diff options
Diffstat (limited to 'drivers/mtd/nand/fsl_elbc_nand.c')
-rw-r--r-- | drivers/mtd/nand/fsl_elbc_nand.c | 51 |
1 files changed, 8 insertions, 43 deletions
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index 78429380611..cc1480a5e4c 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -614,41 +614,6 @@ static void fsl_elbc_read_buf(struct mtd_info *mtd, u8 *buf, int len) len, avail); } -/* - * Verify buffer against the FCM Controller Data Buffer - */ -static int fsl_elbc_verify_buf(struct mtd_info *mtd, const u_char *buf, int len) -{ - struct nand_chip *chip = mtd->priv; - struct fsl_elbc_mtd *priv = chip->priv; - struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand; - int i; - - if (len < 0) { - dev_err(priv->dev, "write_buf of %d bytes", len); - return -EINVAL; - } - - if ((unsigned int)len > - elbc_fcm_ctrl->read_bytes - elbc_fcm_ctrl->index) { - dev_err(priv->dev, - "verify_buf beyond end of buffer " - "(%d requested, %u available)\n", - len, elbc_fcm_ctrl->read_bytes - elbc_fcm_ctrl->index); - - elbc_fcm_ctrl->index = elbc_fcm_ctrl->read_bytes; - return -EINVAL; - } - - for (i = 0; i < len; i++) - if (in_8(&elbc_fcm_ctrl->addr[elbc_fcm_ctrl->index + i]) - != buf[i]) - break; - - elbc_fcm_ctrl->index += len; - return i == len && elbc_fcm_ctrl->status == LTESR_CC ? 0 : -EIO; -} - /* This function is called after Program and Erase Operations to * check for success or failure. */ @@ -766,11 +731,13 @@ static int fsl_elbc_read_page(struct mtd_info *mtd, struct nand_chip *chip, /* ECC will be calculated automatically, and errors will be detected in * waitfunc. */ -static void fsl_elbc_write_page(struct mtd_info *mtd, struct nand_chip *chip, +static int fsl_elbc_write_page(struct mtd_info *mtd, struct nand_chip *chip, const uint8_t *buf, int oob_required) { fsl_elbc_write_buf(mtd, buf, mtd->writesize); fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize); + + return 0; } static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) @@ -796,7 +763,6 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) chip->read_byte = fsl_elbc_read_byte; chip->write_buf = fsl_elbc_write_buf; chip->read_buf = fsl_elbc_read_buf; - chip->verify_buf = fsl_elbc_verify_buf; chip->select_chip = fsl_elbc_select_chip; chip->cmdfunc = fsl_elbc_cmdfunc; chip->waitfunc = fsl_elbc_wait; @@ -805,7 +771,6 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) chip->bbt_md = &bbt_mirror_descr; /* set up nand options */ - chip->options = NAND_NO_READRDY; chip->bbt_options = NAND_BBT_USE_FLASH; chip->controller = &elbc_fcm_ctrl->controller; @@ -916,7 +881,8 @@ static int __devinit fsl_elbc_nand_probe(struct platform_device *pdev) elbc_fcm_ctrl->chips[bank] = priv; priv->bank = bank; priv->ctrl = fsl_lbc_ctrl_dev; - priv->dev = dev; + priv->dev = &pdev->dev; + dev_set_drvdata(priv->dev, priv); priv->vbase = ioremap(res.start, resource_size(&res)); if (!priv->vbase) { @@ -963,11 +929,10 @@ err: static int fsl_elbc_nand_remove(struct platform_device *pdev) { - int i; struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = fsl_lbc_ctrl_dev->nand; - for (i = 0; i < MAX_BANKS; i++) - if (elbc_fcm_ctrl->chips[i]) - fsl_elbc_chip_remove(elbc_fcm_ctrl->chips[i]); + struct fsl_elbc_mtd *priv = dev_get_drvdata(&pdev->dev); + + fsl_elbc_chip_remove(priv); mutex_lock(&fsl_elbc_nand_mutex); elbc_fcm_ctrl->counter--; |