diff options
Diffstat (limited to 'drivers/mtd/mtdcore.c')
| -rw-r--r-- | drivers/mtd/mtdcore.c | 33 |
1 files changed, 1 insertions, 32 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 9905870f56e5..16a952dd486a 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -47,6 +47,7 @@ int add_mtd_device(struct mtd_info *mtd) { int i; + BUG_ON(mtd->writesize == 0); mutex_lock(&mtd_table_mutex); for (i=0; i < MAX_MTD_DEVICES; i++) @@ -254,37 +255,6 @@ int default_mtd_writev(struct mtd_info *mtd, const struct kvec *vecs, return ret; } - -/* default_mtd_readv - default mtd readv method for MTD devices that dont - * implement their own - */ - -int default_mtd_readv(struct mtd_info *mtd, struct kvec *vecs, - unsigned long count, loff_t from, size_t *retlen) -{ - unsigned long i; - size_t totlen = 0, thislen; - int ret = 0; - - if(!mtd->read) { - ret = -EIO; - } else { - for (i=0; i<count; i++) { - if (!vecs[i].iov_len) - continue; - ret = mtd->read(mtd, from, vecs[i].iov_len, &thislen, vecs[i].iov_base); - totlen += thislen; - if (ret || thislen != vecs[i].iov_len) - break; - from += vecs[i].iov_len; - } - } - if (retlen) - *retlen = totlen; - return ret; -} - - EXPORT_SYMBOL(add_mtd_device); EXPORT_SYMBOL(del_mtd_device); EXPORT_SYMBOL(get_mtd_device); @@ -292,7 +262,6 @@ EXPORT_SYMBOL(put_mtd_device); EXPORT_SYMBOL(register_mtd_user); EXPORT_SYMBOL(unregister_mtd_user); EXPORT_SYMBOL(default_mtd_writev); -EXPORT_SYMBOL(default_mtd_readv); #ifdef CONFIG_PROC_FS |