diff options
Diffstat (limited to 'drivers/mtd/nand/fsl_ifc_nand.c')
-rw-r--r-- | drivers/mtd/nand/fsl_ifc_nand.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 1f71b545062..e92d223e5e1 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c | |||
@@ -627,46 +627,6 @@ static void fsl_ifc_read_buf(struct mtd_info *mtd, u8 *buf, int len) | |||
627 | } | 627 | } |
628 | 628 | ||
629 | /* | 629 | /* |
630 | * Verify buffer against the IFC Controller Data Buffer | ||
631 | */ | ||
632 | static int fsl_ifc_verify_buf(struct mtd_info *mtd, | ||
633 | const u_char *buf, int len) | ||
634 | { | ||
635 | struct nand_chip *chip = mtd->priv; | ||
636 | struct fsl_ifc_mtd *priv = chip->priv; | ||
637 | struct fsl_ifc_ctrl *ctrl = priv->ctrl; | ||
638 | struct fsl_ifc_nand_ctrl *nctrl = ifc_nand_ctrl; | ||
639 | int i; | ||
640 | |||
641 | if (len < 0) { | ||
642 | dev_err(priv->dev, "%s: write_buf of %d bytes", __func__, len); | ||
643 | return -EINVAL; | ||
644 | } | ||
645 | |||
646 | if ((unsigned int)len > nctrl->read_bytes - nctrl->index) { | ||
647 | dev_err(priv->dev, | ||
648 | "%s: beyond end of buffer (%d requested, %u available)\n", | ||
649 | __func__, len, nctrl->read_bytes - nctrl->index); | ||
650 | |||
651 | nctrl->index = nctrl->read_bytes; | ||
652 | return -EINVAL; | ||
653 | } | ||
654 | |||
655 | for (i = 0; i < len; i++) | ||
656 | if (in_8(&nctrl->addr[nctrl->index + i]) != buf[i]) | ||
657 | break; | ||
658 | |||
659 | nctrl->index += len; | ||
660 | |||
661 | if (i != len) | ||
662 | return -EIO; | ||
663 | if (ctrl->nand_stat != IFC_NAND_EVTER_STAT_OPC) | ||
664 | return -EIO; | ||
665 | |||
666 | return 0; | ||
667 | } | ||
668 | |||
669 | /* | ||
670 | * This function is called after Program and Erase Operations to | 630 | * This function is called after Program and Erase Operations to |
671 | * check for success or failure. | 631 | * check for success or failure. |
672 | */ | 632 | */ |
@@ -796,7 +756,6 @@ static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv) | |||
796 | 756 | ||
797 | chip->write_buf = fsl_ifc_write_buf; | 757 | chip->write_buf = fsl_ifc_write_buf; |
798 | chip->read_buf = fsl_ifc_read_buf; | 758 | chip->read_buf = fsl_ifc_read_buf; |
799 | chip->verify_buf = fsl_ifc_verify_buf; | ||
800 | chip->select_chip = fsl_ifc_select_chip; | 759 | chip->select_chip = fsl_ifc_select_chip; |
801 | chip->cmdfunc = fsl_ifc_cmdfunc; | 760 | chip->cmdfunc = fsl_ifc_cmdfunc; |
802 | chip->waitfunc = fsl_ifc_wait; | 761 | chip->waitfunc = fsl_ifc_wait; |