Commit 2528e8cd authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

[MTD] Remove readv/readv_ecc 



These functions were never implemented and added only bloat to
partition and concat code.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 9d8522df

drivers/mtd/mtdpart.c

+0 −29
Original line number Diff line number Diff line
@@ -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

+0 −1
Original line number Diff line number Diff line
@@ -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

+0 −2
Original line number Diff line number Diff line
@@ -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

+1 −5
Original line number Diff line number Diff line
@@ -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 */