diff options
Diffstat (limited to 'drivers/mtd/devices/doc2001.c')
| -rw-r--r-- | drivers/mtd/devices/doc2001.c | 60 |
1 files changed, 28 insertions, 32 deletions
diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c index 681a9c73a2a3..0cf022a69e65 100644 --- a/drivers/mtd/devices/doc2001.c +++ b/drivers/mtd/devices/doc2001.c @@ -43,10 +43,10 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel); -static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, - size_t *retlen, u_char *buf); -static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len, - size_t *retlen, const u_char *buf); +static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, + struct mtd_oob_ops *ops); +static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, + struct mtd_oob_ops *ops); static int doc_erase (struct mtd_info *mtd, struct erase_info *instr); static struct mtd_info *docmillist = NULL; @@ -324,16 +324,9 @@ static int DoCMil_is_alias(struct DiskOnChip *doc1, struct DiskOnChip *doc2) return retval; } -static const char im_name[] = "DoCMil_init"; - -/* This routine is made available to other mtd code via - * inter_module_register. It must only be accessed through - * inter_module_get which will bump the use count of this module. The - * addresses passed back in mtd are valid as long as the use count of - * this module is non-zero, i.e. between inter_module_get and - * inter_module_put. Keith Owens <kaos@ocs.com.au> 29 Oct 2000. - */ -static void DoCMil_init(struct mtd_info *mtd) +/* This routine is found from the docprobe code by symbol_get(), + * which will bump the use count of this module. */ +void DoCMil_init(struct mtd_info *mtd) { struct DiskOnChip *this = mtd->priv; struct DiskOnChip *old = NULL; @@ -368,7 +361,7 @@ static void DoCMil_init(struct mtd_info *mtd) /* FIXME: erase size is not always 8KiB */ mtd->erasesize = 0x2000; - mtd->oobblock = 512; + mtd->writesize = 512; mtd->oobsize = 16; mtd->owner = THIS_MODULE; mtd->erase = doc_erase; @@ -376,8 +369,6 @@ static void DoCMil_init(struct mtd_info *mtd) mtd->unpoint = NULL; mtd->read = doc_read; mtd->write = doc_write; - mtd->read_ecc = doc_read_ecc; - mtd->write_ecc = doc_write_ecc; mtd->read_oob = doc_read_oob; mtd->write_oob = doc_write_oob; mtd->sync = NULL; @@ -401,6 +392,7 @@ static void DoCMil_init(struct mtd_info *mtd) return; } } +EXPORT_SYMBOL_GPL(DoCMil_init); static int doc_read (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) @@ -670,8 +662,8 @@ static int doc_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, return ret; } -static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, - size_t *retlen, u_char *buf) +static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, + struct mtd_oob_ops *ops) { #ifndef USE_MEMCPY int i; @@ -680,6 +672,12 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, struct DiskOnChip *this = mtd->priv; void __iomem *docptr = this->virtadr; struct Nand *mychip = &this->chips[ofs >> this->chipshift]; + uint8_t *buf = ops->oobbuf; + size_t len = ops->len; + + BUG_ON(ops->mode != MTD_OOB_PLACE); + + ofs += ops->ooboffs; /* Find the chip which is to be used and select it */ if (this->curfloor != mychip->floor) { @@ -716,13 +714,13 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, #endif buf[len - 1] = ReadDOC(docptr, LastDataRead); - *retlen = len; + ops->retlen = len; return 0; } -static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len, - size_t *retlen, const u_char *buf) +static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, + struct mtd_oob_ops *ops) { #ifndef USE_MEMCPY int i; @@ -732,6 +730,12 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len, struct DiskOnChip *this = mtd->priv; void __iomem *docptr = this->virtadr; struct Nand *mychip = &this->chips[ofs >> this->chipshift]; + uint8_t *buf = ops->oobbuf; + size_t len = ops->len; + + BUG_ON(ops->mode != MTD_OOB_PLACE); + + ofs += ops->ooboffs; /* Find the chip which is to be used and select it */ if (this->curfloor != mychip->floor) { @@ -783,12 +787,12 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len, if (ReadDOC(docptr, Mil_CDSN_IO) & 1) { printk("Error programming oob data\n"); /* FIXME: implement Bad Block Replacement (in nftl.c ??) */ - *retlen = 0; + ops->retlen = 0; ret = -EIO; } dummy = ReadDOC(docptr, LastDataRead); - *retlen = len; + ops->retlen = len; return ret; } @@ -856,12 +860,6 @@ int doc_erase (struct mtd_info *mtd, struct erase_info *instr) * ****************************************************************************/ -static int __init init_doc2001(void) -{ - inter_module_register(im_name, THIS_MODULE, &DoCMil_init); - return 0; -} - static void __exit cleanup_doc2001(void) { struct mtd_info *mtd; @@ -877,11 +875,9 @@ static void __exit cleanup_doc2001(void) kfree(this->chips); kfree(mtd); } - inter_module_unregister(im_name); } module_exit(cleanup_doc2001); -module_init(init_doc2001); MODULE_LICENSE("GPL"); MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org> et al."); |