sure we've got a handler. If not, report an error. The event is
-        * disabled to prevent further interrupts.
+        * Make sure that a handler exists. If not, report an error
+        * and disable the event to prevent further interrupts.
         */
-       if (NULL == acpi_gbl_fixed_event_handlers[event].handler) {
+       if (!acpi_gbl_fixed_event_handlers[event].handler) {
                (void)acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
                                              enable_register_id,
                                              ACPI_DISABLE_EVENT);
 
                ACPI_ERROR((AE_INFO,
-                           "No installed handler for fixed event [0x%08X]",
-                           event));
+                           "No installed handler for fixed event - %s (%u), disabling",
+                           acpi_ut_get_event_name(event), event));
 
                return (ACPI_INTERRUPT_NOT_HANDLED);
        }