diff options
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
-rw-r--r-- | drivers/mtd/nand/nand_base.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index d474378ed810..f49aecd3f1de 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -4177,6 +4177,7 @@ static const char * const nand_ecc_modes[] = { [NAND_ECC_HW] = "hw", [NAND_ECC_HW_SYNDROME] = "hw_syndrome", [NAND_ECC_HW_OOB_FIRST] = "hw_oob_first", + [NAND_ECC_ON_DIE] = "on-die", }; static int of_get_nand_ecc_mode(struct device_node *np) @@ -4717,6 +4718,18 @@ int nand_scan_tail(struct mtd_info *mtd) } break; + case NAND_ECC_ON_DIE: + if (!ecc->read_page || !ecc->write_page) { + WARN(1, "No ECC functions supplied; on-die ECC not possible\n"); + ret = -EINVAL; + goto err_free; + } + if (!ecc->read_oob) + ecc->read_oob = nand_read_oob_std; + if (!ecc->write_oob) + ecc->write_oob = nand_write_oob_std; + break; + case NAND_ECC_NONE: pr_warn("NAND_ECC_NONE selected by board driver. This is not recommended!\n"); ecc->read_page = nand_read_page_raw; |