6d9434ebb7
This commit adds simple helpers to obtain the devicetree properties that specify the ECC strength and ECC step size to use on a given NAND controller. Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
50 lines
1 KiB
C
50 lines
1 KiB
C
/*
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* Copyright 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*
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* OF helpers for mtd.
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*
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* This file is released under the GPLv2
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*/
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#ifndef __LINUX_OF_MTD_H
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#define __LINUX_OF_MTD_H
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#ifdef CONFIG_OF_MTD
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#include <linux/of.h>
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int of_get_nand_ecc_mode(struct device_node *np);
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int of_get_nand_ecc_step_size(struct device_node *np);
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int of_get_nand_ecc_strength(struct device_node *np);
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int of_get_nand_bus_width(struct device_node *np);
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bool of_get_nand_on_flash_bbt(struct device_node *np);
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#else /* CONFIG_OF_MTD */
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static inline int of_get_nand_ecc_mode(struct device_node *np)
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{
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return -ENOSYS;
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}
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static inline int of_get_nand_ecc_step_size(struct device_node *np)
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{
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return -ENOSYS;
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}
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static inline int of_get_nand_ecc_strength(struct device_node *np)
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{
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return -ENOSYS;
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}
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static inline int of_get_nand_bus_width(struct device_node *np)
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{
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return -ENOSYS;
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}
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static inline bool of_get_nand_on_flash_bbt(struct device_node *np)
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{
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return false;
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}
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#endif /* CONFIG_OF_MTD */
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#endif /* __LINUX_OF_MTD_H */
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