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of_mtd.h

of_mtd.h 1.0 KB
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  1. /*
    2. 

  2.  * Copyright 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
    3. 

  3.  *
    4. 

  4.  * OF helpers for mtd.
    5. 

  5.  *
    6. 

  6.  * This file is released under the GPLv2
    7. 

  7.  */
    8. 

  8. 

  9. #ifndef __LINUX_OF_MTD_H
    10. 

  10. #define __LINUX_OF_MTD_H
    11. 

  11. 

  12. #ifdef CONFIG_OF_MTD
    13. 

  13. 

  14. #include <linux/of.h>
    15. 

  15. int of_get_nand_ecc_mode(struct device_node *np);
    16. 

  16. int of_get_nand_ecc_step_size(struct device_node *np);
    17. 

  17. int of_get_nand_ecc_strength(struct device_node *np);
    18. 

  18. int of_get_nand_bus_width(struct device_node *np);
    19. 

  19. bool of_get_nand_on_flash_bbt(struct device_node *np);
    20. 

  20. 

  21. #else /* CONFIG_OF_MTD */
    22. 

  22. 

  23. static inline int of_get_nand_ecc_mode(struct device_node *np)
    24. 

  24. {
    25. 

  25. 	return -ENOSYS;
    26. 

  26. }
    27. 

  27. 

  28. static inline int of_get_nand_ecc_step_size(struct device_node *np)
    29. 

  29. {
    30. 

  30. 	return -ENOSYS;
    31. 

  31. }
    32. 

  32. 

  33. static inline int of_get_nand_ecc_strength(struct device_node *np)
    34. 

  34. {
    35. 

  35. 	return -ENOSYS;
    36. 

  36. }
    37. 

  37. 

  38. static inline int of_get_nand_bus_width(struct device_node *np)
    39. 

  39. {
    40. 

  40. 	return -ENOSYS;
    41. 

  41. }
    42. 

  42. 

  43. static inline bool of_get_nand_on_flash_bbt(struct device_node *np)
    44. 

  44. {
    45. 

  45. 	return false;
    46. 

  46. }
    47. 

  47. 

  48. #endif /* CONFIG_OF_MTD */
    49. 

  49. 

  50. #endif /* __LINUX_OF_MTD_H */
    51.