[S390] 3270: add support for irq statistics
Add support for 3270 I/O interrupt statistics in /proc/interrupts.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 2a4c566..96ba2fd 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -7,6 +7,7 @@
* Copyright IBM Corp. 2003, 2009
*/
+#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/init.h>
@@ -329,6 +330,7 @@
struct raw3270_request *rq;
int rc;
+ kstat_cpu(smp_processor_id()).irqs[IOINT_C70]++;
rp = dev_get_drvdata(&cdev->dev);
if (!rp)
return;