s390/ioasm: get rid of register asm

Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

diff --git a/drivers/s390/cio/ioasm.c b/drivers/s390/cio/ioasm.c
index 4c5244d6052b159d2c6b40d3438f8d45f7d54984..1c2866c66f0d9421d54cc0b0e8b2eb207f2dc103 100644 (file)
--- a/drivers/s390/cio/ioasm.c
+++ b/drivers/s390/cio/ioasm.c
@@ -16,18 +16,19 @@
 
 static inline int __stsch(struct subchannel_id schid, struct schib *addr)
 {
-       register struct subchannel_id reg1 asm ("1") = schid;
+       unsigned long r1 = *(unsigned int *)&schid;
        int ccode = -EIO;
 
        asm volatile(
-               "       stsch   0(%3)\n"
-               "0:     ipm     %0\n"
-               "       srl     %0,28\n"
+               "       lgr     1,%[r1]\n"
+               "       stsch   %[addr]\n"
+               "0:     ipm     %[cc]\n"
+               "       srl     %[cc],28\n"
                "1:\n"
                EX_TABLE(0b, 1b)
-               : "+d" (ccode), "=m" (*addr)
-               : "d" (reg1), "a" (addr)
-               : "cc");
+               : [cc] "+&d" (ccode), [addr] "=Q" (*addr)
+               : [r1] "d" (r1)
+               : "cc", "1");
        return ccode;
 }
 
@@ -44,18 +45,19 @@ EXPORT_SYMBOL(stsch);
 
 static inline int __msch(struct subchannel_id schid, struct schib *addr)
 {
-       register struct subchannel_id reg1 asm ("1") = schid;
+       unsigned long r1 = *(unsigned int *)&schid;
        int ccode = -EIO;
 
        asm volatile(
-               "       msch    0(%2)\n"
-               "0:     ipm     %0\n"
-               "       srl     %0,28\n"
+               "       lgr     1,%[r1]\n"
+               "       msch    %[addr]\n"
+               "0:     ipm     %[cc]\n"
+               "       srl     %[cc],28\n"
                "1:\n"
                EX_TABLE(0b, 1b)
-               : "+d" (ccode)
-               : "d" (reg1), "a" (addr), "m" (*addr)
-               : "cc");
+               : [cc] "+&d" (ccode)
+               : [r1] "d" (r1), [addr] "Q" (*addr)
+               : "cc", "1");
        return ccode;
 }
 
@@ -71,16 +73,17 @@ int msch(struct subchannel_id schid, struct schib *addr)
 
 static inline int __tsch(struct subchannel_id schid, struct irb *addr)
 {
-       register struct subchannel_id reg1 asm ("1") = schid;
+       unsigned long r1 = *(unsigned int *)&schid;
        int ccode;
 
        asm volatile(
-               "       tsch    0(%3)\n"
-               "       ipm     %0\n"
-               "       srl     %0,28"
-               : "=d" (ccode), "=m" (*addr)
-               : "d" (reg1), "a" (addr)
-               : "cc");
+               "       lgr     1,%[r1]\n"
+               "       tsch    %[addr]\n"
+               "       ipm     %[cc]\n"
+               "       srl     %[cc],28"
+               : [cc] "=&d" (ccode), [addr] "=Q" (*addr)
+               : [r1] "d" (r1)
+               : "cc", "1");
        return ccode;
 }
 
@@ -96,18 +99,19 @@ int tsch(struct subchannel_id schid, struct irb *addr)
 
 static inline int __ssch(struct subchannel_id schid, union orb *addr)
 {
-       register struct subchannel_id reg1 asm("1") = schid;
+       unsigned long r1 = *(unsigned int *)&schid;
        int ccode = -EIO;
 
        asm volatile(
-               "       ssch    0(%2)\n"
-               "0:     ipm     %0\n"
-               "       srl     %0,28\n"
+               "       lgr     1,%[r1]\n"
+               "       ssch    %[addr]\n"
+               "0:     ipm     %[cc]\n"
+               "       srl     %[cc],28\n"
                "1:\n"
                EX_TABLE(0b, 1b)
-               : "+d" (ccode)
-               : "d" (reg1), "a" (addr), "m" (*addr)
-               : "cc", "memory");
+               : [cc] "+&d" (ccode)
+               : [r1] "d" (r1), [addr] "Q" (*addr)
+               : "cc", "memory", "1");
        return ccode;
 }
 
@@ -124,16 +128,17 @@ EXPORT_SYMBOL(ssch);
 
 static inline int __csch(struct subchannel_id schid)
 {
-       register struct subchannel_id reg1 asm("1") = schid;
+       unsigned long r1 = *(unsigned int *)&schid;
        int ccode;
 
        asm volatile(
+               "       lgr     1,%[r1]\n"
                "       csch\n"
-               "       ipm     %0\n"
-               "       srl     %0,28"
-               : "=d" (ccode)
-               : "d" (reg1)
-               : "cc");
+               "       ipm     %[cc]\n"
+               "       srl     %[cc],28\n"
+               : [cc] "=&d" (ccode)
+               : [r1] "d" (r1)
+               : "cc", "1");
        return ccode;
 }
 
@@ -186,17 +191,17 @@ EXPORT_SYMBOL(chsc);
 
 static inline int __rsch(struct subchannel_id schid)
 {
-       register struct subchannel_id reg1 asm("1") = schid;
+       unsigned long r1 = *(unsigned int *)&schid;
        int ccode;
 
        asm volatile(
+               "       lgr     1,%[r1]\n"
                "       rsch\n"
-               "       ipm     %0\n"
-               "       srl     %0,28"
-               : "=d" (ccode)
-               : "d" (reg1)
-               : "cc", "memory");
-
+               "       ipm     %[cc]\n"
+               "       srl     %[cc],28\n"
+               : [cc] "=&d" (ccode)
+               : [r1] "d" (r1)
+               : "cc", "memory", "1");
        return ccode;
 }
 
@@ -212,16 +217,17 @@ int rsch(struct subchannel_id schid)
 
 static inline int __hsch(struct subchannel_id schid)
 {
-       register struct subchannel_id reg1 asm("1") = schid;
+       unsigned long r1 = *(unsigned int *)&schid;
        int ccode;
 
        asm volatile(
+               "       lgr     1,%[r1]\n"
                "       hsch\n"
-               "       ipm     %0\n"
-               "       srl     %0,28"
-               : "=d" (ccode)
-               : "d" (reg1)
-               : "cc");
+               "       ipm     %[cc]\n"
+               "       srl     %[cc],28\n"
+               : [cc] "=&d" (ccode)
+               : [r1] "d" (r1)
+               : "cc", "1");
        return ccode;
 }
 
@@ -238,16 +244,17 @@ EXPORT_SYMBOL(hsch);
 
 static inline int __xsch(struct subchannel_id schid)
 {
-       register struct subchannel_id reg1 asm("1") = schid;
+       unsigned long r1 = *(unsigned int *)&schid;
        int ccode;
 
        asm volatile(
+               "       lgr     1,%[r1]\n"
                "       xsch\n"
-               "       ipm     %0\n"
-               "       srl     %0,28"
-               : "=d" (ccode)
-               : "d" (reg1)
-               : "cc");
+               "       ipm     %[cc]\n"
+               "       srl     %[cc],28\n"
+               : [cc] "=&d" (ccode)
+               : [r1] "d" (r1)
+               : "cc", "1");
        return ccode;
 }