diff options
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
-rw-r--r-- | drivers/mtd/nand/nand_base.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 6db6566..c0e381a 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -361,51 +361,6 @@ void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) ioread8_rep(chip->IO_ADDR_R, buf, len); } -#ifdef __UBOOT__ -#if defined(CONFIG_MTD_NAND_VERIFY_WRITE) -/** - * nand_verify_buf - [DEFAULT] Verify chip data against buffer - * @mtd: MTD device structure - * @buf: buffer containing the data to compare - * @len: number of bytes to compare - * - * Default verify function for 8bit buswidth. - */ -static int nand_verify_buf(struct mtd_info *mtd, const uint8_t *buf, int len) -{ - int i; - struct nand_chip *chip = mtd->priv; - - for (i = 0; i < len; i++) - if (buf[i] != readb(chip->IO_ADDR_R)) - return -EFAULT; - return 0; -} - -/** - * nand_verify_buf16 - [DEFAULT] Verify chip data against buffer - * @mtd: MTD device structure - * @buf: buffer containing the data to compare - * @len: number of bytes to compare - * - * Default verify function for 16bit buswidth. - */ -static int nand_verify_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) -{ - int i; - struct nand_chip *chip = mtd->priv; - u16 *p = (u16 *) buf; - len >>= 1; - - for (i = 0; i < len; i++) - if (p[i] != readw(chip->IO_ADDR_R)) - return -EFAULT; - - return 0; -} -#endif -#endif - /** * nand_write_buf16 - [DEFAULT] write buffer to chip * @mtd: MTD device structure @@ -2435,20 +2390,6 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip, status = chip->waitfunc(mtd, chip); } - -#ifdef __UBOOT__ -#if defined(CONFIG_MTD_NAND_VERIFY_WRITE) - /* Send command to read back the data */ - chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page); - - if (chip->verify_buf(mtd, buf, mtd->writesize)) - return -EIO; - - /* Make sure the next page prog is preceded by a status read */ - chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1); -#endif -#endif - return 0; } @@ -3139,12 +3080,6 @@ static void nand_set_defaults(struct nand_chip *chip, int busw) chip->read_buf = busw ? nand_read_buf16 : nand_read_buf; if (!chip->scan_bbt) chip->scan_bbt = nand_default_bbt; -#ifdef __UBOOT__ -#if defined(CONFIG_MTD_NAND_VERIFY_WRITE) - if (!chip->verify_buf) - chip->verify_buf = busw ? nand_verify_buf16 : nand_verify_buf; -#endif -#endif if (!chip->controller) { chip->controller = &chip->hwcontrol; |