The Kernel has mtd_read, mtd_write, mtd_erase and mtd_block_markbad. Add these functions to barebox aswell to make future mtd synchronizations with the kernel easier.
Signed-off-by: Sascha Hauer <[email protected]> --- drivers/mtd/core.c | 49 ++++++++++++++++++++++++++++++++++++++--------- include/linux/mtd/mtd.h | 7 +++++++ 2 files changed, 47 insertions(+), 9 deletions(-) diff --git a/drivers/mtd/core.c b/drivers/mtd/core.c index 40c522f..47c0226 100644 --- a/drivers/mtd/core.c +++ b/drivers/mtd/core.c @@ -30,15 +30,6 @@ static LIST_HEAD(mtd_register_hooks); -int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs) -{ - if (!mtd->block_isbad) - return 0; - if (ofs < 0 || ofs > mtd->size) - return -EINVAL; - return mtd->block_isbad(mtd, ofs); -} - static ssize_t mtd_op_read(struct cdev *cdev, void* buf, size_t count, loff_t _offset, ulong flags) { @@ -170,6 +161,46 @@ int mtd_ioctl(struct cdev *cdev, int request, void *buf) return ret; } +int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs) +{ + if (!mtd->block_isbad) + return 0; + + if (ofs < 0 || ofs > mtd->size) + return -EINVAL; + + return mtd->block_isbad(mtd, ofs); +} + +int mtd_block_markbad(struct mtd_info *mtd, loff_t ofs) +{ + int ret; + + if (mtd->block_markbad) + ret = mtd->block_markbad(mtd, ofs); + else + ret = -ENOSYS; + + return ret; +} + +int mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, + u_char *buf) +{ + return mtd->read(mtd, from, len, retlen, buf); +} + +int mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, + const u_char *buf) +{ + return mtd->write(mtd, to, len, retlen, buf); +} + +int mtd_erase(struct mtd_info *mtd, struct erase_info *instr) +{ + return mtd->erase(mtd, instr); +} + static struct file_operations mtd_ops = { .read = mtd_op_read, #ifdef CONFIG_MTD_WRITE diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index cb8b3bc..c1760de 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -207,6 +207,12 @@ struct mtd_info { char *size_str; }; +int mtd_erase(struct mtd_info *mtd, struct erase_info *instr); +int mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, + u_char *buf); +int mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, + const u_char *buf); + static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd) { do_div(sz, mtd->erasesize); @@ -252,6 +258,7 @@ static inline void mtd_erase_callback(struct erase_info *instr) #endif int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs); +int mtd_block_markbad(struct mtd_info *mtd, loff_t ofs); /* * Debugging macro and defines -- 1.7.10.4 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
