2 files changed, 2 insertions, 0 deletions

diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index 082ef0cce287..d52533df6ac8 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -18,6 +18,7 @@ enum interruption_class {
         IOINT_QAI,
         IOINT_QDI,
         IOINT_DAS,
+        IOINT_C15,
         NMI_NMI,
         NR_IRQS,
 };
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 313fe83a443a..e7914e4adc48 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -35,6 +35,7 @@ static const struct irq_class intrclass_names[] = {
         {.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt" },
         {.name = "QDI", .desc = "[I/O] QDIO Interrupt" },
         {.name = "DAS", .desc = "[I/O] DASD" },
+        {.name = "C15", .desc = "[I/O] 3215" },
         {.name = "NMI", .desc = "[NMI] Machine Check" },
 };