s390/sclp: Define commands for storage (un)assignment

Replace immediate values with SCLP_CMDW_UN|ASSIGN_STORAGE defines.

Acked-by: Heiko Carstens <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexander Gordeev <[email protected]>
Signed-off-by: Vasily Gorbik <[email protected]>

Author: Alexander Gordeev

drivers/s390/char/sclp_cmd.c

@@ -31,6 +31,9 @@
 
 #include "sclp.h"
 
+#define SCLP_CMDW_ASSIGN_STORAGE	0x000d0001
+#define SCLP_CMDW_UNASSIGN_STORAGE	0x000c0001
+
 static void sclp_sync_callback(struct sclp_req *req, void *data)
 {
 	struct completion *completion = data;
@@ -225,7 +228,7 @@ static int sclp_assign_storage(u16 rn)
 	unsigned long long start;
 	int rc;
 
-	rc = do_assign_storage(0x000d0001, rn);
+	rc = do_assign_storage(SCLP_CMDW_ASSIGN_STORAGE, rn);
 	if (rc)
 		return rc;
 	start = rn2addr(rn);
@@ -235,7 +238,7 @@ static int sclp_assign_storage(u16 rn)
 
 static int sclp_unassign_storage(u16 rn)
 {
-	return do_assign_storage(0x000c0001, rn);
+	return do_assign_storage(SCLP_CMDW_UNASSIGN_STORAGE, rn);
 }
 
 struct attach_storage_sccb {