diff options
Diffstat (limited to 'kernel/include/linux/of_mtd.h')
| -rw-r--r-- | kernel/include/linux/of_mtd.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/kernel/include/linux/of_mtd.h b/kernel/include/linux/of_mtd.h new file mode 100644 index 000000000..e266caa36 --- /dev/null +++ b/kernel/include/linux/of_mtd.h @@ -0,0 +1,50 @@ +/* + * Copyright 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + * + * OF helpers for mtd. + * + * This file is released under the GPLv2 + */ + +#ifndef __LINUX_OF_MTD_H +#define __LINUX_OF_MTD_H + +#ifdef CONFIG_OF_MTD + +#include <linux/of.h> +int of_get_nand_ecc_mode(struct device_node *np); +int of_get_nand_ecc_step_size(struct device_node *np); +int of_get_nand_ecc_strength(struct device_node *np); +int of_get_nand_bus_width(struct device_node *np); +bool of_get_nand_on_flash_bbt(struct device_node *np); + +#else /* CONFIG_OF_MTD */ + +static inline int of_get_nand_ecc_mode(struct device_node *np) +{ + return -ENOSYS; +} + +static inline int of_get_nand_ecc_step_size(struct device_node *np) +{ + return -ENOSYS; +} + +static inline int of_get_nand_ecc_strength(struct device_node *np) +{ + return -ENOSYS; +} + +static inline int of_get_nand_bus_width(struct device_node *np) +{ + return -ENOSYS; +} + +static inline bool of_get_nand_on_flash_bbt(struct device_node *np) +{ + return false; +} + +#endif /* CONFIG_OF_MTD */ + +#endif /* __LINUX_OF_MTD_H */ |