X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fmtd%2Fmtdcore.c;h=16a952dd486a90277580d0eb30493a7bb5fda458;hb=f92905deb9bc89834dac247ca1a0d905ebcf629b;hp=9905870f56e5e0c6ced0dcb53c5f0d6f8128ee47;hpb=f1f76afd71e0f17af9a35fcb649f4bab53304a4d;p=powerpc.git

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 9905870f56..16a952dd48 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