drivers/edac/edac_stub.c

   1 /*
   2  * common EDAC components that must be in kernel
   3  *
   4  * Author: Dave Jiang <djiang@mvista.com>
   5  *
   6  * 2007 (c) MontaVista Software, Inc. This file is licensed under
   7  * the terms of the GNU General Public License version 2. This program
   8  * is licensed "as is" without any warranty of any kind, whether express
   9  * or implied.
  10  *
  11  */
  12 #include <linux/module.h>
  13 #include <linux/edac.h>
  14 #include <asm/atomic.h>
  15 #include <asm/edac.h>
  16
  17 int edac_op_state = EDAC_OPSTATE_INVAL;
  18 EXPORT_SYMBOL(edac_op_state);
  19
  20 atomic_t edac_handlers = ATOMIC_INIT(0);
  21 EXPORT_SYMBOL(edac_handlers);
  22
  23 atomic_t edac_err_assert = ATOMIC_INIT(0);
  24 EXPORT_SYMBOL(edac_err_assert);
  25
  26 inline int edac_handler_set(void)
  27 {
  28         if (edac_op_state == EDAC_OPSTATE_POLL)
  29                 return 0;
  30
  31         return atomic_read(&edac_handlers);
  32 }
  33 EXPORT_SYMBOL(edac_handler_set);
  34
  35 /*
  36  * handler for NMI type of interrupts to assert error
  37  */
  38 inline void edac_atomic_assert_error(void)
  39 {
  40         atomic_set(&edac_err_assert, 1);
  41 }
  42 EXPORT_SYMBOL(edac_atomic_assert_error);