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| author | Brian Norris <computersforpeace@gmail.com> | 2012-05-02 10:15:02 -0700 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-05-13 23:21:52 -0500 |
| commit | 7725cc85932bd02dd12c23108e0ef748c551ccba (patch) | |
| tree | bfa46669f69bb9c0f198ab65a8470de4d96decb5 /drivers/mtd/nand | |
| parent | a6976cdfe69756436ed8c22b7a03e47a7efe36fb (diff) | |
| download | linux-stable-7725cc85932bd02dd12c23108e0ef748c551ccba.tar.gz linux-stable-7725cc85932bd02dd12c23108e0ef748c551ccba.tar.bz2 linux-stable-7725cc85932bd02dd12c23108e0ef748c551ccba.zip | |
mtd: gpmi-nand: utilize oob_requested parameter
Don't read OOB if the caller didn't request it.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index d85a2c1fad54..7e8a035d444a 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -908,22 +908,25 @@ static int gpmi_ecc_read_page(struct mtd_info *mtd, struct nand_chip *chip, mtd->ecc_stats.corrected += corrected; } - /* - * It's time to deliver the OOB bytes. See gpmi_ecc_read_oob() for - * details about our policy for delivering the OOB. - * - * We fill the caller's buffer with set bits, and then copy the block - * mark to th caller's buffer. Note that, if block mark swapping was - * necessary, it has already been done, so we can rely on the first - * byte of the auxiliary buffer to contain the block mark. - */ - memset(chip->oob_poi, ~0, mtd->oobsize); - chip->oob_poi[0] = ((uint8_t *) auxiliary_virt)[0]; + if (oob_required) { + /* + * It's time to deliver the OOB bytes. See gpmi_ecc_read_oob() + * for details about our policy for delivering the OOB. + * + * We fill the caller's buffer with set bits, and then copy the + * block mark to th caller's buffer. Note that, if block mark + * swapping was necessary, it has already been done, so we can + * rely on the first byte of the auxiliary buffer to contain + * the block mark. + */ + memset(chip->oob_poi, ~0, mtd->oobsize); + chip->oob_poi[0] = ((uint8_t *) auxiliary_virt)[0]; - read_page_swap_end(this, buf, mtd->writesize, - this->payload_virt, this->payload_phys, - nfc_geo->payload_size, - payload_virt, payload_phys); + read_page_swap_end(this, buf, mtd->writesize, + this->payload_virt, this->payload_phys, + nfc_geo->payload_size, + payload_virt, payload_phys); + } exit_nfc: return ret; } |