1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h
index ad6d82940069..7153dd959082 100644
--- a/drivers/s390/cio/ioasm.h
+++ b/drivers/s390/cio/ioasm.h
@@ -1,6 +1,7 @@
 #ifndef S390_CIO_IOASM_H
 #define S390_CIO_IOASM_H
 
+#include <asm/chpid.h>
 #include "schid.h"
 
 /*
@@ -189,9 +190,9 @@ static inline int chsc(void *chsc_area)
         return cc;
 }
 
-static inline int rchp(int chpid)
+static inline int rchp(struct chp_id chpid)
 {
-        register unsigned int reg1 asm ("1") = chpid;
+        register struct chp_id reg1 asm ("1") = chpid;
         int ccode;
 
         asm volatile(