From: Bean Huo <[email protected]> This patch file is to add support for multi-plane page program hook in mtd_info, callback this in one new inline function mtd_write_dual_plane_oob.
Signed-off-by: BeanHuo <[email protected]> --- include/linux/mtd/mtd.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index f17fa75..cfcb3a68 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -204,6 +204,9 @@ struct mtd_info { struct mtd_oob_ops *ops); int (*_write_oob) (struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops); + int (*_dual_plane_write_oob) (struct mtd_info *mtd, loff_t to_plane0, + struct mtd_oob_ops *ops_plane0, loff_t to_plane1, + struct mtd_oob_ops *ops_plane1); int (*_get_fact_prot_info) (struct mtd_info *mtd, size_t len, size_t *retlen, struct otp_info *buf); int (*_read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, @@ -280,6 +283,22 @@ static inline int mtd_write_oob(struct mtd_info *mtd, loff_t to, return mtd->_write_oob(mtd, to, ops); } +static inline int mtd_write_dual_plane_oob(struct mtd_info *mtd, + loff_t to_plane0, struct mtd_oob_ops *ops0, loff_t to_plane1, + struct mtd_oob_ops *ops1) +{ + ops0->retlen = ops0->oobretlen = 0; + ops1->retlen = ops1->oobretlen = 0; + + if (!mtd->_dual_plane_write_oob) + return -EOPNOTSUPP; + if (!(mtd->flags & MTD_WRITEABLE)) + return -EROFS; + + return mtd->_dual_plane_write_oob(mtd, to_plane0, ops0, + to_plane1, ops1); +} + int mtd_get_fact_prot_info(struct mtd_info *mtd, size_t len, size_t *retlen, struct otp_info *buf); int mtd_read_fact_prot_reg(struct mtd_info *mtd, loff_t from, size_t len, -- 1.9.1
