}
/**
- * nand_read_page_swecc - {REPLACABLE] software ecc based page read function
+ * nand_read_page_swecc - [REPLACABLE] software ecc based page read function
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: buffer to store read data
}
/**
- * nand_read_page_hwecc - {REPLACABLE] hardware ecc based page read function
+ * nand_read_page_hwecc - [REPLACABLE] hardware ecc based page read function
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: buffer to store read data
}
/**
- * nand_read_page_syndrome - {REPLACABLE] hardware ecc syndrom based page read
+ * nand_read_page_syndrome - [REPLACABLE] hardware ecc syndrom based page read
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: buffer to store read data
page = realpage & chip->pagemask;
col = (int)(from & (mtd->writesize - 1));
- chip->oob_poi = chip->buffers->oobrbuf;
buf = ops->datbuf;
oob = ops->oobbuf;
realpage = (int)(from >> chip->page_shift);
page = realpage & chip->pagemask;
- chip->oob_poi = chip->buffers->oobrbuf;
-
while(1) {
sndcmd = chip->ecc.read_oob(mtd, chip, page, sndcmd);
buf = nand_transfer_oob(chip, buf, ops);
}
/**
- * nand_write_page_swecc - {REPLACABLE] software ecc based page write function
+ * nand_write_page_swecc - [REPLACABLE] software ecc based page write function
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: data buffer
}
/**
- * nand_write_page_hwecc - {REPLACABLE] hardware ecc based page write function
+ * nand_write_page_hwecc - [REPLACABLE] hardware ecc based page write function
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: data buffer
}
/**
- * nand_write_page_syndrome - {REPLACABLE] hardware ecc syndrom based page write
+ * nand_write_page_syndrome - [REPLACABLE] hardware ecc syndrom based page write
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: data buffer
(chip->pagebuf << chip->page_shift) < (to + ops->len))
chip->pagebuf = -1;
- chip->oob_poi = chip->buffers->oobwbuf;
+ /* If we're not given explicit OOB data, let it be 0xFF */
+ if (likely(!oob))
+ memset(chip->oob_poi, 0xff, mtd->oobsize);
while(1) {
int cached = writelen > bytes && page != blockmask;
}
}
- if (unlikely(oob))
- memset(chip->oob_poi, 0xff, mtd->oobsize);
-
ops->retlen = ops->len - writelen;
return ret;
}
if (page == chip->pagebuf)
chip->pagebuf = -1;
- chip->oob_poi = chip->buffers->oobwbuf;
memset(chip->oob_poi, 0xff, mtd->oobsize);
nand_fill_oob(chip, ops->oobbuf, ops);
status = chip->ecc.write_oob(mtd, chip, page & chip->pagemask);
if (!chip->buffers)
return -ENOMEM;
- /* Preset the internal oob write buffer */
- memset(chip->buffers->oobwbuf, 0xff, mtd->oobsize);
+ /* Set the internal oob buffer location, just after the page data */
+ chip->oob_poi = chip->buffers->databuf + mtd->writesize;
/*
* If no default placement scheme is given, select an appropriate one