[MTD] Remove readv/readv_ecc

These functions were never implemented and added only bloat to
partition and concat code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

drivers/mtd/mtdpart.c

@@ -212,31 +212,6 @@ static int part_writev (struct mtd_info *mtd,  const struct kvec *vecs,
 					to + part->offset, retlen);
 }
 
-static int part_readv (struct mtd_info *mtd,  struct kvec *vecs,
-			 unsigned long count, loff_t from, size_t *retlen)
-{
-	struct mtd_part *part = PART(mtd);
-	if (part->master->readv_ecc == NULL)
-		return part->master->readv (part->master, vecs, count,
-					from + part->offset, retlen);
-	else
-		return part->master->readv_ecc (part->master, vecs, count,
-					from + part->offset, retlen,
-					NULL, &mtd->oobinfo);
-}
-
-static int part_readv_ecc (struct mtd_info *mtd,  struct kvec *vecs,
-			 unsigned long count, loff_t from, size_t *retlen,
-			 u_char *eccbuf,  struct nand_oobinfo *oobsel)
-{
-	struct mtd_part *part = PART(mtd);
-	if (oobsel == NULL)
-		oobsel = &mtd->oobinfo;
-	return part->master->readv_ecc (part->master, vecs, count,
-					from + part->offset, retlen,
-					eccbuf, oobsel);
-}
-
 static int part_erase (struct mtd_info *mtd, struct erase_info *instr)
 {
 	struct mtd_part *part = PART(mtd);
@@ -425,10 +400,6 @@ int add_mtd_partitions(struct mtd_info *master,
 		}
 		if (master->writev)
 			slave->mtd.writev = part_writev;
-		if (master->readv)
-			slave->mtd.readv = part_readv;
-		if (master->readv_ecc)
-			slave->mtd.readv_ecc = part_readv_ecc;
 		if (master->lock)
 			slave->mtd.lock = part_lock;
 		if (master->unlock)

drivers/mtd/nand/nand_base.c

@@ -2531,7 +2531,6 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
 	mtd->write_ecc = nand_write_ecc;
 	mtd->read_oob = nand_read_oob;
 	mtd->write_oob = nand_write_oob;
-	mtd->readv = NULL;
 	mtd->sync = nand_sync;
 	mtd->lock = NULL;
 	mtd->unlock = NULL;

drivers/mtd/onenand/onenand_base.c

@@ -1824,8 +1824,6 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
 	mtd->write_user_prot_reg = onenand_write_user_prot_reg;
 	mtd->lock_user_prot_reg = onenand_lock_user_prot_reg;
 #endif
-	mtd->readv = NULL;
-	mtd->readv_ecc = NULL;
 	mtd->sync = onenand_sync;
 	mtd->lock = NULL;
 	mtd->unlock = onenand_unlock;

include/linux/mtd/mtd.h

@@ -133,14 +133,10 @@ struct mtd_info {
 	int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
 	int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len);
 
-	/* kvec-based read/write methods. We need these especially for NAND flash,
-	   with its limited number of write cycles per erase.
+	/* kvec-based read/write methods.
 	   NB: The 'count' parameter is the number of _vectors_, each of
 	   which contains an (ofs, len) tuple.
 	*/
-	int (*readv) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from, size_t *retlen);
-	int (*readv_ecc) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from,
-		size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel);
 	int (*writev) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen);
 
 	/* Sync */