mtd: introduce mtd_write_user_prot_reg interface
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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4ea1cabb92
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482b43adbb
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@ -314,7 +314,8 @@ static ssize_t mtdchar_write(struct file *file, const char __user *buf, size_t c
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ret = -EOPNOTSUPP;
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ret = -EOPNOTSUPP;
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break;
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break;
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}
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}
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ret = mtd->write_user_prot_reg(mtd, *ppos, len, &retlen, kbuf);
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ret = mtd_write_user_prot_reg(mtd, *ppos, len,
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&retlen, kbuf);
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break;
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break;
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case MTD_FILE_MODE_RAW:
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case MTD_FILE_MODE_RAW:
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@ -222,8 +222,7 @@ static int part_write_user_prot_reg(struct mtd_info *mtd, loff_t from,
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size_t len, size_t *retlen, u_char *buf)
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size_t len, size_t *retlen, u_char *buf)
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{
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{
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struct mtd_part *part = PART(mtd);
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struct mtd_part *part = PART(mtd);
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return part->master->write_user_prot_reg(part->master, from,
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return mtd_write_user_prot_reg(part->master, from, len, retlen, buf);
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len, retlen, buf);
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}
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}
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static int part_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,
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static int part_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,
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@ -200,13 +200,14 @@ struct mtd_info {
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size_t len);
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size_t len);
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int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from,
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int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from,
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size_t len, size_t *retlen, u_char *buf);
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size_t len, size_t *retlen, u_char *buf);
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int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t to, size_t len,
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size_t *retlen, u_char *buf);
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/* Backing device capabilities for this device
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/* Backing device capabilities for this device
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* - provides mmap capabilities
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* - provides mmap capabilities
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*/
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*/
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struct backing_dev_info *backing_dev_info;
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struct backing_dev_info *backing_dev_info;
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int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
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int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len);
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int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len);
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/* kvec-based read/write methods.
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/* kvec-based read/write methods.
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@ -361,6 +362,13 @@ static inline int mtd_read_user_prot_reg(struct mtd_info *mtd, loff_t from,
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return mtd->read_user_prot_reg(mtd, from, len, retlen, buf);
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return mtd->read_user_prot_reg(mtd, from, len, retlen, buf);
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}
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}
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static inline int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to,
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size_t len, size_t *retlen,
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u_char *buf)
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{
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return mtd->write_user_prot_reg(mtd, to, len, retlen, buf);
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}
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static inline struct mtd_info *dev_to_mtd(struct device *dev)
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static inline struct mtd_info *dev_to_mtd(struct device *dev)
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{
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{
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return dev ? dev_get_drvdata(dev) : NULL;
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return dev ? dev_get_drvdata(dev) : NULL;
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