diff options
Diffstat (limited to 'drivers/mtd/mtdpart.c')
-rw-r--r-- | drivers/mtd/mtdpart.c | 92 |
1 files changed, 46 insertions, 46 deletions
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index e9168b5cd51..99395911d26 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -5,11 +5,11 @@ * * This code is GPL * - * $Id: mtdpart.c,v 1.54 2005/09/30 14:49:08 dedekind Exp $ + * $Id: mtdpart.c,v 1.55 2005/11/07 11:14:20 gleixner Exp $ * * 02-21-2002 Thomas Gleixner <gleixner@autronix.de> * added support for read_oob, write_oob - */ + */ #include <linux/module.h> #include <linux/types.h> @@ -41,13 +41,13 @@ struct mtd_part { */ #define PART(x) ((struct mtd_part *)(x)) - -/* + +/* * MTD methods which simply translate the effective address and pass through * to the _real_ device. */ -static int part_read (struct mtd_info *mtd, loff_t from, size_t len, +static int part_read (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { struct mtd_part *part = PART(mtd); @@ -55,15 +55,15 @@ static int part_read (struct mtd_info *mtd, loff_t from, size_t len, len = 0; else if (from + len > mtd->size) len = mtd->size - from; - if (part->master->read_ecc == NULL) - return part->master->read (part->master, from + part->offset, + if (part->master->read_ecc == NULL) + return part->master->read (part->master, from + part->offset, len, retlen, buf); else - return part->master->read_ecc (part->master, from + part->offset, + return part->master->read_ecc (part->master, from + part->offset, len, retlen, buf, NULL, &mtd->oobinfo); } -static int part_point (struct mtd_info *mtd, loff_t from, size_t len, +static int part_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **buf) { struct mtd_part *part = PART(mtd); @@ -71,7 +71,7 @@ static int part_point (struct mtd_info *mtd, loff_t from, size_t len, len = 0; else if (from + len > mtd->size) len = mtd->size - from; - return part->master->point (part->master, from + part->offset, + return part->master->point (part->master, from + part->offset, len, retlen, buf); } static void part_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_t len) @@ -82,7 +82,7 @@ static void part_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_ } -static int part_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, +static int part_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_part *part = PART(mtd); @@ -92,11 +92,11 @@ static int part_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, len = 0; else if (from + len > mtd->size) len = mtd->size - from; - return part->master->read_ecc (part->master, from + part->offset, + return part->master->read_ecc (part->master, from + part->offset, len, retlen, buf, eccbuf, oobsel); } -static int part_read_oob (struct mtd_info *mtd, loff_t from, size_t len, +static int part_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { struct mtd_part *part = PART(mtd); @@ -104,15 +104,15 @@ static int part_read_oob (struct mtd_info *mtd, loff_t from, size_t len, len = 0; else if (from + len > mtd->size) len = mtd->size - from; - return part->master->read_oob (part->master, from + part->offset, + return part->master->read_oob (part->master, from + part->offset, len, retlen, buf); } -static int part_read_user_prot_reg (struct mtd_info *mtd, loff_t from, size_t len, +static int part_read_user_prot_reg (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { struct mtd_part *part = PART(mtd); - return part->master->read_user_prot_reg (part->master, from, + return part->master->read_user_prot_reg (part->master, from, len, retlen, buf); } @@ -123,11 +123,11 @@ static int part_get_user_prot_info (struct mtd_info *mtd, return part->master->get_user_prot_info (part->master, buf, len); } -static int part_read_fact_prot_reg (struct mtd_info *mtd, loff_t from, size_t len, +static int part_read_fact_prot_reg (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { struct mtd_part *part = PART(mtd); - return part->master->read_fact_prot_reg (part->master, from, + return part->master->read_fact_prot_reg (part->master, from, len, retlen, buf); } @@ -148,13 +148,13 @@ static int part_write (struct mtd_info *mtd, loff_t to, size_t len, len = 0; else if (to + len > mtd->size) len = mtd->size - to; - if (part->master->write_ecc == NULL) - return part->master->write (part->master, to + part->offset, + if (part->master->write_ecc == NULL) + return part->master->write (part->master, to + part->offset, len, retlen, buf); else - return part->master->write_ecc (part->master, to + part->offset, + return part->master->write_ecc (part->master, to + part->offset, len, retlen, buf, NULL, &mtd->oobinfo); - + } static int part_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, @@ -170,7 +170,7 @@ static int part_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, len = 0; else if (to + len > mtd->size) len = mtd->size - to; - return part->master->write_ecc (part->master, to + part->offset, + return part->master->write_ecc (part->master, to + part->offset, len, retlen, buf, eccbuf, oobsel); } @@ -184,19 +184,19 @@ static int part_write_oob (struct mtd_info *mtd, loff_t to, size_t len, len = 0; else if (to + len > mtd->size) len = mtd->size - to; - return part->master->write_oob (part->master, to + part->offset, + return part->master->write_oob (part->master, to + part->offset, len, retlen, buf); } -static int part_write_user_prot_reg (struct mtd_info *mtd, loff_t from, size_t len, +static int part_write_user_prot_reg (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { struct mtd_part *part = PART(mtd); - return part->master->write_user_prot_reg (part->master, from, + return part->master->write_user_prot_reg (part->master, from, len, retlen, buf); } -static int part_lock_user_prot_reg (struct mtd_info *mtd, loff_t from, size_t len) +static int part_lock_user_prot_reg (struct mtd_info *mtd, loff_t from, size_t len) { struct mtd_part *part = PART(mtd); return part->master->lock_user_prot_reg (part->master, from, len); @@ -208,7 +208,7 @@ static int part_writev (struct mtd_info *mtd, const struct kvec *vecs, struct mtd_part *part = PART(mtd); if (!