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-rw-r--r--arch/s390/include/asm/isc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/include/asm/isc.h b/arch/s390/include/asm/isc.h
index 34bb8916db4f..1420a1115948 100644
--- a/arch/s390/include/asm/isc.h
+++ b/arch/s390/include/asm/isc.h
@@ -17,6 +17,7 @@
#define CHSC_SCH_ISC 7 /* CHSC subchannels */
/* Adapter interrupts. */
#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */
+#define AP_ISC 6 /* adjunct processor (crypto) devices */
/* Functions for registration of I/O interruption subclasses */
void isc_register(unsigned int isc);