[MTD] Remove the only useless readv implementation

Removing readv from struct mtd_info broke block2mtd. Remove the
reference and the useless default implementation.

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

2 files changed, 0 insertions, 33 deletions

diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 8ca04f4e03f0..0d98c223c5fc 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -331,7 +331,6 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
         dev->mtd.writev = default_mtd_writev;
         dev->mtd.sync = block2mtd_sync;
         dev->mtd.read = block2mtd_read;
-        dev->mtd.readv = default_mtd_readv;
         dev->mtd.priv = dev;
         dev->mtd.owner = THIS_MODULE;
 
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 9905870f56e5..49bc9fdcb88b 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -254,37 +254,6 @@ 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 +261,6 @@ 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