mtd_write_user_prot_reg 265 drivers/mtd/mtdchar.c ret = mtd_write_user_prot_reg(mtd, *ppos, len, mtd_write_user_prot_reg 1729 drivers/mtd/mtdcore.c EXPORT_SYMBOL_GPL(mtd_write_user_prot_reg); mtd_write_user_prot_reg 433 include/linux/mtd/mtd.h int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to, size_t len,