From 2528e8cdf376d7da24647c442ec1e88c360d76ca Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 23 May 2006 16:10:00 +0200 Subject: [PATCH] [MTD] Remove readv/readv_ecc These functions were never implemented and added only bloat to partition and concat code. Signed-off-by: Thomas Gleixner --- drivers/mtd/mtdpart.c | 29 ----------------------------- drivers/mtd/nand/nand_base.c | 1 - drivers/mtd/onenand/onenand_base.c | 2 -- include/linux/mtd/mtd.h | 6 +----- 4 files changed, 1 insertion(+), 37 deletions(-) diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index ae675608fa9..f418920320d 100644 --- a/drivers/mtd/mtdpart.c +++ b/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) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 9aaeb3aa9d4..da2f4d16e50 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/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; diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 8e875fa140a..3a3fe1d8fcd 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/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; diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index dba25da84ae..af89e529b8d 100644 --- a/include/linux/mtd/mtd.h +++ b/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 */ -- 2.41.1