diff options
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 151f535c58..2da1d4621c 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -931,7 +931,7 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa for (i = 0; i < eccbytes; i++, eccidx++) oob_buf[oob_config[eccidx]] = ecc_code[i]; /* If the hardware ecc provides syndromes then - * the ecc code must be written immidiately after + * the ecc code must be written immediately after * the data bytes (words) */ if (this->options & NAND_HWECC_SYNDROME) this->write_buf(mtd, ecc_code, eccbytes); @@ -1299,7 +1299,7 @@ static int nand_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, for (i = 0, j = 0; j < mtd->oobavail; i++) { int from = oobsel->oobfree[i][0]; int num = oobsel->oobfree[i][1]; - memcpy(&oob_buf[oob], &oob_data[from], num); + memcpy(&oob_buf[oob+j], &oob_data[from], num); j+= num; } oob += mtd->oobavail; @@ -1644,8 +1644,10 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, this->select_chip(mtd, chipnr); /* Check, if it is write protected */ - if (nand_check_wp(mtd)) + if (nand_check_wp(mtd)) { + printk (KERN_NOTICE "nand_write_ecc: Device is write protected\n"); goto out; + } /* if oobsel is NULL, use chip defaults */ if (oobsel == NULL) @@ -2486,12 +2488,9 @@ int nand_scan (struct mtd_info *mtd, int maxchips) /* The number of bytes available for the filesystem to place fs dependend * oob data */ - if (this->options & NAND_BUSWIDTH_16) { - mtd->oobavail = mtd->oobsize - (this->autooob->eccbytes + 2); - if (this->autooob->eccbytes & 0x01) - mtd->oobavail--; - } else - mtd->oobavail = mtd->oobsize - (this->autooob->eccbytes + 1); + mtd->oobavail = 0; + for (i=0; this->autooob->oobfree[i][1]; i++) + mtd->oobavail += this->autooob->oobfree[i][1]; /* * check ECC mode, default to software |