drivers/mtd/mtdcore.c

928 int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
931 	*retlen = 0;
941 	return mtd->_point(mtd, from, len, retlen, virt, phys);
975 int mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
979 	*retlen = 0;
991 		ret_code = mtd->_read(mtd, from, len, retlen, buf);
999 		*retlen = ops.retlen;
1012 int mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
1015 	*retlen = 0;
1032 		*retlen = ops.retlen;
1036 	return mtd->_write(mtd, to, len, retlen, buf);
1047 int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
1050 	*retlen = 0;
1059 	return mtd->_panic_write(mtd, to, len, retlen, buf);
1099 	ops->retlen = ops->oobretlen = 0;
1112 		ret_code = mtd->_read(mtd, from, ops->len, &ops->retlen,
1134 	ops->retlen = ops->oobretlen = 0;
1150 		return mtd->_write(mtd, to, ops->len, &ops->retlen,
1520 int mtd_get_fact_prot_info(struct mtd_info *mtd, size_t len, size_t *retlen,
1527 	return mtd->_get_fact_prot_info(mtd, len, retlen, buf);
1532 			   size_t *retlen, u_char *buf)
1534 	*retlen = 0;
1539 	return mtd->_read_fact_prot_reg(mtd, from, len, retlen, buf);
1543 int mtd_get_user_prot_info(struct mtd_info *mtd, size_t len, size_t *retlen,
1550 	return mtd->_get_user_prot_info(mtd, len, retlen, buf);
1555 			   size_t *retlen, u_char *buf)
1557 	*retlen = 0;
1562 	return mtd->_read_user_prot_reg(mtd, from, len, retlen, buf);
1567 			    size_t *retlen, u_char *buf)
1571 	*retlen = 0;
1576 	ret = mtd->_write_user_prot_reg(mtd, to, len, retlen, buf);
1584 	return (*retlen) ? 0 : -ENOSPC;
1674  * @retlen: on exit contains the count of bytes written to the MTD device.
1680 			      unsigned long count, loff_t to, size_t *retlen)
1696 	*retlen = totlen;
1706  * @retlen: on exit contains the count of bytes written to the MTD device.
1712 	       unsigned long count, loff_t to, size_t *retlen)
1714 	*retlen = 0;
1718 		return default_mtd_writev(mtd, vecs, count, to, retlen);
1719 	return mtd->_writev(mtd, vecs, count, to, retlen);