[S390] tape: add support for irq statistics

Add support for ccw based tape 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 65e63c02b0f9..6986343a566f 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -20,6 +20,7 @@ enum interruption_class {
         IOINT_DAS,
         IOINT_C15,
         IOINT_C70,
+        IOINT_TAP,
         NMI_NMI,
         NR_IRQS,
 };
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 8c241416576f..5d7b6fbb3c13 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -37,6 +37,7 @@ static const struct irq_class intrclass_names[] = {
         {.name = "DAS", .desc = "[I/O] DASD" },
         {.name = "C15", .desc = "[I/O] 3215" },
         {.name = "C70", .desc = "[I/O] 3270" },
+        {.name = "TAP", .desc = "[I/O] Tape" },
         {.name = "NMI", .desc = "[NMI] Machine Check" },
 };