[S390] claw: add support for irq statistics

Add support for CLAW 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 6a455b8ea18b..2d5943c1c6a1 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -23,6 +23,7 @@ enum interruption_class {
         IOINT_TAP,
         IOINT_VMR,
         IOINT_LCS,
+        IOINT_CLW,
         NMI_NMI,
         NR_IRQS,
 };
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 4c6e071b7f92..406b539f61a9 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -40,6 +40,7 @@ static const struct irq_class intrclass_names[] = {
         {.name = "TAP", .desc = "[I/O] Tape" },
         {.name = "VMR", .desc = "[I/O] Unit Record Devices" },
         {.name = "LCS", .desc = "[I/O] LCS" },
+        {.name = "CLW", .desc = "[I/O] CLAW" },
         {.name = "NMI", .desc = "[NMI] Machine Check" },
 };