summaryrefslogtreecommitdiff
path: root/drivers/mtd/mtdconcat.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/mtdconcat.c')
-rw-r--r--drivers/mtd/mtdconcat.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index a6fcee2713b0..6d52137988fa 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -143,116 +143,6 @@ concat_write(struct mtd_info *mtd, loff_t to, size_t len,
}
static int
-concat_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
- size_t * retlen, u_char * buf, u_char * eccbuf,
- struct nand_oobinfo *oobsel)
-{
- struct mtd_concat *concat = CONCAT(mtd);
- int err = -EINVAL;
- int i;
-
- *retlen = 0;
-
- for (i = 0; i < concat->num_subdev; i++) {
- struct mtd_info *subdev = concat->subdev[i];
- size_t size, retsize;
-
- if (from >= subdev->size) {
- /* Not destined for this subdev */
- size = 0;
- from -= subdev->size;
- continue;
- }
-
- if (from + len > subdev->size)
- /* First part goes into this subdev */
- size = subdev->size - from;
- else
- /* Entire transaction goes into this subdev */
- size = len;
-
- if (subdev->read_ecc)
- err = subdev->read_ecc(subdev, from, size,
- &retsize, buf, eccbuf, oobsel);
- else
- err = -EINVAL;
-
- if (err)
- break;
-
- *retlen += retsize;
- len -= size;
- if (len == 0)
- break;
-
- err = -EINVAL;
- buf += size;
- if (eccbuf) {
- eccbuf += subdev->oobsize;
- /* in nand.c at least, eccbufs are
- tagged with 2 (int)eccstatus'; we
- must account for these */
- eccbuf += 2 * (sizeof (int));
- }
- from = 0;
- }
- return err;
-}
-
-static int
-concat_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
- size_t * retlen, const u_char * buf, u_char * eccbuf,
- struct nand_oobinfo *oobsel)
-{
- struct mtd_concat *concat = CONCAT(mtd);
- int err = -EINVAL;
- int i;
-
- if (!(mtd->flags & MTD_WRITEABLE))
- return -EROFS;
-
- *retlen = 0;
-
- for (i = 0; i < concat->num_subdev; i++) {
- struct mtd_info *subdev = concat->subdev[i];
- size_t size, retsize;
-
- if (to >= subdev->size) {
- size = 0;
- to -= subdev->size;
- continue;
- }
- if (to + len > subdev->size)
- size = subdev->size - to;
- else
- size = len;
-
- if (!(subdev->flags & MTD_WRITEABLE))
- err = -EROFS;
- else if (subdev->write_ecc)
- err = subdev->write_ecc(subdev, to, size,
- &retsize, buf, eccbuf, oobsel);
- else
- err = -EINVAL;
-
- if (err)
- break;
-
- *retlen += retsize;
- len -= size;
- if (len == 0)
- break;
-
- err = -EINVAL;
- buf += size;
- if (eccbuf)
- eccbuf += subdev->oobsize;
- to = 0;
- }
- return err;
-}
-
-static int
concat_writev(struct mtd_info *mtd, const struct kvec *vecs,
unsigned long count, loff_t to, size_t * retlen)
{
@@ -823,10 +713,6 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c
concat->mtd.oobsize = subdev[0]->oobsize;
concat->mtd.ecctype = subdev[0]->ecctype;
concat->mtd.eccsize = subdev[0]->eccsize;
- if (subdev[0]->read_ecc)
- concat->mtd.read_ecc = concat_read_ecc;
- if (subdev[0]->write_ecc)
- concat->mtd.write_ecc = concat_write_ecc;
if (subdev[0]->writev)
concat->mtd.writev = concat_writev;
if (subdev[0]->read_oob)
@@ -869,8 +755,6 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c
concat->mtd.oobsize != subdev[i]->oobsize ||
concat->mtd.ecctype != subdev[i]->ecctype ||
concat->mtd.eccsize != subdev[i]->eccsize ||
- !concat->mtd.read_ecc != !subdev[i]->read_ecc ||
- !concat->mtd.write_ecc != !subdev[i]->write_ecc ||
!concat->mtd.read_oob != !subdev[i]->read_oob ||
!concat->mtd.write_oob != !subdev[i]->write_oob) {
kfree(concat);