5045 use atomic_{inc,dec}_* instead of atomic_add_*

*** 22,33 ****
  /*
   * Copyright 2006 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/conf.h>
  #include <sys/ddi.h>
  #include <sys/sunddi.h>
  #include <sys/ddi_impldefs.h>
--- 22,31 ----
*** 190,200 ****
          /* fill in all the test info details now */
          test->mem_info = mem_info;
          test->board = softsp->board;
          test->bank = pkt->bank;
          test->bufp = kmem_alloc(TEST_PAGESIZE, KM_SLEEP);
!         test->info.handle = atomic_add_32_nv(&mem_test_sequence_id, 1);
          (void) drv_getparm(PPID, (ulong_t *)(&(test->info.tester_pid)));
          test->info.prev_condition = mem_info->condition;
          test->info.page_size = TEST_PAGESIZE;
          /* If Blackbird ever gets a variable line size, this will change. */
          test->info.line_size = cpunodes[CPU->cpu_id].ecache_linesize;
--- 188,198 ----
          /* fill in all the test info details now */
          test->mem_info = mem_info;
          test->board = softsp->board;
          test->bank = pkt->bank;
          test->bufp = kmem_alloc(TEST_PAGESIZE, KM_SLEEP);
!         test->info.handle = atomic_inc_32_nv(&mem_test_sequence_id);
          (void) drv_getparm(PPID, (ulong_t *)(&(test->info.tester_pid)));
          test->info.prev_condition = mem_info->condition;
          test->info.page_size = TEST_PAGESIZE;
          /* If Blackbird ever gets a variable line size, this will change. */
          test->info.line_size = cpunodes[CPU->cpu_id].ecache_linesize;
*** 402,412 ****
                  AC_ERR_SET(pkt, AC_ERR_MEM_TEST);
                  return (EINVAL);
          }
  
          /* bump the busy bit */
!         atomic_add_32(&test->in_test, 1);
          mutex_exit(&test_mutex);
  
          /* verify the remaining parameters */
          if ((t_read.address.page_num >=
              test->info.bank_size / test->info.page_size) ||
--- 400,410 ----
                  AC_ERR_SET(pkt, AC_ERR_MEM_TEST);
                  return (EINVAL);
          }
  
          /* bump the busy bit */
!         atomic_inc_32(&test->in_test);
          mutex_exit(&test_mutex);
  
          /* verify the remaining parameters */
          if ((t_read.address.page_num >=
              test->info.bank_size / test->info.page_size) ||
*** 496,506 ****
              t_read.address.line_count * test->info.line_size, flag) != 0) {
                  retval = EFAULT;
          }
  
  read_done:
!         atomic_add_32(&test->in_test, -1);
          return (retval);
  }
  
  int
  ac_mem_test_write(ac_cfga_pkt_t *pkt, int flag)
--- 494,504 ----
              t_read.address.line_count * test->info.line_size, flag) != 0) {
                  retval = EFAULT;
          }
  
  read_done:
!         atomic_dec_32(&test->in_test);
          return (retval);
  }
  
  int
  ac_mem_test_write(ac_cfga_pkt_t *pkt, int flag)
*** 548,558 ****
                  mutex_exit(&test_mutex);
                  return (EINVAL);
          }
  
          /* bump the busy bit */
!         atomic_add_32(&test->in_test, 1);
          mutex_exit(&test_mutex);
  
          /* verify the remaining parameters */
          if ((t_write.address.page_num >=
              test->info.bank_size / test->info.page_size) ||
--- 546,556 ----
                  mutex_exit(&test_mutex);
                  return (EINVAL);
          }
  
          /* bump the busy bit */
!         atomic_inc_32(&test->in_test);
          mutex_exit(&test_mutex);
  
          /* verify the remaining parameters */
          if ((t_write.address.page_num >=
              test->info.bank_size / test->info.page_size) ||
*** 600,607 ****
  
          /* we're back! */
          kpreempt_enable();
  
  write_done:
!         atomic_add_32(&test->in_test, -1);
          return (retval);
  }
--- 598,605 ----
  
          /* we're back! */
          kpreempt_enable();
  
  write_done:
!         atomic_dec_32(&test->in_test);
          return (retval);
  }