ACPI: add /sys/firmware/acpi/interrupts/sci_not counter

This counter may prove useful in debugging some
spurious interrupt issues seen in the field.

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index d59f08ecaf16..d916bea729f1 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -353,8 +353,10 @@ static irqreturn_t acpi_irq(int irq, void *dev_id)
         if (handled) {
                 acpi_irq_handled++;
                 return IRQ_HANDLED;
-        } else
+        } else {
+                acpi_irq_not_handled++;
                 return IRQ_NONE;
+        }
 }
 
 acpi_status