/drivers/edac/edac_stub.c

https://bitbucket.org/cresqo/cm7-p500-kernel · C · 46 lines · 22 code · 6 blank · 18 comment · 2 complexity · 54353b49308fa46335182285c5155849 MD5 · raw file 

    

  1. /*
    2. 

  2.  * common EDAC components that must be in kernel
    3. 

  3.  *
    4. 

  4.  * Author: Dave Jiang <djiang@mvista.com>
    5. 

  5.  *
    6. 

  6.  * 2007 (c) MontaVista Software, Inc. This file is licensed under
    7. 

  7.  * the terms of the GNU General Public License version 2. This program
    8. 

  8.  * is licensed "as is" without any warranty of any kind, whether express
    9. 

  9.  * or implied.
    10. 

  10.  *
    11. 

  11.  */
    12. 

  12. #include <linux/module.h>
    13. 

  13. #include <linux/edac.h>
    14. 

  14. #include <asm/atomic.h>
    15. 

  15. #include <asm/edac.h>
    16. 

  16. 

  17. int edac_op_state = EDAC_OPSTATE_INVAL;
    18. 

  18. EXPORT_SYMBOL_GPL(edac_op_state);
    19. 

  19. 

  20. atomic_t edac_handlers = ATOMIC_INIT(0);
    21. 

  21. EXPORT_SYMBOL_GPL(edac_handlers);
    22. 

  22. 

  23. int edac_err_assert = 0;
    24. 

  24. EXPORT_SYMBOL_GPL(edac_err_assert);
    25. 

  25. 

  26. /*
    27. 

  27.  * called to determine if there is an EDAC driver interested in
    28. 

  28.  * knowing an event (such as NMI) occurred
    29. 

  29.  */
    30. 

  30. int edac_handler_set(void)
    31. 

  31. {
    32. 

  32. 	if (edac_op_state == EDAC_OPSTATE_POLL)
    33. 

  33. 		return 0;
    34. 

  34. 

  35. 	return atomic_read(&edac_handlers);
    36. 

  36. }
    37. 

  37. EXPORT_SYMBOL_GPL(edac_handler_set);
    38. 

  38. 

  39. /*
    40. 

  40.  * handler for NMI type of interrupts to assert error
    41. 

  41.  */
    42. 

  42. void edac_atomic_assert_error(void)
    43. 

  43. {
    44. 

  44. 	edac_err_assert++;
    45. 

  45. }
    46. 

  46. EXPORT_SYMBOL_GPL(edac_atomic_assert_error);
    47.