[MTD] Remove read/write _ecc variants

MTD clients are agnostic of FLASH which needs ECC suppport.
Remove the functions and fixup the callers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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);