diff options
Diffstat (limited to 'drivers/mtd/devices/docg3.c')
-rw-r--r-- | drivers/mtd/devices/docg3.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index 0806f72102c0..a85af236b44d 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -904,9 +904,6 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t from, if (ooblen % DOC_LAYOUT_OOB_SIZE) return -EINVAL; - if (from + len > mtd->size) - return -EINVAL; - ops->oobretlen = 0; ops->retlen = 0; ret = 0; @@ -990,36 +987,6 @@ err_in_read: goto out; } -/** - * doc_read - Read bytes from flash - * @mtd: the device - * @from: the offset from first block and first page, in bytes, aligned on page - * size - * @len: the number of bytes to read (must be a multiple of 4) - * @retlen: the number of bytes actually read - * @buf: the filled in buffer - * - * Reads flash memory pages. This function does not read the OOB chunk, but only - * the page data. - * - * Returns 0 if read successful, of -EIO, -EINVAL if an error occurred - */ -static int doc_read(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf) -{ - struct mtd_oob_ops ops; - size_t ret; - - memset(&ops, 0, sizeof(ops)); - ops.datbuf = buf; - ops.len = len; - ops.mode = MTD_OPS_AUTO_OOB; - - ret = doc_read_oob(mtd, from, &ops); - *retlen = ops.retlen; - return ret; -} - static int doc_reload_bbt(struct docg3 *docg3) { int block = DOC_LAYOUT_BLOCK_BBT; @@ -1471,8 +1438,6 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, if (len && ooblen && (len / DOC_LAYOUT_PAGE_SIZE) != (ooblen / oobdelta)) return -EINVAL; - if (ofs + len > mtd->size) - return -EINVAL; ops->oobretlen = 0; ops->retlen = 0; @@ -1513,39 +1478,6 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, return ret; } -/** - * doc_write - Write a buffer to the chip - * @mtd: the device - * @to: the offset from first block and first page, in bytes, aligned on page - * size - * @len: the number of bytes to write (must be a full page size, ie. 512) - * @retlen: the number of bytes actually written (0 or 512) - * @buf: the buffer to get bytes from - * - * Writes data to the chip. - * - * Returns 0 if write successful, -EIO if write error - */ -static int doc_write(struct mtd_info *mtd, loff_t to, size_t len, - size_t *retlen, const u_char *buf) -{ - struct docg3 *docg3 = mtd->priv; - int ret; - struct mtd_oob_ops ops; - - doc_dbg("doc_write(to=%lld, len=%zu)\n", to, len); - ops.datbuf = (char *)buf; - ops.len = len; - ops.mode = MTD_OPS_PLACE_OOB; - ops.oobbuf = NULL; - ops.ooblen = 0; - ops.ooboffs = 0; - - ret = doc_write_oob(mtd, to, &ops); - *retlen = ops.retlen; - return ret; -} - static struct docg3 *sysfs_dev2docg3(struct device *dev, struct device_attribute *attr) { @@ -1866,8 +1798,6 @@ static int __init doc_set_driver_info(int chip_id, struct mtd_info *mtd) mtd->writebufsize = mtd->writesize = DOC_LAYOUT_PAGE_SIZE; mtd->oobsize = DOC_LAYOUT_OOB_SIZE; mtd->_erase = doc_erase; - mtd->_read = doc_read; - mtd->_write = doc_write; mtd->_read_oob = doc_read_oob; mtd->_write_oob = doc_write_oob; mtd->_block_isbad = doc_block_isbad; |