[S390] ctc: add support for irq statistics

Add support for CTC 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>

2 files changed, 2 insertions, 0 deletions

diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index 2d5943c1c6a1..8c79f9400a36 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -24,6 +24,7 @@ enum interruption_class {
         IOINT_VMR,
         IOINT_LCS,
         IOINT_CLW,
+        IOINT_CTC,
         NMI_NMI,
         NR_IRQS,
 };
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 406b539f61a9..57ed2b55c2a1 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -41,6 +41,7 @@ static const struct irq_class intrclass_names[] = {
         {.name = "VMR", .desc = "[I/O] Unit Record Devices" },
         {.name = "LCS", .desc = "[I/O] LCS" },
         {.name = "CLW", .desc = "[I/O] CLAW" },
+        {.name = "CTC", .desc = "[I/O] CTC" },
         {.name = "NMI", .desc = "[NMI] Machine Check" },
 };