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5042 stop using deprecated atomic functions

@@ -21,12 +21,10 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/cmn_err.h>
 #include <sys/mutex.h>
 #include <sys/systm.h>

@@ -271,11 +269,11 @@
                          * preemption and see if we should sleep.  If we are
                          * already the lock holder, remove the effect of the
                          * previous kpreempt_disable() before returning since
                          * preemption was disabled by an earlier kern_preprom.
                          */
-                        prcp = casptr((void *)&prom_cpu, NULL, cp);
+                        prcp = atomic_cas_ptr((void *)&prom_cpu, NULL, cp);
                         if (prcp == NULL ||
                             (prcp == cp && prom_thread == curthread)) {
                                 if (prcp == cp)
                                         kpreempt_enable();
                                 break;

@@ -308,11 +306,11 @@
                         /*
                          * If we are not yet mutex_ready, just attempt to grab
                          * the lock.  If we get it or already hold it, break.
                          */
                         ASSERT(getpil() == PIL_MAX);
-                        prcp = casptr((void *)&prom_cpu, NULL, cp);
+                        prcp = atomic_cas_ptr((void *)&prom_cpu, NULL, cp);
                         if (prcp == NULL || prcp == cp)
                                 break;
                 }
         }