(mtd->flags & MTD_WRITEABLE)) return -EROFS; - if (part->master->writev_ecc == NULL) + if (part->master->writev_ecc == NULL) return part->master->writev (part->master, vecs, count, to + part->offset, retlen); else @@ -221,12 +221,12 @@ 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) + 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, + from + part->offset, retlen, NULL, &mtd->oobinfo); } @@ -252,7 +252,7 @@ static int part_readv_ecc (struct mtd_info *mtd, struct kvec *vecs, if (oobsel == NULL) oobsel = &mtd->oobinfo; return part->master->readv_ecc (part->master, vecs, count, - from + part->offset, retlen, + from + part->offset, retlen, eccbuf, oobsel); } @@ -286,7 +286,7 @@ EXPORT_SYMBOL_GPL(mtd_erase_callback); static int part_lock (struct mtd_info *mtd, loff_t ofs, size_t len) { struct mtd_part *part = PART(mtd); - if ((len + ofs) > mtd->size) + if ((len + ofs) > mtd->size) return -EINVAL; return part->master->lock(part->master, ofs + part->offset, len); } @@ -294,7 +294,7 @@ static int part_lock (struct mtd_info *mtd, loff_t ofs, size_t len) static int part_unlock (struct mtd_info *mtd, loff_t ofs, size_t len) { struct mtd_part *part = PART(mtd); - if ((len + ofs) > mtd->size) + if ((len + ofs) > mtd->size) return -EINVAL; return part->master->unlock(part->master, ofs + part->offset, len); } @@ -337,8 +337,8 @@ static int part_block_markbad (struct mtd_info *mtd, loff_t ofs) return part->master->block_markbad(part->master, ofs); } -/* - * This function unregisters and destroy all slave MTD objects which are +/* + * This function unregisters and destroy all slave MTD objects which are * attached to the given master MTD object. */ @@ -371,7 +371,7 @@ int del_mtd_partitions(struct mtd_info *master) * (Q: should we register the master MTD object as well?) */ -int add_mtd_partitions(struct mtd_info *master, +int add_mtd_partitions(struct mtd_info *master, const struct mtd_partition *parts, int nbparts) { @@ -414,7 +414,7 @@ int add_mtd_partitions(struct mtd_info *master, slave->mtd.point = part_point; slave->mtd.unpoint = part_unpoint; } - + if (master->read_ecc) slave->mtd.read_ecc = part_read_ecc; if (master->write_ecc) @@ -477,8 +477,8 @@ int add_mtd_partitions(struct mtd_info *master, if (slave->mtd.size == MTDPART_SIZ_FULL) slave->mtd.size = master->size - slave->offset; cur_offset = slave->offset + slave->mtd.size; - - printk (KERN_NOTICE "0x%08x-0x%08x : \"%s\"\n", slave->offset, + + printk (KERN_NOTICE "0x%08x-0x%08x : \"%s\"\n", slave->offset, slave->offset + slave->mtd.size, slave->mtd.name); /* let's do some sanity checks */ @@ -498,7 +498,7 @@ int add_mtd_partitions(struct mtd_info *master, /* Deal with variable erase size stuff */ int i; struct mtd_erase_region_info *regions = master->eraseregions; - + /* Find the first erase regions which is part of this partition. */ for (i=0; i < master->numeraseregions && slave->offset >= regions[i].offset; i++) ; @@ -513,7 +513,7 @@ int add_mtd_partitions(struct mtd_info *master, slave->mtd.erasesize = master->erasesize; } - if ((slave->mtd.flags & MTD_WRITEABLE) && + if ((slave->mtd.flags & MTD_WRITEABLE) && (slave->offset % slave->mtd.erasesize)) { /* Doesn't start on a boundary of major erase size */ /* FIXME: Let it be writable if it is on a boundary of _minor_ erase size though */ @@ -521,14 +521,14 @@ int add_mtd_partitions(struct mtd_info *master, printk ("mtd: partition \"%s\" doesn't start on an erase block boundary -- force read-only\n", parts[i].name); } - if ((slave->mtd.flags & MTD_WRITEABLE) && + if ((slave->mtd.flags & MTD_WRITEABLE) && (slave->mtd.size % slave->mtd.erasesize)) { slave->mtd.flags &= ~MTD_WRITEABLE; printk ("mtd: partition \"%s\" doesn't end on an erase block -- force read-only\n", parts[i].name); } - /* copy oobinfo from master */ + /* copy oobinfo from master */ memcpy(&slave->mtd.oobinfo, &master->oobinfo, sizeof(slave->mtd.oobinfo)); if(parts[i].mtdp) @@ -589,12 +589,12 @@ int deregister_mtd_parser(struct mtd_part_parser *p) return 0; } -int parse_mtd_partitions(struct mtd_info *master, const char **types, +int parse_mtd_partitions(struct mtd_info *master, const char **types, struct mtd_partition **pparts, unsigned long origin) { struct mtd_part_parser *parser; int ret = 0; - + for ( ; ret <= 0 && *types; types++) { parser = get_partition_parser(*types); #ifdef CONFIG_KMOD @@ -608,7 +608,7 @@ int parse_mtd_partitions(struct mtd_info *master, const char **types, } ret = (*parser->parse_fn)(master, pparts, origin); if (ret > 0) { - printk(KERN_NOTICE "%d %s partitions found on MTD device %s\n", + printk(KERN_NOTICE "%d %s partitions found on MTD device %s\n", ret, parser->name, master->name); } put_partition_parser(parser); |