include/linux/of_mtd.h

   1 /*
   2  * Copyright 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   3  *
   4  * OF helpers for mtd.
   5  *
   6  * This file is released under the GPLv2
   7  */
   8
   9 #ifndef __LINUX_OF_MTD_H
  10 #define __LINUX_OF_MTD_H
  11
  12 #ifdef CONFIG_OF_MTD
  13
  14 #include <linux/of.h>
  15 int of_get_nand_ecc_mode(struct device_node *np);
  16 int of_get_nand_ecc_step_size(struct device_node *np);
  17 int of_get_nand_ecc_strength(struct device_node *np);
  18 int of_get_nand_bus_width(struct device_node *np);
  19 bool of_get_nand_on_flash_bbt(struct device_node *np);
  20
  21 #else /* CONFIG_OF_MTD */
  22
  23 static inline int of_get_nand_ecc_mode(struct device_node *np)
  24 {
  25         return -ENOSYS;
  26 }
  27
  28 static inline int of_get_nand_ecc_step_size(struct device_node *np)
  29 {
  30         return -ENOSYS;
  31 }
  32
  33 static inline int of_get_nand_ecc_strength(struct device_node *np)
  34 {
  35         return -ENOSYS;
  36 }
  37
  38 static inline int of_get_nand_bus_width(struct device_node *np)
  39 {
  40         return -ENOSYS;
  41 }
  42
  43 static inline bool of_get_nand_on_flash_bbt(struct device_node *np)
  44 {
  45         return false;
  46 }
  47
  48 #endif /* CONFIG_OF_MTD */
  49
  50 #endif /* __LINUX_OF_MTD_H */